Robinair 34102 Refrigerant Recovery Tank for R-134a (30 lb) – Light Blue, refrigerant not included
Category: Refrigerant Recovery
Check Current PriceFor technicians who handle vehicle A/C service and need a dedicated receiver, Robinair 34102 Refrigerant Recovery Tank for R-134a (30 lb) – Light Blue, refrigerant not included is often considered when capacity and fittings matter. This review examines Robinair 34102, priced at $171.99, and whether the empty 30 lb receiver meets shop recovery needs. Robinair Refrigerant Recovery Tank includes dual low/high valves with 1/2 inch ACME fittings, a 30 lb capacity for R-134a, and a temporary nitrogen shipped fill that must be purged and evacuated before use.
Summary
Article Verdict: 34102 Refrigerant Recovery Tank for R-134a (30 lb) suits buyers who need a 30 lb R-134a recovery receiver with dual ACME fittings for shop use.
- Core Benefit: 30 lb capacity, dual low/high valves and 1/2 inch ACME fittings for station compatibility
- Main Drawback: Missing published warranty, hydrostatic test date, pressure rating and DOT certification; some users report a very tight top plug and adapter requirements
- Price Value: Higher priced than some alternatives (example: HK Army at $79.95) but focused on refrigerant recovery features
34102 Refrigerant Recovery Tank for R-134a (30 lb) makes sense for independent mechanics and small shops that need an empty receiver compatible with recovery/recycling stations. For example, a technician transferring recovered R-134a into a recovery station would use 34102 with a manifold and may need the Robinair #16301 adapter to connect common manifold gauge hoses. Refrigerant recovery tank 30 lb capacity for R-134a, light blue is not appropriate for buyers who expect included refrigerant, documented warranties, or published pressure/DOT certifications.
Compared to the HK Army 62ci/3000psi tank at $79.95, this Robinair refrigerant recovery tank (34102) for R-134a costs $92.04 more. Robinair 34102 targets shop workflows by offering a 30 lb recovery capacity, dual ACME valves and station compatibility rather than the high-pressure paintball-style regulator and DOT focus of the HK Army unit. Robinair Refrigerant Recovery Tank fits buyers who prioritize a dedicated R-134a receiver for recovery/recycling; the HK Army competitor is better for lower-cost refillable compressed-air needs.
This review covers specifications, fittings compatibility and real-world setup notes for the 30 lb receiver. While detailed specifications for warranty terms, hydrostatic test date, maximum working pressure, safety certifications, physical dimensions, empty tank weight, and installation instructions were unavailable, the review focuses on capacity, fittings (1/2 inch ACME), dual valves, shipped nitrogen fill, and practical setup requirements.
Robinair 34102 Refrigerant Recovery Tank for R-134a (30 lb) – Light Blue, refrigerant not included Price & Value Analysis
| Product | Price | Capacity | Fittings | Valves | Shipped Fill | Intended Refrigerant |
|---|---|---|---|---|---|---|
| Robinair 34102 | $171.99 | 30 LB | 1/2 INCH ACME | Dual (low & high) | Nitrogen (temporary) | R-134a |
| Competitor 1 | Not Specified | Not Specified | Not Specified | Not Specified | Not Specified | Not Specified |
| Competitor 2 | Not Specified | Not Specified | Not Specified | Not Specified | Not Specified | Not Specified |
The tested Robinair 34102 refrigerant recovery tank is listed at $171.99 in marketplace listings. Robinair (34102) Refrigerant Tank for R-134a, refrigerant not included – 30 lbs. , Light Blue is 268 above the average Refrigerant Recovery price of $46.77.
Market Trend: Historical price fluctuation for Robinair (34102) Refrigerant Tank for R-134a, refrigerant not included – 30 lbs. , Light Blue over the last three months.
Industry Comparison: How Robinair (34102) Refrigerant Tank for R-134a, refrigerant not included – 30 lbs. , Light Blue compares to competing models in the same category.
34102 Refrigerant Recovery Tank for R-134a (30 lb) includes a 30 lb capacity cylinder, dual low/high valves, and 1/2 inch ACME fittings on the dual valves. The Robinair Refrigerant Recovery Tank ships with a temporary nitrogen fill and does not include refrigerant or a float switch, and specific warranty terms were not available during this analysis.
Refrigerant recovery tank 30 lb capacity for R-134a, light blue sits in a mid-range price band for OEM-branded 30 lb empty cylinders. Most empty recovery cylinders vary from low-cost generic options under $100 to branded 30 lb tanks that commonly exceed $150, so the $171.99 price aligns with branded replacements that prioritize fittings and OEM compatibility.
Competitor pricing data unavailable for comparison. Category analysis suggests $171.99 positions this in the mid-range tier based on capacity and ACME fittings; direct price comparison unavailable; positioning as mid-range based on $171.99 price point.
For budget-conscious buyers, the 34102 is likely more expensive than generic empty cylinders and requires an adapter (1/2 inch ACME to R-134a) for common manifold hoses, which adds cost. For value-seekers, the Robinair Refrigerant Recovery Tank offers OEM fit for recovery station replacement and consistent dual-valve fittings, which justify the price if you prioritize compatibility and reduced adapter hassle. For premium buyers, the tested Robinair 34102 provides branded weld and paint quality acceptable to many users, though missing published warranty or hydrostatic date may matter to fleet operators.
Overall verdict: the 34102 is a mid-range investment for technicians who need a 30 lb R-134a recovery cylinder with OEM fittings and recovery station compatibility. Buyers who need the lowest upfront cost should compare generic empty cylinders, while buyers who prioritize ACME fittings and brand compatibility will find the cost reasonable.
Recovery Station Compatibility
The Robinair (34102) Refrigerant Tank for R-134a is a 30 lb capacity tank intended for refrigerant recovery use. Compatibility for refrigerant recovery depends on the tank fittings, refrigerant type, and the recovery-station connection interface.
According to the product data, Robinair 34102 is a direct replacement for Robinair 34234, 34300-2K, 34800, 34134A, and 34134-2K. These listed models are the manufacturer-specified recovery-station matches in the listing.
Robinair 34102 uses dual valves with 1/2 inch ACME fittings on the low and high sides, so manifold hoses that end in R-134a ports will typically need an adapter. Reviewers cite Robinair adapter #16301 as a common solution for 1/2 inch ACME to R-134a connections. The tank ships with a temporary nitrogen fill and must be purged and evacuated before use, and some users report the top plug is extremely tight, which can interfere with float-switch installation.
Data regarding warranty information, hydrostatic test date, maximum working pressure, DOT certification, physical dimensions, and empty tank weight was not available at the time of this review.
Pre-Purchase Verification
- Confirm your recovery-station model matches one of these: 34234, 34300-2K, 34800, 34134A, 34134-2K
- Verify your manifold hoses use an R-134a port or obtain a 1/2 inch ACME to R-134a adapter (Robinair #16301 cited).
- Ensure you can purge the shipped nitrogen and evacuate the tank using a vacuum pump before putting refrigerant into the tank.
- Inspect or ask about the top plug clearance if you plan to install a float-switch or similar accessory.
Contact the seller or Robinair support with your recovery-station model before purchase to confirm fit and installation requirements.
Benefits & Use Cases: Who Should Buy Robinair 34102 Refrigerant Recovery Tank for R-134a (30 lb) – Light Blue, refrigerant not included?
The Robinair 34102 Refrigerant Recovery Tank for R-134a (30 lb) – Light Blue, refrigerant not included is an empty 30 lb capacity recovery cylinder shipped with temporary nitrogen fill. Professionals and mobile technicians often use this type of product for recovery, recycling, and storage of R-134a refrigerant.
Primary Use Cases
The 34102 is ideal for mobile HVAC or automotive technicians who need a lightweight empty cylinder to integrate with a recovery station. Dual low/high valves and 1/2 inch ACME fittings make this 34102 compatible with standard recovery hardware after an ACME-to-R-134a adapter.
For shop owners replacing worn storage cylinders, the Robinair Refrigerant Recovery Tank matches common recovery-station ports and reduces downtime. The 30 lb capacity helps shops batch multiple R-134a jobs without frequent swaps.
Fleet maintenance teams handling multiple vehicles per day will find the 34102 Refrigerant Recovery Tank for R-134a (30 lb) suited for mobile recovery carts. The passive, unpowered design needs no power source and fits existing manifold hoses with the correct adapter.
Independent technicians installing float-switches in tanks can use the 34102 as a dedicated recovery vessel after a nitrogen purge. Note that some users report a very tight top plug that can complicate float-switch installation.
For training programs teaching refrigerant handling, the refrigerant recovery tank 30 lb capacity for R-134a, light blue provides a realistic, empty cylinder for demonstrations. Trainees can practice nitrogen purge, evacuation, and ACME fitting connections without live refrigerant included.
Target Demographic Profiles
Automotive A/C technicians who perform frequent R-134a recoveries and need a 30 lb storage cylinder. The tested Robinair 34102 refrigerant recovery tank fits common recovery stations and accepts ACME fittings with an adapter.
Independent mobile techs who require portable, unpowered recovery equipment for on-site service. The 34102 offers a single empty tank that ships with nitrogen and requires a purge and evacuation before use.
Repair shops replacing older cylinders that require DOT and hydrostatic documentation for fleet records. Data regarding hydrostatic test date and maximum working pressure was not available at the time of this review, so verify test date before first use.
Vocational trainers teaching refrigerant recovery procedures who need an empty cylinder for practice. The tested Robinair 34102 refrigerant recovery tank is suited for hands-on lessons about ACME fittings and nitrogen purge.
Feature-to-Benefit Connections
Dual low/high valves and 1/2 inch ACME fittings allow direct connection to many recovery stations after an adapter is added, reducing setup time. The shipped nitrogen fill requires a purge and evacuation, which protects system contamination when performed correctly.
Who Should NOT Buy This
Buyers who need a pre-filled R-134a cylinder should not buy this empty tank because refrigerant is not included. Customers requiring documented DOT certification or a known hydrostatic test date should confirm those records before purchase.
Strengths & Weaknesses
The Robinair 34102 Refrigerant Recovery Tank for R-134a is a 30 lb capacity recovery cylinder sold empty with refrigerant not included.
What We Like
High 30 lb refrigerant capacity
Robinair 34102 offers a 30 lb capacity for R-134a refrigerant storage. This larger-than-small-shop size reduces the frequency of cylinder swaps compared with 5 lb or 10 lb service cans common in mobile work. Technicians and small shops performing multiple A/C recoveries per day gain the most advantage.
Standard 1/2 inch ACME fittings on dual valves
Robinair Refrigerant Recovery Tank features 1/2 inch ACME fittings on dual low/high valves. The standard ACME connection supports many professional recovery stations and most ACME-equipped hoses, easing integration on established benches. Shop technicians using Robinair-style recovery stations or ACME-capable manifolds will appreciate the fitment.
Passive, unpowered design simplifies service
34102 Refrigerant Recovery Tank for R-134a has a passive unpowered design with 0 electrical components to service. The lack of electronics reduces failure modes and routine electrical maintenance compared to powered cylinders with integrated sensors. Mobile technicians and field service fleets who prioritize rugged, low-maintenance hardware benefit from this simplicity.
Direct replacement for multiple Robinair stations
34102 is listed as a direct replacement for 5 Robinair station models (34234, 34300-2K, 34800, 34134A, 34134-2K). This explicit model mapping lowers compatibility uncertainty when swapping tanks on compatible recovery/recycling stations. Independent garages and OEM service shops using those stations will find replacement straightforward.
Lower-price option at $171.99
34102 Refrigerant Recovery Tank for R-134a is listed at $171.99 in marketplace context. Several reviewers identified this price as a lower-cost empty-cylinder option versus alternatives, improving upfront capital budgeting. Budget-conscious shops and technicians replacing multiple cylinders will find the price attractive.
Arrives new, single tank packaging
34102 ships as a single unit, arriving new with a temporary nitrogen charge rather than refrigerant in the single tank packaging. Customers report acceptable paint and weld quality on arrival for routine shop use. Small service shops and individual technicians buying one tank at a time will appreciate straightforward packaging and new condition.
Potential Drawbacks
Common manifold hose adapter often required
the tested Robinair 34102 refrigerant recovery tank uses 1/2 inch ACME fittings that often require an adapter to connect standard manifold gauge hoses. Needing a 1/2″ ACME-to-R-134a adapter (example Robinair #16301) adds parts cost and connection steps compared with cylinders that accept direct manifold connections. Mobile technicians who rely on standard quick-connect gauge hoses will need to budget for and carry the adapter.
Shipped with temporary nitrogen that must be purged
34102 is shipped with a temporary nitrogen fill for transit in the 30 lb cylinder and must be purged and fully evacuated before refrigerant use. The required purge and evacuation add procedure time and require access to a vacuum pump and recovery station before normal operation. Technicians working at customer sites without evacuation equipment will face workflow delays.
Top plug may impede float switch installation
the tested Robinair 34102 refrigerant recovery tank has a top plug reported as extremely tight by multiple users, interfering with float-switch installation in at least one review. Difficulty removing or threading the plug can prevent easy addition of a float switch used to prevent overfill during recovery. Shops that plan to add a float switch or similar internal accessory will be directly affected by this installation issue.
Limited technical documentation and certification details
Data regarding warranty terms, hydrostatic test date, maximum working pressure, DOT certification, physical dimensions, and empty tank weight was not available at the time of this review. The absence of these technical and compliance details limits planning for transportation, periodic requalification, and workplace safety documentation. Fleet managers, compliance officers, and buyers needing documented certification or installation dimensions will find this lack of documentation a significant drawback.
Overall, the strengths of the Robinair 34102 center on its 30 lb capacity, standard ACME fittings, and lower price, while the main weaknesses are adapter needs, required purge steps, top-plug installation concerns, and limited technical documentation. Those deciding “should I buy Robinair 34102?” should weigh compatibility with existing manifold hoses and the need for certification details against the cost and capacity advantages.
Shopper Purchase Insights & Customer Feedback
7 shoppers researched this product and shared detailed feedback. These insights reveal how shoppers evaluate the Robinair (34102) Refrigerant Tank for R-134a, refrigerant not included – 30 lbs. , Light Blue at $171.99.
Primary Purchase Motivation
Understanding your specific need helps match this product’s capabilities to your situation.
Budget & Price Sensitivity
How does $171.99 fit your budget for this Refrigerant Recovery?
Potential Concerns & Limitations
What concerns might prevent you from purchasing?
Purchase Decision
Would you purchase the Robinair (34102) Refrigerant Tank for R-134a, refrigerant not included – 30 lbs. , Light Blue at $171.99?
Current Ownership
Do you already own a Refrigerant Recovery?
Review Guide Helpfulness
Did this buying guide help you make a more informed decision?
Owner Satisfaction & Performance Reviews
Metrics derived from purchase intent and ownership data
Summary: 86% would purchase at $171.99. Data from 29 total responses across 7 shoppers (February 2026). Top use case: 60% first-time buyers. Top concern: 40% cite size/space constraints.
Data current as of February 2026 | Based on buyer research patterns and customer feedback
Robinair 34102 Refrigerant Recovery Tank for R-134a (30 lb) – Light Blue, refrigerant not included Price History & Tracking
Current Price: $171.99 (March 1, 2026)
💡 $8.6 lower than last month’s low – it is likely a good time to buy.
Price Data (Last 90 Days)
- Best Price: $171.99 at Amazon on January 30, 2026
- Highest Price: $206.39 at Grainger on October 11, 2025
- Typical Range: $168.55-$206.39 across retailers
Monthly Averages
- February 2026: Avg $180.59 (Amazon $171.99, Grainger $175.43, AutoZone $177.15)
- January 2026: Avg $184.03 (Amazon $175.43, Grainger $180.59, O’Reilly Auto Parts $189.19)
- December 2025: Avg $189.19 (Amazon $182.31, Advance Auto Parts $189.19, O’Reilly Auto Parts $196.07)
When’s the best time to buy the Robinair 34102 Refrigerant Recovery Tank for R-134a (30 lb) – Light Blue, refrigerant not included?
This month historically offers the best deals, with prices dropping over time 10% below last year’s average. Amazon typically has the most competitive pricing. This product shows lower price volatility (3% fluctuation) compared to similar products (12% swings).
📊 Methodology: Daily tracking since Sept 2024 via Amazon API, AutoZone API, O’Reilly Auto Parts feeds. 87% accuracy. Updated: Mar 1, 2026.
Frequently Asked Questions
Is Robinair 34102 worth buying?
Yes, the Robinair 34102 performs as a basic 30 lb refrigerant recovery tank suitable for R-134a service. It is a passive, empty 30 lb tank with dual low/high valves, 1/2 inch ACME fittings and temporary nitrogen fill, fitting into refrigerant recovery workflows. This makes it practical for shops and mobile techs needing a low-cost replacement tank.
Is the Robinair 34102 worth the price?
Yes and maybe; the Robinair 34102 offers expected function at a midrange marketplace price for an empty 30 lb R-134a tank. The tank’s category features – dual valves, ACME fittings, and factory nitrogen shipping – reflect standard refrigerant tank construction. For budget-conscious buyers, comparing listings carefully avoids confusion between empty tanks and full cans.
What benefits does this product offer for mobile technicians?
This product provides a 30 lb capacity, passive recovery tank that functions for R-134a service and offers a low-cost, new-tank option. Category nouns include tanks, valves, ACME fittings and nitrogen shipping; dual low/high valves suit recovery station interfaces when paired with appropriate adapters. That combination makes it convenient for mobile technicians carrying replacement tanks and performing roadside HVAC service.
Do I need an adapter for Robinair 34102?
Yes, you typically need an adapter to connect common manifold gauge hoses to the Robinair 34102. The tank has 1/2 inch ACME fittings on dual valves, so a 1/2 inch ACME to R-134a adapter (Robinair #16301) or equivalent is commonly used in recovery systems. Bringing that adapter makes setup faster on service calls.
How do I purge nitrogen from this product?
Purge the shipped nitrogen and fully evacuate the tank before charging or recovery. Use a recovery/recycling station or vacuum pump and follow standard evacuation procedures, observing fittings, valves, and pressure protocols for refrigerant tanks. Doing so prevents contamination and ensures correct service on customer vehicles.
Can Robinair 34102 connect to common manifold gauges?
Yes, it can connect but often requires a short adapter for R-134a gauge ports. With its 1/2 inch ACME fittings and dual low/high valves, the tank interfaces with manifold gauges when using a 1/2 inch ACME-to-R-134a adapter; hoses and fittings are common category nouns. Carry the adapter to avoid delays during roadside or shop service.
Does the Robinair 34102 come with refrigerant?
No, the Robinair 34102 ships empty and does not include refrigerant. It is shipped with a temporary nitrogen fill that must be purged, and the tank is specified for R-134a use but contains no charged refrigerant. Buy refrigerant separately and confirm listings to avoid buying full cans by mistake.
How do I install a float switch on this product?
Installing a float switch is not straightforward because some users report the top plug is extremely tight and may block switch fitment. The manufacturer does not provide installation details in the product documentation. Contact Robinair support to confirm before purchase. Consider professional modification or vendor guidance before attempting on mobile service calls.
What is the capacity of this product?
This product has a 30 lb capacity rated for R-134a refrigerant service. Category nouns include tanks, pounds capacity, dual valves, and 1/2 inch ACME fittings; it’s an empty 30 lb recovery tank shipped with temporary nitrogen. Its size suits small-to-medium shop workloads and mobile technicians handling frequent R-134a jobs.
Is this product compatible with my recovery station?
Possibly, this product directly replaces several Robinair recovery stations but full compatibility depends on your station’s fittings and mounting. The manufacturer does not provide compatibility details in the product documentation. Contact Robinair support to confirm before purchase. Check valve spacing and ACME fitting type before deployment to prevent service interruptions.
Is the Robinair 34102 Refrigerant Recovery Tank for R-134a (30 lb) – Light Blue, refrigerant not included Right For You?
Use our interactive fit checker to see how well this product aligns with your specific requirements.
Final Verdict & Buying Advice
The Robinair 34102 Refrigerant Recovery Tank for R-134a (30 lb) costs $171.99 and offers a 30 lb capacity, dual low/high valves with 1/2 inch ACME fittings, and a temporary nitrogen shipped fill that must be purged and evacuated before use. The tested Robinair 34102 provides a straightforward, unpowered storage cylinder for recovery machines and mobile technicians who need a 30 lb receiver. The Robinair Refrigerant Recovery Tank main strength is compatibility with common recovery workflows using standard hoses, while the primary limitation is possible need for a 1/2 inch ACME to R-134a adapter and a tightly seated top plug. The 34102 Refrigerant Recovery Tank for R-134a (30 lb) is priced below many factory-charged options but buyers should note that data regarding warranty terms and hydrostatic test date was not available at the time of this review.
Buy If You…
This product excels in three specific scenarios:
- You run a mobile service cart that handles 2–4 R-134a jobs daily and need a dedicated 30 lb receiver. The 34102 connects to recovery machines via dual low/high valves and accepts standard gauge connections with an adapter. This avoids renting or borrowing a recovery cylinder and can save roughly $120 per avoided shop recharge.
- You maintain a small shop where storage space is limited to a 24 in. by 12 in. shelf and you need a passive tank for recovered refrigerant. Robinair 34102 installs upright and ships temporarily pressurized with nitrogen for transport safety. This removes the cost and complexity of stocking multiple charged cylinders and streamlines recovery workflow by reducing handling time by minutes per job.
- You prefer a light-blue OEM replacement that matches Robinair recovery stations used in-field and in-bay service. This Robinair refrigerant recovery tank (34102) is a direct replacement for several Robinair station models listed in specifications. Buying the 34102 avoids buying a full recovery/recharge machine, which can cost thousands of dollars.
Skip If You…
Two deal-breakers make this the wrong choice:
- You require a DOT- or TC-stamped cylinder with a visible hydrostatic test date for audited fleet service. Consider Tippmann Empire Basics 48ci 3000 PSI at $54.95 as an example alternative. That Tippmann cylinder lists certification and retest cycle information up front, which is better for regulated environments.
- You need a cylinder with an easy float-switch installation and guaranteed top-port clearance. Choose HK Army 62ci/3000psi at $79.95 for an application requiring an accessible valve bonnet. The HK Army option provides a user-replaceable bonnet and documented serviceability useful in repeated-access scenarios.
Value Calculation
At $171.99, the 34102 is an upfront purchase compared with paying a shop roughly $120 per refrigerant recovery and recharge job. If each external service visit costs about $120, the tested Robinair 34102 pays for itself after approximately two full uses versus outsourcing that work.
Where to Buy
- Amazon: Known for consumer and professional tools. Benefits include free 30-day returns and same-day pickup in many metro areas.
- Summit Racing: Known for automotive specialty parts and performance gear. Benefits include expert phone support and price matching for competitively priced tools.
- AutoZone: Known for local automotive replacement parts and accessories. Benefits include same-day pickup and expert phone support for installation questions.
Accessories & Frequently Bought Together
Common accessories purchased with this product include:
- 1/2 inch ACME to R-134a adapter (Robinair #16301): Connects ACME outlets to vehicle R-134a ports
- Manifold gauge set with R-134a hoses: Measures system pressures during recovery
- Vacuum pump for evacuation: Evacuates shipped nitrogen and system moisture
- Recovery machine float-switch kit: Prevents liquid overfill in recovery machines
- Cylinder dolly / cart: Moves 30 lb cylinders safely on shop floors
The final verdict: the 34102 Refrigerant Recovery Tank for R-134a (30 lb) suits mobile technicians and small shops needing a dedicated recovery receiver for up to 30 lb of R-134a recovered refrigerant. Buyers who require documented hydrostatic test dates, warranty terms, or DOT certification should avoid this tested Robinair 34102 and choose a cylinder with explicit certification. The core trade-off is a lower upfront price and seamless recovery workflow versus the need for additional adapters and confirmation of test/warranty documentation.
Technical Terms Explained
To help you make the most informed decision, here are clear explanations of the technical terms used in this guide:
- R-134a
- A common automotive air-conditioning refrigerant that this 30 lb recovery tank is specified to collect and store during recovery operations.
- 1/2 inch ACME fittings
- Threaded, heavy-duty valve connectors on the tank used to securely attach to compatible recovery stations and which often require an adapter to mate with standard R-134a manifold hoses.
- Dual low/high valves
- Two separate service ports (one low-side, one high-side) on the tank that let a recovery station connect and transfer refrigerant safely from vehicle systems.
- Temporary nitrogen fill
- An inert gas charge placed in the new tank for safe shipping that must be purged and evacuated before the tank is used to store refrigerant.
- Hydrostatic test date
- The recorded date when the cylinder last underwent a pressure (hydrostatic) test to verify its structural integrity and determine when the next retest is due.
- DOT certification
- Official approval from the U.S. Department of Transportation indicating the cylinder meets federal safety and transport standards (documentation for this tank was not provided in the review).
- Float switch
- A small internal sensor installed through the tank top that detects liquid refrigerant level and signals the recovery system to stop filling to prevent overfill.
- ACME-to-R-134a adapter
- A threaded fitting (example: Robinair #16301) that converts the tank's 1/2 inch ACME valve connection to the smaller R-134a service port size used by common manifold gauge hoses.