GT60 Tankless Water Heater Review: Uses Oxygen-free Copper for Heat Exchange

Where the GT60 Tankless Water Heater Fits

GT60 60,000 BTU Propane RV Tankless Water Heater heats water at a 3.9 Gallons per Minute flow rate for users requiring high-output propane heating.

Enjoying a hot shower in a camper requires a unit that can deliver a 3.9 Gallons per Minute flow rate without a drop in temperature. This consistent output is what allows for a standard shower experience in a mobile environment.

The GT60 Tankless Water Heater achieves this flow rate while running on liquid propane. It features an oxygen-free copper heat exchanger, a material that efficiently transfers heat from the flame to the water, to maintain performance during use.

We selected this model from 38 screened options because it is one of the most-rated products that pass screening, with 173 buyer ratings. This review is for shoppers seeking a high-output propane system and is based on our spec breakdown of the products we evaluated.

The Short Answer on the GT60 Tankless Water Heater

Best for: you need a propane heater that maintains a consistent flow at high altitudes or in extreme cold.

The GT60 Tankless Water Heater is a solid choice at the $299 price point.

• Pro: The 60,000 BTU output provides enough heat to maintain hot water at 10,000 ft elevation.
• Pro: It includes a built-in 150 PSI pressure reducing valve to manage incoming line pressure.
• Pro: The oxygen-free copper heat exchanger provides a durable surface for heat transfer.
• Con: The 3.9 Gallons per Minute flow rate may restrict use with high-flow shower heads.
• Con: A 5000+ ft altitude rating limits its use in high-mountain environments beyond that height.

Don’t buy this if: your installation requires a flow rate higher than 3.9 Gallons per Minute or an altitude rating above 5000 ft.

Price assessment: The $299 price is fair for a unit featuring 60,000 BTU output and CSA Certification.

If you are still deciding, see how to find the best rv tankless water heater for travel trailers for a comprehensive roundup.

The Specifications That Matter

Before You Buy: Rv Tankless Water Heater Checklist

The first thing to check is your campsite’s elevation and your desired flow rate to ensure the heater provides enough heat energy to keep the water hot.

• ☐ Confirm your shower head pressure does not exceed the 3.9 Gallons per Minute flow rate—if it does, the unit may shut off or provide cold water.
• ☐ Verify your storage area can accommodate the 15″ x 15″ door size—if the space is smaller, the unit will not fit in the compartment.
• ☐ Budget for a 60,000 BTU heat output—this capacity is what allows the unit to maintain hot water at 10,000 ft elevation.
• ☐ Plan for proper condensate drainage—improperly routed drainage leads to internal moisture buildup and premature electronics failure.

You should not buy the GT60 Tankless Water Heater if you require a flow rate higher than 3.9 Gallons per Minute or need to operate in environments exceeding 5,000 feet in elevation.

Before making a final purchase, it is wise to compare rv tankless water heater warranties to ensure your investment is protected.

Performance: What the Specs Deliver

How staged combustion maintains 60,000 BTU output for this heater

Staged combustion, a process that controls the timing and ratio of fuel and air to maximize heat output, allows the GT60 Tankless Water Heater to maintain a consistent 60,000 BTU per minute. This specific output provides enough heat to maintain hot water at 10,000 ft elevation, a common concern for high-altitude RV travel. Because this unit produces 60,000 BTU, it provides enough energy to run a shower for 10 minutes without a flame out, assuming the demand stays within the unit’s capacity.

The 3.9 Gallons per Minute flow rate determines that you can shower one person at a time with a steady stream. While 3.9 GPM is sufficient for a single occupant, it does not provide enough volume for multiple people to shower simultaneously. This flow rate represents the maximum volume of water the unit delivers every minute. You should confirm your shower head’s flow requirements match this 3.9 GPM limit before you order.

How oxygen-free copper resists corrosion in the heat exchanger

The GT60 Tankless Water Heater uses an oxygen-free copper heat exchanger to transfer heat from the propane flame to the water. Oxygen-free copper is a metal with reduced oxygen content that resists corrosion and prevents the degradation of the internal heating surfaces. This material choice supports the unit’s ability to handle the high-temperature demands of instant water heating while maintaining the integrity of the internal pathways.

Copper’s thermal properties allow for rapid heat transfer, supporting the 95F to 123F temperature range. Because the heat exchanger is the core component where the water meets the flame, using this specific metal helps the unit withstand the constant thermal cycling of an RV environment. You can rely on the material’s known resistance to scale and corrosion in high-heat applications.

How microcomputer fault codes identify specific internal heating issues

A built-in microcomputer panel manages the unit’s operations and provides fault codes to identify specific internal issues. These codes allow you to identify exactly why a unit might stop heating, such as a gas pressure issue or a sensor failure, without guessing. By providing clear data points rather than generic warnings, the microcomputer simplifies the troubleshooting process for common maintenance needs.

The microcomputer also regulates the 150 PSI built-in pressure reducing valve to ensure gas enters the system at the correct levels. This electronic oversight helps prevent the flame out failures that occur when gas pressure fluctuates. Having these diagnostics on a dedicated panel means you can quickly determine if a problem requires a simple adjustment or a professional repair.

The GT60 Tankless Water Heater Job by Job: What Its Figures Cover

The GT60 Tankless Water Heater against the jobs buyers ask about, worked out from its listed BTU output and a typical need for each job.

How the GT60 Tankless Water Heater Compares to Other Rv Tankless Water Heaters

The GT60 Tankless Water Heater provides the lowest price point of the options we compared, priced at $299.

• The GEESEN RV Tankless Water Heater and OEVANT RV Tankless Water Heater Propane 12V DC both provide 55,000 BTU, while the GT60 Tankless Water Heater provides 60,000 BTU.
• The APUS 68,000 BTU Propane Gas On Demand provides 68,000 BTU, which is 8,000 BTU more than the GT60 Tankless Water Heater.
• The RIWORY RV Tankless Water Heater has a variable range of 14,000 to 65,000 BTU, whereas the GT60 Tankless Water Heater provides a steady 60,000 BTU.
• The GT60 Tankless Water Heater holds the highest buyer rating of the group with a 4.4 average.

If you require a higher heat output than 60,000 BTU for specific high-demand needs, the APUS 68,000 BTU Propane Gas On Demand is a different choice.

You can also view our full review of the ORBEK 60,000 BTU Heater to see how it compares to other high-output models.

From Delivery to First Use with This Rv Tankless Water Heater

Getting the GT60 Tankless Water Heater Running

You must have a liquid propane supply connected and ready before the GT60 Tankless Water Heater can function.

1. Unpack the unit and mount it in a space that allows for the 15″ x 15″ door access.
2. Connect a pressure regulator to the gas line to ensure consistent flow and prevent flame outs.
3. Attach a condensate drain hose to the outlet to prevent moisture buildup and internal corrosion.
4. Wire the 12V DC power source to the unit to activate the microcomputer panel.
5. Set the temperature to your desired level between 95F and 123F using the control interface.

Warranty and Support: What to Check

Warranty terms and support availability vary by seller and country.

• Confirm the 150 PSI pressure reducing valve functions correctly to ensure the unit operates within its rated limits.
• Verify the 5000+ ft altitude rating matches your planned travel locations to prevent flow rate drops.
• Check the fault codes on the display to ensure the brushless DC fan and staged combustion system are communicating.

Test the unit for a full 10-minute hot water cycle the day it arrives to confirm the 60,000 BTU output performs as expected before the return window closes.

The GT60 Tankless Water Heater: Remaining Questions

Is the GT60 60,000 BTU Propane RV Tankless Water Heater the best value for a sub-$300 propane unit?

The GT60 60,000 BTU Propane RV Tankless Water Heater provides a 60,000 BTU heat output and a 3.9 gallons per minute flow rate for around $299. Because 60,000 BTU is the minimum output required to maintain consistent flow rates at high altitudes or in extreme cold, this model provides the necessary power for those environments at a sub-$300 price point. You should check your required flow rate and maximum expected altitude to see if these specific capacities meet your needs before purchasing.

Does the GT60 60,000 BTU Propane RV Tankless Water Heater support high-altitude use?

Yes, the GT60 60,000 BTU Propane RV Tankless Water Heater states an altitude rating of up to 5000+ ft. This 60,000 BTU output is sufficient to maintain hot water at 10,000 ft elevation, which requires at least 60,000 BTU to prevent the unit from shutting off. If you plan to use this in high-altitude regions, confirm that your specific location falls within the 5,000 to 9,800 ft range where these types of units typically operate.

What is the flow rate of the GT60 60,000 BTU Propane RV Tankless Water Heater?

The GT60 60,000 BTU Propane RV Tankless Water Heater provides a flow rate of 3.9 gallons per minute. This volume of water delivered per minute is what determines how quickly you can fill a shower or sink, rather than the water pressure itself. You should compare this 3.9 GPM figure against the flow rate of your existing shower head to ensure it provides the volume you need.

Does the GT60 60,000 BTU Propane RV Tankless Water Heater include a remote control?

Yes, the GT60 60,000 BTU Propane RV Tankless Water Heater includes a remote control for operation. This feature allows you to manage the unit’s functions without needing to interact directly with the built-in microcomputer panel. Since 34 of the 38 screened listings include this feature, it is a standard convenience for most modern RV tankless water heaters.

Is the GT60 Tankless Water Heater Right for You?

Who the GT60 Tankless Water Heater suits and the jobs it is the wrong choice for, listed below with the reason for each.

Where to Buy This Rv Tankless Water Heater

The GT60 Tankless Water Heater sat at $299 in the listing data from November 2026; the price you see at checkout can differ.

Rv tankless water heaters are sold by the retailers below – we do not track which of them has the GT60 Tankless Water Heater in stock, so check availability and the current price with the retailer before making a trip.

• Walmart (online and physical stores) — accessible pricing and physical store availability
• eBay (online only) — open-box and refurbished stock
• Amazon (online only) — wide selection of brands and consumer reviews
• Camping World (online and physical stores) — large physical footprint and specialist staff
• REI (online and physical stores) — outdoor gear expertise and in-store returns
• RVStore (online only) — specialist retailer for RV components and accessories

Final Verdict on the GT60 Tankless Water Heater

If you need a compact heater that maintains hot water at high altitudes, the GT60 Tankless Water Heater is a capable choice at around $299. The 60,000 BTU output provides the heat energy required to maintain consistent flow rates in extreme cold or at 10,000 ft elevation.

The unit uses staged combustion, a process where the burner adjusts the air-to-fuel ratio to manage heat output, to provide a 3.9 Gallons per Minute flow rate. Because the 60,000 BTU output is sufficient for a 10-minute shower without a flame out, you can rely on a steady supply of hot water. The 12V DC input allows the system to run from a house battery bank without an AC inverter.

You select the heater and connect it to your propane source. The built-in microcomputer panel displays fault codes to alert you of issues during operation. You turn on the water, and the oxygen-free copper heat exchanger transfers heat to the flow to reach your desired temperature between 95F and 123F.

You should choose the GT60 Tankless Water Heater if you need a high-output propane system for an RV or off-grid setup that requires reliable performance in cold weather or at high elevations. It is available for around $299.

The 60,000 BTU output is the strongest data point for this model, as it provides the necessary capacity to prevent flow rate drops during heavy use in demanding environments. It also holds a 4.4 rating from 173 buyers.

Skip it if: You require a flow rate higher than 3.9 Gallons per Minute or need a unit with a different temperature range than 95F to 123F.