Kohree KR5511 Rv Tankless Water Heater Review: Anti-Freeze Device for Cold Weather Protection

Kohree KR5511 Overview

Kohree KR5511 RV Water Heater heats water at a 60000 BTU/hour output for buyers requiring a 12 Volts (DC) power source.

Maintaining a consistent flow rate of 2.9 gallons per minute allows for a continuous stream of hot water without the cycling delays found in smaller units. This flow rate is what puts a comfortable shower experience in reach while keeping the unit’s internal components from overworking.

The Kohree KR5511 reaches this 2.9 gallons per minute flow rate while maintaining a 60000 BTU/hour heating capacity. These figures ensure the unit can handle standard RV demands while providing a consistent temperature rise.

We evaluated the rv tankless water heater (recreational vehicle tankless water heater) options to select the 15 models featured here. We chose the Kohree KR5511 because it is one of the most-rated products that pass screening, with 67 buyer ratings, the 13th most of the 38 screened. This review is for buyers who prioritize consistent water volume and reliable performance in their mobile home heater.

The Short Answer on the Kohree KR5511

Best for: You need a propane-powered heater that operates at high altitudes and includes a remote control for convenient operation.

The Kohree KR5511 is a practical choice at the $265.99 price point.

• Pro: The 60,000 BTU output provides the heat energy required for consistent flow in extreme cold or high altitudes.
• Pro: A remote control is included for easier operation from a distance.
• Pro: The 12 Volts (DC) input allows you to run the unit from a house battery bank without an inverter.
• Con: The 2.9 gallons per minute flow rate limits the volume of water delivered, which may restrict usage with high-flow shower heads.
• Con: The 15.16″ x 16.14″ dimensions require a specific wall space that you must measure before ordering.

Don’t buy this if: You require a flow rate higher than 2.9 gallons per minute for your specific shower head requirements.

Price assessment: At $265.99, this unit offers a fair price for a 60,000 BTU heater with remote functionality.

Another popular alternative is the Ranein RAS65-W; view our full Ranein RAS65-W review for more details.

Full Specifications for the 60000 BTU Rv Tankless Water Heater

The Flow Rate of 2.9 gallons per minute measures the volume of water delivered per minute.

Before You Buy: Rv Tankless Water Heater Checklist

The first thing to check is the physical space available for installation, as the 15.16″W x 16.14″H dimensions must fit your mounting area without obstruction.

• ✓ Measure your mounting surface and confirm it can accommodate the 15.16″W x 16.14″H dimensions—otherwise, the unit will not fit the wall space.
• ✓ Confirm your RV power system provides 12 Volts (DC) power—incorrect voltage can prevent the unit from powering on or damage the electronics.
• ✓ Check your shower head’s flow requirements against the 2.9 gallons per minute rate—exceeding this capacity causes a flow rate drop where the unit shuts off or provides cold water.
• ✓ Plan a drainage route for condensate—improperly routed drainage leads to internal moisture buildup and premature electronics failure.

You should not buy this product if your shower head requires a flow rate significantly higher than 2.9 gallons per minute or if you plan to use it in environments exceeding 5,000 feet.

What These Specifications Let You Do

Safety protection features for this Rv Tankless Water Heater

The Kohree KR5511 includes a safety protection device for extinguishing the flame and boil-dry protection, which prevents the unit from overheating if water flow ceases. These features provide a layer of security against common tankless hazards like dry-firing or uncontrolled flames. You can rely on the self-diagnosis of fault and electric leakage safety protection to identify internal issues before they lead to hardware failure.

The automatic pressure relief valve and protection for excessive air pressure manage the internal gas environment to maintain stable operation. Because the Kohree KR5511 states it has overheating safety protection, you can operate the unit with the confidence that it monitors its own thermal limits. These safety features work alongside the anti-freeze device to protect the internal components from environmental damage during non-use.

High Altitude Operation

You can use this heater in mountain environments because the Kohree KR5511 is rated to operate above 5,000 feet. This altitude rating ensures that the propane combustion remains efficient even as the air thins at higher elevations. While the 60,000 BTU/hour output provides the heat energy needed for consistent water temperatures, the high-altitude rating specifically confirms the unit will function in those conditions.

The 60,000 BTU output is the total heat energy produced per hour, which determines how much heat the unit can provide to the water stream. For a buyer seeking hot water quickly, this rating provides the capacity to heat water rapidly without the delay of a traditional storage tank. Since the Kohree KR5511 states it operates up to 5,000 feet, you can plan for high-elevation travel without worrying about a drop in heating performance.

Wall mounting dimensions for this Rv Tankless Water Heater

The Kohree KR5511 uses a wall mounting type and measures 15.16″W x 16.14″H to fit into standard mounting spaces. Because it is designed for indoor installation, you can mount it in a location that keeps the unit protected from the elements while remaining accessible for maintenance. The 15×15 inch door size is the standard mounting footprint for most aftermarket RV tankless installations, ensuring compatibility with common mounting brackets.

You can achieve a 2.9 gallons per minute flow rate, which provides enough hot water for a full shower at once. This flow rate is the volume of water delivered per minute and determines the volume of water you can use simultaneously. While the 60,000 BTU output provides the heat energy, the 2.9 GPM flow rate ensures that a standard shower head receives a steady stream of hot water rather than a trickling flow.

Safety is a priority, so review the safety standards for rv tankless water heaters before making your purchase.

The Kohree KR5511 Against Similar Rv Tankless Water Heaters

The Kohree KR5511 provides a 60,000 BTU output, which is the amount of heat energy produced per hour to heat your water.

Price comparison of this Rv Tankless Water Heater to similar models

The Kohree KR5511 ranks as the 3rd cheapest of the 6 models compared in our research.

• The Fgo-togo RV Tankless Water Heater is $11 cheaper than the Kohree KR5511.
• The Camplux RV Tankless Water Heater is $16 cheaper than the Kohree KR5511.
• The Kohree KR5511 provides a 2.9 gallons per minute flow rate, while the Somokg RV Tankless Water Heater provides a 3.9 GPM flow rate.
• The 55000 BTUs 3.9 GPM Propane Tankless Water Heater offers 55,000 BTU output, while the Kohree KR5511 provides 60,000 BTU.

If you require a higher flow rate than 2.9 gallons per minute, the Somokg RV Tankless Water Heater is the alternative to consider.

If you are considering other options, see our full Ranein RA65EH review for a detailed performance breakdown.

For a different heating capacity, see our spec breakdown of the ORBEK 60,000 BTU Heater.

Setting Up This Rv Tankless Water Heater, and What Support Covers

Setting up the Kohree KR5511

You must have a propane gas source available before the Kohree KR5511 can provide hot water. This unit utilizes propane as its primary fuel source to generate heat.

1. Mount the unit to a wall surface to accommodate its 15.16″W x 16.14″H dimensions.
2. Connect the 12 Volts (DC) power supply to the unit’s electrical input.
3. Attach a pressure regulator to the gas line to maintain consistent gas flow to prevent flame outs.
4. Install a condensate drain hose to prevent moisture buildup and internal corrosion.
5. Pair the remote controller with the unit to allow for temperature adjustment from outside the unit.

Warranty and support terms for this Rv Tankless Water Heater

Warranty coverage and return policies vary by seller and country. Confirm the specific terms for your region before the return window closes.

• Verify the 12 Volts (DC) input requirements to ensure your battery bank provides the correct electrical pressure.
• Confirm the 60000 BTU/hour output meets your specific flow requirements to avoid a flow rate drop during heavy use.
• Check the status of the self-diagnosis of fault feature to ensure the internal electronics are communicating correctly.
• Verify the 5,000 feet altitude rating matches your intended travel destination to ensure consistent heating.

The first thing to do when the unit arrives is to verify the 2.9 gallons per minute flow rate with a standard shower head while it is connected to your propane source.

Kohree KR5511 Buying Questions Answered

Space requirements for installing this Rv Tankless Water Heater

To clear enough space on your wall for the Kohree KR5511, you need to account for a footprint of 15.16″W x 16.14″H. Because RV interiors are often cramped, you should measure your mounting area to ensure these dimensions allow for the unit and necessary clearance. A professional installer should handle the mounting to ensure the wall can support the 27.6-pound weight of the heater.

Ordering a unit that does not fit your available wall space results in a failed installation and the time and cost of a return. The Kohree KR5511 provides a 60,000 BTU/hour heat output, which is a standard figure for maintaining consistent flow rates in extreme cold. This 60,000 BTU output allows for consistent heating without the flow rate drop that occurs when a heater’s capacity is exceeded by the shower head’s pressure.

Frequently asked questions about buying this Rv Tankless Water Heater

How much space do I need to clear on my wall for the unit?

You need a wall space of at least 15.16 inches wide by 16.14 inches high to accommodate the Kohree KR5511. This allows for the physical dimensions of the unit while ensuring you have enough room for the wall mount and surrounding clearance.

Does the Kohree KR5511 support high altitude use?

Yes, the Kohree KR5511 operates above 5,000 feet. This high altitude suitability ensures the unit can maintain performance in mountain environments where air pressure is lower than at sea level.

What is the flow rate of the Kohree KR5511?

The Kohree KR5511 provides a flow rate of 2.9 gallons per minute. This volume of water delivered per minute is a key metric for determining how quickly you can fill a shower or sink while maintaining steady heat.

Is the Kohree KR5511 compatible with 12V DC power?

Yes, the Kohree KR5511 uses a 12 Volts (DC) input voltage. This allows the unit to run from a house battery bank, which is a common requirement for off-grid setups that do not have a dedicated AC inverter.

You can find out if the Kohree requires high water pressure to ensure it works with your existing plumbing.

Is the Kohree KR5511 Right for You?

Who the Kohree KR5511 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 Kohree KR5511 sat at $265.99 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 Kohree KR5511 in stock, so check availability and the current price with the retailer before making a trip.

• 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
• Walmart (online and physical stores) — accessible pricing and physical store availability
• eBay (online only) — open-box and refurbished stock

Final Verdict on the Kohree KR5511

If you need a compact wall-mounted unit that functions at high elevations, the Kohree KR5511 is a viable option for around $265.99. While many buyers assume high-altitude performance requires a massive heating capacity, this unit provides 60,000 BTU/hour of heat output while maintaining a 2.9 gallons per minute flow rate at elevations up to 5,000 feet.

You should choose the Kohree KR5511 if you require a propane-powered heater with a 12 Volts (DC) power supply for your RV. It features a 15.16″W x 16.14″H footprint, and the 15 x 15 inch door size provides a standard access point for maintenance. Because it includes an anti-freeze device, this unit is designed to operate in colder conditions where moisture could otherwise freeze in the internal components.

The Kohree KR5511 is a propane-powered rv tankless water heater that provides 60,000 BTU/hour of heat. It operates on a 12 Volts (DC) input and delivers water at a flow rate of 2.9 gallons per minute. The unit includes a remote control and features several safety protections, such as a boil-dry protection and an automatic pressure relief valve.

You should verify your installation space can accommodate the 15.16″W x 16.14″H dimensions before ordering. A qualified installer should handle the mounting and plumbing to ensure the unit meets local safety requirements and is properly integrated into your vehicle’s gas and water lines.

You should choose the Kohree KR5511 if you need a propane-powered heater that fits a standard 15 x 15 inch mounting footprint and functions at 5,000 feet. At $265.99, it provides a 2.9 gallons per minute flow rate for your mobile home or travel trailer.

The 4.1 rating from 67 buyers serves as a significant signal of user experience for this 60,000 BTU model. This rating reflects the performance of the unit’s 2.9 gallons per minute flow rate and its propane-based heating system.

Skip it if: You require a flow rate higher than 2.9 gallons per minute or if your installation area cannot accommodate the 15.16″W x 16.14″H dimensions.