Girard RV Tankless Water Heater GSWH-2
7-10 business day lead time before shipping.
Why replace your old RV water heater with a Girard RV tankless water heater? Typical RV water heaters are 6- or 10-gallon units with limited water capacity and limited heating capacity. You run out of hot water quickly, and you can wait up to an hour for the heater to refill and the water to reheat. With the Girard RV tankless water heater, you have virtually unlimited hot water, without the wait! It saves on both propane use and water, and also takes up less than half the space and only one-third the weight of a conventional 10-gallon RV water heater. Choose of of 4 access door styles to go with this heater (access door sold separately).
The Girard RV Tankless Water Heater GSWH-2 is a third-generation tankless propane water heater model, including these features:
- Onboard micro-processor monitors:
- Inlet water flow
- Inlet water temperature
- Outlet water temperature
- Digital wall-mount User Control Panel enables you to adjust water temperature from 95F to 124F
- Regulates the burner to maintain the set hot water temperature
- Now you can add cold water to the desired temperature
- 1-1.5 gallon per minute flow rate, all the hot water you want when you want it!
- 42,000 BTUs, provides the best performance for an RV’s plumbing
- Quiet brushless motor
- Requires both a propane source plus 12V power, but uses less than 3A@12VDC!
- Freeze protected – designed for winter use
- Designed specifically for RVs
- Compact design – fits in any tank water heater cut-out opening
- Comes with a 2-year limited warranty.
Note: This does not come with an access door, you'll need to order this separately if needed.
Specifications: Girard RV Tankless Water Heater, GSWH-2
| Length (in.) | 15.5 |
| Width (in.) | 12.5 |
| Height (in.) | 12.5 |
| Weight (lbs.) | 24 |
| Voltage | 12 VDC |
| BTU/Hour | 42000 |
| Water Pressure/Flow | 45-125 psi (.9-1.5 gpm) |
| Power Use | 10A surge, 3A continuous |
| Approvals | ETL-listed in US and Canada (UL 499) |
Video: Girard RV Tankless Water Heater Features and Advantages
Watch this video showing how easy it is to install and use the Girard RV tankless water heater.
Documents: Girard RV Tankless Water Heater GSWH-2
Note that there are several models of conversion doors for use with the GSWH-2 tankless heater.
Girard GSWH-2 Tankless Heater Owner's Manual
Girard GSWH-2 Tankless Heater Conversion Doors
Girard GSWH-2 Tankless Heater Conversion Door Aftermarket Install
Vehicle fitment
- Product type
- Fuel or propane system component
- Vehicle
- Camper vans, RVs, trailers, and overland builds
- Summary
- Camper vans, RVs, trailers, and overland builds that need a compatible fuel or propane system component. Confirm tank capacity, underbody mounting location, line routing, venting, brackets, clearances, applicable safety requirements before ordering. Product listing notes: Digital wall-mount User Control Panel enables you to adjust water temperature from 95F to 124F Requires both a propane source plus 12V power, but uses less than 3A@12VDC! Compact design – fits in any tank water heater cut-out opening
Fitment FAQ
What does this Girard RV Tankless Water Heater GSWH-2 fit?
This Girard RV Tankless Water Heater GSWH-2 fits Camper vans, RVs, trailers, and overland builds.
Is this product vehicle-specific?
This fuel or propane system component is not tied to one van generation. Fit depends on measurements, installation requirements, and the build layout.
What should I verify before ordering?
Confirm tank capacity, underbody mounting location, line routing, venting, brackets, clearances, applicable safety requirements before checkout.
What installation details matter?
Confirm tank capacity, underbody mounting location, line routing, venting, brackets, clearances, applicable safety requirements before ordering. Use professional installation when safety-critical, structural, electrical, fuel, water, or suspension work needs to be verified.
Who is this product best for?
This fuel or propane system component is intended for camper van conversions, RV upgrades, overland builds, and mobile installations where the product specifications match the build.
Campervan HQ fitment guide
Girard RV Tankless Water Heater GSWH-2 for camper van and RV builds
Girard RV Tankless Water Heater GSWH-2 supports Camper vans, RVs, trailers, and overland builds applications where fitment, measurements, installation requirements, and build layout should be confirmed before ordering.
Why choose this product?
- Supports camper van, RV, and mobile build planning
- Helps confirm measurements, installation needs, and clearances before checkout
- Useful for matching the product to the build layout before ordering
Installation context
- Confirm measurements and clearances
- Review wiring, mounting, sealant, or material requirements where relevant
- Use professional installation when the build requires it
Compatibility notes
Camper vans, RVs, trailers, and overland builds that need a compatible fuel or propane system component. Confirm tank capacity, underbody mounting location, line routing, venting, brackets, clearances, applicable safety requirements before ordering. Product listing notes: Digital wall-mount User Control Panel enables you to adjust water temperature from 95F to 124F Requires both a propane source plus 12V power, but uses less than 3A@12VDC! Compact design – fits in any tank water heater cut-out opening
Common use cases
- Camper van conversions
- RV upgrades
- Trailer and overland builds
Girard RV Tankless Water Heater GSWH-2
