Troubleshooting An Excel Tankless Water Heater That Isn't Heating Water
Question:
We have changed the same heater out twice because neither time we could get it to heat up?! What is the solution
asked by: Patty
Expert Reply:
The likelihood that two separate Excel RV Tankless Water Heaters # EX93FR wouldn't heat the water in your trailer is pretty low so I would say you possibly have an issue with your water or gas. You'll want to first make sure that you've inserted two D batteries in the unit to operate the ignitor. You'll need to check the water pressure to ensure you're getting around 40-50 psi, you can use a pressure regulator like # A01-1124VP if you're using city water. If you're running off of a water pump you can check the pressure to ensure it's high enough as well, but you'd likely notice low pressure because your faucets would be spurting instead of giving you a steady flow.
The next thing to check would be the gas pressure to ensure that the unit is receiving 11" WC. This will likely require a licensed technician since the tools need to check gas pressure aren't readily available for most consumers. If the pressure is too low then your regulator is possibly in need of replacement or a good cleaning.
Products Referenced in This Question
Valterra RV Water Pressure Regulator and Gauge - 40 to 50 psi - Brass
- RV Water Pressure Regulator
- Water Pressure Gauge
- Water Pressure Regulator
- 40 - 50 psi
- Gauge
- Screened Washer
- Brass
- Valterra
more information >
Product Page this Question was Asked From
Excel RV Tankless Water Heater - Gas - Electric Ignition - Vent Free - 38,000 Btu
- RV Water Heaters
- Tankless Water Heater
- Gas and Electric
- 38000 Btu
- Auto Pilot
- 14-5/8L x 11-5/8W x 4-1/2D Inch
- Excel
more information >
Continue Researching
- Shop: Excel RV Tankless Water Heater - Gas - Electric Ignition - Vent Free - 38,000 Btu
- Q&A: Reason My Excel Tankless Water Heater Keeps Shutting Off After About 5 Minutes
- Q&A: Troubleshooting Ignition of Excel RV Tankless Water Heater
- Q&A: Winterizing the Excel RV Tankless On-Demand Water Heater
- Shop: Fogatti RV Tankless Water Heater - Gas - Automatic Pilot - 41,800 Btu - White
- Q&A: Can A Tankless Water Heater Be Installed In A Cabinet Under A Sink?
- Q&A: Troubleshooting Cold Water From An Excel RV Tankless Water Heater
- Q&A: Is An Accumulator Tank Needed For The Excel RV Tankless Water Heater
- Q&A: Can The Excel RV Tankless Water Heater Be Connected To A 1lb Propane Tank Bottle
- Shop: Trailer Hitch
- Shop: etrailer Hitch Pin Alignment Collar for Hitch Accessories - 2" Hitches
- Article: How to Choose the Right Trailer Hitch Class
- Video: Choosing the Right Trailer Wiring
- Search Results: tankless water heater
- Video: Review of Excel RV Water Heaters - Tankless Ventless Water Heater - EX93FR
- Article: Trailer Wiring Diagrams
- Search Results: awning
- Shop: Trailer Wiring
- Shop: Universal Installation Kit for Trailer Brake Controller - 7-Way RV and 4-Way Flat - 10 Gauge Wires
- Article: Brake Controller 7- and 4-Way Installation Kit (ETBC7)
- Shop: Redarc Tow-Pro Liberty Brake Controller - Dash Knob - 1 to 2 Axles - Proportional
- Search Results: water heater
- Shop: Suspension Enhancement
- Video: Furrion RV Tankless Water Heater Installation - 2016 Forest River Wildwood X-Lite Travel Trailer
- Shop: Furrion RV Tankless Water Heater - Gas - Automatic Pilot - 60,000 BTU - 16" x 16" Door
- Search Results: rv water heaters
- Article: Trailer Tire Sizing
- Shop: Roof Rack
- Video: Furrion RV Tankless Water Heater Review
- Shop: Dometic RV Water Heater - Gas and Electric - Automatic Pilot - 120 Volt - 10,000 Btu - 6 Gal Tank