Can Excel RV Tankless Water Heater be Used With 12 Volt Water Pump
Updated 02/03/2026 | Published 07/05/2024
Question:
Why does the water heater make a vibrating sound when the 12v water pump is running. Can this by used with 12v water pump!
asked by: Jeff
0
Expert Reply:
Hello Jeff,
I sent the manufacturer your question and they said the Excel Water Pump # EX93FR can use a 12 volt water pump, and it seems like the pumps vibrating frequency is the same as a component inside the water heater and they resonate together, hence the noise.
expert reply by:
Kyle S
0
Product Page this Question was Asked From
Excel RV Tankless Water Heater - Propane - Electric Ignition - Vent Free - 38,000 Btu
- RV Water Heater
- Tankless Water Heater
- Propane
- 20000 - 40000 Btu
- 22-5/8L x 17-1/4W Inch Cutout
- 11L x 14-5/8W x 5-1/4D Inch
- Excel
more information >
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Jameson C.
2/3/2026
Hey Jeff, were you able to get the Excel water heater and 12V pump to run more quietly after learning about the resonance issue? Knowing what worked could help others dealing with the same vibration problem.