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RV Repair by Custom way in California > FAQ > Camper Water Heater Repair
camper water heater repair

Camper Water Heater Repair

A failing camper water heater quickly turns a comfortable trip into a frustrating one. No hot water, strange smells, leaks, or loud popping sounds are all signs that something inside the system needs attention. RV water heaters are compact but complex units that combine propane, electric heating elements, 12V controls, and safety components.

Below is a practical guide to understanding common problems and how camper water heater repair is typically handled.

Common Camper Water Heater Problems

1. No Hot Water at All

Possible causes:

  • Empty water heater tank

  • Tripped breaker (electric mode)

  • Blown fuse (12V control circuit)

  • Faulty heating element

  • Bad propane ignition system

First, confirm the tank is full of water before turning the heater on. Running it dry can destroy the heating element.

2. Water Not Hot Enough

This can happen due to:

  • Sediment buildup inside the tank

  • Failing thermostat

  • Weak heating element

  • Partially blocked burner tube

  • Incorrect bypass valve position

Sediment buildup is especially common in hard water areas.

3. Water Heater Leaking

Leaks may come from:

  • Pressure relief valve

  • Drain plug or anode rod

  • Cracked tank

  • Loose fittings

  • Internal corrosion

If the tank itself is cracked, replacement is usually required.

4. Heater Won’t Ignite on Propane

Common causes:

  • Dirty burner assembly

  • Faulty igniter

  • Bad control board

  • No propane supply

  • Air in propane lines

You may hear clicking but no flame, or see an error light on the control panel.

5. Loud Popping or Rumbling Noises

This usually indicates:

  • Heavy sediment buildup at the bottom of the tank

  • Mineral deposits overheating

Flushing the tank can often solve this issue.

Basic Maintenance You Can Try

Before calling for repair:

  1. Turn off power and propane

  2. Drain and flush the tank

  3. Inspect and replace the anode rod if needed

  4. Clean the burner tube carefully

  5. Check for loose wiring connections

Never work on the heater while propane or electricity is connected.

Electric vs Propane Repair Issues

Electric Mode Problems

  • Burned heating element

  • Faulty thermostat

  • Tripped breaker

  • Loose wiring

Propane Mode Problems

  • Dirty burner tube

  • Faulty gas valve

  • Ignition board failure

  • Improper flame adjustment

Each mode has different diagnostic steps.

Signs You Should Call a Professional

Call for service if:

  • You smell propane

  • Water heater leaks continuously

  • Tank pressure relief valve keeps opening

  • Control board shows repeated fault codes

  • Wiring appears melted or damaged

Water heaters combine propane, electricity, and pressurized hot water. Improper repairs can be dangerous.

Repair vs Replacement

Repair usually makes sense if:

  • Heating element failed

  • Thermostat is bad

  • Igniter needs replacement

  • Burner needs cleaning

Replacement may be better if:

  • Tank is cracked

  • Severe corrosion is present

  • Control board repeatedly fails

  • Unit is over 8–10 years old

We Can Help!

If your camper water heater needs repair, Custom-way can help.

We understand:

  • RV propane systems

  • 12V and 120V wiring layouts

  • Tank flushing and anode replacement

  • Safe burner and control board repair

We can access hidden plumbing and electrical compartments and repair the system safely and correctly.

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✉️ customway.ca@gmail.com

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