RV Water Heater Repair & Diagnostics
Mobile diagnosis and repair for RV water heaters with no hot water, ignition failures, electric-heating problems, leaks, controls and tankless-system concerns.
Common Problems We Diagnose
Similar symptoms can have different causes. Proper testing helps narrow down the actual failure.
No Hot Water
The unit operates poorly or does not heat water at all.
Propane Will Not Ignite
The burner does not light or shuts down shortly after ignition.
Electric Side Not Heating
The water heater works on propane but not on electric mode.
Tankless Error Codes
A tankless water heater displays a fault or produces inconsistent temperature.
Leaks
Water is visible around accessible fittings, valves or the heater assembly.
Control Problems
Switches, thermostats or control circuits are not operating as expected.
What We Can Service
MilTech RV provides mobile service for visible and accessible RV systems that fit within our field-service scope.
Suburban / Atwood Style
Common tank-type RV water-heater diagnostics and accessible component service.
Tankless Systems
Basic diagnostics for compatible tankless RV water-heater systems.
Controls & Ignition
Accessible switches, circuits, ignition and operating components.
Diagnose. Explain. Authorize. Repair & Educate.
Our approach is designed to identify the likely cause before unnecessary parts are replaced.
Test the affected RV system and narrow the problem to the likely cause.
Review what was tested, what we found and the available options.
You approve additional repair work before it proceeds.
Complete authorized work and explain what to monitor afterward.
Straightforward Mobile RV Pricing
Our standard mobile diagnostic pricing is consistent across core repair services.
Parts, materials and specialized-service charges are additional. Findings and repair options are discussed before additional authorized work.
Seasonal Mobile Service
MilTech RV serves Greater Des Moines during the Iowa season and Yuma, Arizona during the winter season.
Greater Des Moines, Iowa
2026 appointments through October 14, 2026. Returning April 14, 2027.
Des Moines Service →RV Water Heater Repair & Diagnostics FAQ
Quick answers to common questions about this service.
Can you diagnose a water heater that works on propane but not electric?
Yes. We can test common electrical-side causes and accessible components.
Do you service tankless RV water heaters?
Yes, for compatible systems and repairs within our mobile-service scope.
Should I replace the water heater before testing it?
Not usually. Several smaller component or control problems can create a no-hot-water symptom.
Need Help With Your RV?
Tell us what your RV is doing, where it is located and the year, make and model. Photos, fault codes and model numbers can help us determine the best starting point.