Dometic RJ12 Thermostat Control Module - Fits RJ Series - Part# 290000089
The Dometic RJ12 Thermostat Control Module is the brain behind your RV's climate control system. This essential component manages heating and cooling cycles, maintaining comfortable interior temperatures whether you're parked in scorching heat or freezing cold. If your RV's heating or air conditioning isn't responding to thermostat adjustments, this control module may need replacement.
- Direct replacement for Dometic RJ Series RV HVAC systems
- Precise temperature regulation with adjustable setpoints
- Compatible with both 12V and 24V systems (verify voltage for your model)
- Durable design built to withstand vibration and temperature fluctuations
- OEM genuine part ensures proper system integration
- Easy installation with standard RV electrical connections
| Specification | Details |
|---|---|
| Part Number | 290000089 |
| Manufacturer | Dometic |
| Series Compatibility | RJ Series |
| Function | Thermostat Control Module |
| Electrical Connection | RJ12 connector |
Frequently Asked Questions
Q: How do I know if my RJ12 control module needs replacement?
A: Common signs include the thermostat not responding to temperature adjustments, the heating or AC running continuously without cycling, or the system not turning on at all. If you've verified power is reaching the module and other components check out, the control module is likely the culprit.
Q: Will this work with my specific RV model?
A: This module fits Dometic RJ Series systems. We recommend confirming your current part number matches 290000089 before ordering. Our expert support team can help verify compatibility with your exact RV model.
Q: Is professional installation required?
A: While many RV owners successfully install this module themselves, it involves electrical connections. If you're not comfortable working with RV electrical systems, we recommend having a qualified RV technician handle the installation to ensure proper operation and safety.
Why Elkhart RV Parts
We specialize in hard-to-find Dometic replacement parts for RV owners who need exact OEM components. Shipping directly from Elkhart, Indiana—the RV capital of the world—we maintain inventory of genuine Dometic parts that keep your systems running reliably. Our expert support team can answer technical questions and help you identify the correct part for your specific RV model.
Original: $649.89
-65%$649.89
$227.46Product Information
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Description
The Dometic RJ12 Thermostat Control Module is the brain behind your RV's climate control system. This essential component manages heating and cooling cycles, maintaining comfortable interior temperatures whether you're parked in scorching heat or freezing cold. If your RV's heating or air conditioning isn't responding to thermostat adjustments, this control module may need replacement.
- Direct replacement for Dometic RJ Series RV HVAC systems
- Precise temperature regulation with adjustable setpoints
- Compatible with both 12V and 24V systems (verify voltage for your model)
- Durable design built to withstand vibration and temperature fluctuations
- OEM genuine part ensures proper system integration
- Easy installation with standard RV electrical connections
| Specification | Details |
|---|---|
| Part Number | 290000089 |
| Manufacturer | Dometic |
| Series Compatibility | RJ Series |
| Function | Thermostat Control Module |
| Electrical Connection | RJ12 connector |
Frequently Asked Questions
Q: How do I know if my RJ12 control module needs replacement?
A: Common signs include the thermostat not responding to temperature adjustments, the heating or AC running continuously without cycling, or the system not turning on at all. If you've verified power is reaching the module and other components check out, the control module is likely the culprit.
Q: Will this work with my specific RV model?
A: This module fits Dometic RJ Series systems. We recommend confirming your current part number matches 290000089 before ordering. Our expert support team can help verify compatibility with your exact RV model.
Q: Is professional installation required?
A: While many RV owners successfully install this module themselves, it involves electrical connections. If you're not comfortable working with RV electrical systems, we recommend having a qualified RV technician handle the installation to ensure proper operation and safety.
Why Elkhart RV Parts
We specialize in hard-to-find Dometic replacement parts for RV owners who need exact OEM components. Shipping directly from Elkhart, Indiana—the RV capital of the world—we maintain inventory of genuine Dometic parts that keep your systems running reliably. Our expert support team can answer technical questions and help you identify the correct part for your specific RV model.
