The Dometic CWMC Control Module (Part# 9108717866) is a genuine OEM replacement control board designed for Dometic climate control systems in RVs. This is the Rev H or higher version, providing updated functionality and reliability for your RV's heating and cooling system. If your climate control system is unresponsive, displaying error codes, or failing to maintain temperature, this control module is likely the solution you need.
Key Features
- Genuine Dometic OEM Part: Factory-spec control module ensuring perfect fit and reliable performance
- Rev H or Higher: Updated revision with improved circuitry and enhanced reliability over earlier versions
- Direct Replacement: Plug-and-play installation for compatible Dometic climate control systems
- Climate Control Management: Controls heating, cooling, and fan operations for complete comfort system management
- Diagnostic Capability: Built-in error detection and reporting for easier troubleshooting
- Durable Construction: Designed to withstand the vibration and temperature extremes of RV environments
Technical Specifications
| Part Number | 9108717866 |
| Revision Level | Rev H or Higher |
| Component Type | Control Module / Circuit Board |
| Application | Dometic Climate Control Systems |
| OEM Status | Genuine Dometic Factory Part |
Frequently Asked Questions
How do I know if I need to replace my CWMC control module?
Common signs include: climate control system not responding to thermostat commands, error codes displayed on the control panel, system cycling on and off erratically, or complete failure to heat or cool. If your system has power but won't operate properly, the control module is often the culprit.
What does "Rev H or Higher" mean?
Revision H indicates an updated version of the control module with improved components and circuitry. Rev H and higher versions are backward compatible with systems that used earlier revisions (Rev A through G), providing enhanced reliability and performance. Always upgrade to the latest revision when replacing your control module.
Can I install this control module myself?
Installation requires basic electrical knowledge and comfort working with RV systems. You'll need to disconnect power, remove the old module, and connect the new one using the existing wiring harness. While many RV owners successfully perform this replacement, if you're not comfortable with electrical work, we recommend having a qualified RV technician handle the installation.
Will this work with my specific Dometic climate control system?
This control module is designed for specific Dometic climate control systems. To verify compatibility, check your existing control module for the part number 9108717866 or consult your system's documentation. If you're unsure, contact our parts specialists with your RV make, model, and year, along with your climate control system model number.
Why Choose Elkhart RV Parts?
At Elkhart RV Parts, we specialize in hard-to-find Dometic replacement parts that keep your RV systems running smoothly. Located in Elkhart, Indiana — the RV Capital of the World — we have direct access to genuine OEM parts and the expertise to help you find exactly what you need. We stock authentic Dometic components, not aftermarket substitutes, ensuring perfect fit and reliable performance. Our team understands RV systems and can provide expert guidance to help you get the right part the first time. With fast shipping and knowledgeable support, we're your trusted source for Dometic climate control parts.
Need Help? Our RV parts specialists are here to assist you. Contact us with questions about compatibility, installation, or finding the right part for your Dometic system.
| Brand | Dometic |
|---|---|
| Product type | Control Module |
| Part number | 9108717866 |
| System compatibility | CWMC Climate Control Systems |
| Minimum revision | H |
| Condition | OEM Replacement |
| Function | Temperature Control and System Operation |
| Installation type | Direct Fit |
Factory-Fresh OEM Parts — the same brands installed in new RVs straight from Elkhart. Genuine, name-brand components made to order — never generic, never outdated. Sourced directly from the original RV manufacturers for perfect fit and factory-level quality.