Finding the best circuit board heater replacement for your RV’s water heater ensures optimal performance and durability. This article reviews top-quality circuit board heaters compatible with popular RV water heater models like Atwood and Dometic. We also provide a handy summary table for quick comparison and a comprehensive buying guide to help you select the right control board for your needs.
| Product Name | Brand | Compatibility Highlights | Key Feature |
|---|---|---|---|
| 91365 RV Water Heater Control Circuit Board Kit | YEHERIT | Atwood & Dometic models including GC10A, GCH6A, GCH10A series | OEM standard quality, extensive model support |
| Lrichy 3 in 1 Value RV Water Heater Replacement Parts Kit | Lrichy | Atwood/Dometic GH6, GCH6, G6A, GC6A, XT series | Integrated 3-part kit including circuit board, thermostat & igniter |
| Atwood 91365 Circuit Board Kit for Water Heaters | Atwood | Gas/Electric 12 VDC water heaters GCH6A-10E, GC6AA-10E, GC10A-4E | Combo board controls LP ignition & electric element |
| Lrichy Upgraded 91365 Ignition Control Circuit Board | Lrichy | Atwood/Dometic 6 & 10 Gallon Gas/Electric heaters, XT Series | Intelligent control for ignition & temperature precision |
| Heat Seal Circuit Board for Heat Seal and Hobart | NBSLA | Heat Seal & Hobart models 102A – 875A series | Specialized for heat sealers, not RV water heaters |
91365 RV Water Heater Control Circuit Board Kit by YEHERIT

This circuit board kit is designed to match and replace OEM parts identical to models 91365, 91346, 93305, and 93851 for Atwood and Dometic water heaters. It fits a broad range of models including GC6AA-10E and GCH10A-4E, making it highly versatile for RV owners.
Manufactured under OEM standards, it ensures durability and efficient control of gas and electric heating functions. The board supports both 12V DC electric and gas heating components, making it a reliable choice for restoring water heater performance.
Lrichy 3 in 1 Value RV Water Heater Replacement Parts Kit

This integrated kit offers three essential replacement parts in one package: the 91365 circuit board, the 91447 thermal cut-off thermostat, and the 93868 spark probe igniter electrode. It simplifies repairs by covering all critical components necessary for maintaining your RV water heater’s operation.
Compatible with a wide variety of Atwood/Dometic models including GH6-7E and GCH6A-10E, this kit is made from high-quality materials with rigorous durability tests, ensuring stable long-term function even in rugged RV environments.
Atwood 91365 Circuit Board Kit for Gas/Electric Water Heaters

The official Atwood 91365 circuit board is designed to replace the 93851 model and works seamlessly with gas and electric 12 VDC water heaters such as the GCH6A-10E and GC6AA-10E.
This combo board controls both LP ignition and the electric heating element, but please note it does not include the edge pin connector (Atwood part #93309). It’s an excellent authentic replacement part ensuring original equipment compatibility and reliable functionality.
Lrichy Upgraded 91365 Ignition Control Circuit Board

Featuring intelligent controls, this Lrichy replacement board addresses ignition failures and temperature inaccuracies by monitoring and controlling the gas and electric supply efficiently. It acts as the ‘brain’ of your water heater for consistent hot water quality.
Compatibility extends to Atwood’s XT Series and a variety of Dometic and Atwood water heater models. The board undergoes 100% quality testing and uses premium materials for long-lasting reliability.
Heat Seal Circuit Board for Heat Seal and Hobart by NBSLA

This product is a specialized circuit board intended for Heat Seal and Hobart equipment models such as 102A, 107A, 500A, and 825A. It is not designed for RV water heaters but is included here for users needing circuit board replacements for heat sealing equipment.
Offering reliable and exact replacements for various sealing machine models, it provides durable control functionality essential in industrial and food packaging applications.
Buying Guide For Circuit Board Heaters
Choosing the right circuit board heater for your RV water heater depends on several key factors:
- Compatibility: Always verify your RV water heater’s model number and the circuit board’s fitment list. Many boards suit a wide range of Atwood and Dometic models, but checking specifics avoids installation issues.
- Functionality: Select a board that controls all necessary components such as LP gas ignition and electric heating elements. Combo boards increase convenience and reduce hardware mismatches.
- Quality and Certification: Prefer OEM standard or certified aftermarket parts manufactured with durable materials and tested rigorously for longevity and safety in mobile environments.
- Integrated Kits: Kits including thermal cutoffs and igniter electrodes offer a comprehensive replacement solution, minimizing the chance of future component failures and simplifying repair.
- Brand Reputation: Brands like Atwood and Lrichy have established reliability. Choosing well-reviewed parts can ensure performance close to original OEM equipment.
- Support and Instructions: Look for products with clear installation instructions and customer support options, facilitating smooth replacement even if you’re a DIY RV owner.
By considering these aspects, you can find a circuit board heater that restores efficient operation to your RV water heater, ensuring hot water availability on every trip.