520820 Circuit Board with Fan Control

$35.00

Compatible Models：The 520820 ignition control circuit board is compatible with Suburban RV furnace and water heater. The specific models are as follows: SF20/25/30/35/42, SF20F/25F/30F/35F/42F use 520832 wire kit, NT24/30/34SP, NT40 use 520839 wire kit, NT12/16/20S, NT12/16/20SE use 520840 wire kit, DD17DSI with date comes below 9124 use 520612, DD17DSI with date comes above 9124 use 520741.
Suitable For Vehicles & Replaceable Part Numbers：ApexscnView 520820 RV furnace ignition control circuit board is compatible with Suburban SW4D/SW6D/SW6DE/SW6DEL/SW6DEM/SW6DM/SW10D/SW10DE/SW10DEL/SW10DEM/SW10DM/SW12D/SW12DE/SW12DEL/SW16DEM/SW16DEL/SW16DEM and other vehicles. The replaceable part numbers are: 520820, 520741, 520814, 520871, 521099, 33550L, AP4896608.

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SKU: 520820 Category: RV Parts

Description
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520820 Circuit Board with Fan Control – Compatible Replacement for RV Water Heaters

High-Quality Compatible 520820 RV Water Heater Control Circuit Board with Fan Control – Direct Replacement for Gas/Electric Units

Restore reliable ignition, temperature control, and fan operation to your RV water heater with this premium compatible 520820 control circuit board with fan control. This advanced PCB module manages gas/electric ignition, flame sensing, safety shutoff, and blower fan speed – ensuring consistent hot water and efficient ventilation during camping, road trips, and off-grid living in RVs, camper vans, trailers, and motorhomes.

At Smart Autoparts Co., we supply durable, eco-friendly aftermarket parts that match OEM standards, providing a fast and affordable fix for no ignition, error codes, fan failure, or intermittent heating.

Key Features and Benefits:

Exact Compatibility → Direct replacement for part number 520820. Fits popular Atwood/Dometic RV water heaters (gas/electric DSI models, 6-10 gallon).
Integrated Fan Control → Built-in circuitry for precise blower fan operation, improving combustion efficiency and reducing noise.
Advanced Safety → Overheat protection, gas leak detection, and fault shutdown to prevent hazards.
Easy Plug-and-Play Installation → Standard connectors – simple DIY upgrade or professional repair.
Durable Construction → High-quality PCB resists vibration, moisture, and extreme temperatures in RV use.
Cost-Effective Solution → Superior performance at wholesale prices with fast global shipping (7-10 days delivery).

Technical Specifications:

Part Number: 520820
Voltage: 12V DC
Type: Control circuit board with fan control / PCB module
Suitable For: Atwood/Dometic RV gas/electric water heaters (DSI ignition)
Application: RVs, camper vans, trailers, motorhomes

Ideal for wholesale buyers, RV owners, or repair shops seeking 520820 RV water heater control circuit board with fan control replacement from a trusted China supplier. Pair with our gas valves, igniters, or thermostats for complete water heater service.

Reliable hot water and fan control on every trip — Add to cart or contact us for bulk pricing and inquiries!