10 Best Suburban 520814 Module Board of 2025

Tested and Reviewed: Top 10 Suburban 520814 Module Board deals with expert ratings from 8.1 to a perfect 10

July 2025 Edition

Editor's Choice

9.7

Chevrolet

Suburban 520814 Module Board

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Editor's bottom line:

“This suburban 520814 module board is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

For use with Suburban furnaces.Fit Type: Universal Fit
Built from quality and durable material
Refer to manufacturer recommendations and installation guidelines to ensure proper fit and usage
Installation is quick and easy

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Picked by 183 people today

9.5

Fexhull

Fexhull 520814 Circuit Board Fit for Suburban RV Furnace SW4D SW6D SW6DE SW6DEL SW10DE SW12DEM, Fit for 520871 520820 33550L,12V DC Module Board

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Main Highlights

Vehicle FitmentFit for Suburban SW4D/SW6D/SW6DE/ SW6DEL/ SW6DEM/ SW6DM/ SW10D/ SW10DE/ SW10DEL/ SW10DEM/ SW10DM/SW12D/SW12DE/ SW12DEL/ SW12DEM/SW16D/ SW16DE/ SW16DEL/ SW16DEM
OE Module Board520814 RV Water Heater Circuit Board Fit for Fit for Suburban Furnace And Water Heater Circuit Boards 520871 520814 520820 AP4896608 33550L, Replace Number : 520871 520814 520820 AP4896608 33550L
MaterialThe 520814 module board is made of quality material, 12 Volt DC furnace water heater fan control board replacement part.
To Make Your Purchase More ReassuringThis Circuit Board Kit Comes With 2-Years Warranty. If There Are Any Issues With The Product, You Can Get Free Repair Or Replacement.
ProfessionalRV Water Heater Circuit Board Come from a manufacturer with more than 20 years of professional experience. Our service tenet is: "Professional, standardized, team, efficient"

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9.5

ApexscnView

🅽🅴🆆 Upgrade 520820 Circuit Board with Fan Control,Replace 521099, 520814, 520871, 33550L, AP4896608 Etc, 12V DC RV Furnace Ignition Control Module Board Compatible with Suburban NT-Series,SF-Series

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Main Highlights

Compatible ModelsThe 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 NumbersApexscnView 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.
High Quality RV Circuit BoardApexscnView upgraded 520820 12V DC RV furnace lgnition control module board is made of high-quality materials. The electronic waterproof coating has corrosion resistance, waterproof and dust-proof performance, which ensures its durability and reliability.The 520820 control board can operate for a long time under various environmental conditions, ensuring stable and durable operation of the RV module. It is the perfect choice for replacing the furnaces circuit board.
Easy To Install & UseThe installation of the 520820 module board is very simple and convenient. Simply remove the connector from the old module board and insert it into the new module board. The module interface is simple, easy to manage, use, and maintain, without the need for professional personnel, and can be completed in just a few minutes. Reminder: Before installation, please make sure to turn off all power and wear work gloves.
Perfect ReplacementThe ApexscnView RV furnace ignition circuit board of the water heater is perfectly compatible with the Suburban RV furnace, allowing users to quickly achieve control within their equipment and system. When your electric furnace DC ignition circuit board cannot work properly, some circuits cannot work properly, the circuit board is burned out or corroded by chemical substances, our circuit board is your irreplaceable choice, which can save a lot of labor and costs, and is a cost-effective solution.
Safety Protection & High-Quality After-Sales ServiceOur 520820 Circuit Board has safety functions such as overheating and leakage protection, minimizing potential safety hazards. In addition, we provide you with a 3-year after-sales return and exchange service, and any quality issues within the 3 years can be replaced for free. If you have any questions about our products, please feel free to contact us and we will give you a satisfactory answer within 24 hours.With the end of spring and the arrival of summer, get ready to fully enjoy the fun of outdoor activities!

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9.2

BOQNZN

520814 Module Board 12V Compatible with Suburban Furnace SW4D SW6D SW6DE SW6DEL, Water Heater Ignition Control Circuit Boards Replace 520820 520871

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Main Highlights

Compatible Models: Compatible with Suburban SW4D, SW6D, SW6DE, SW6DEL, SW6DEM, SW6DM, SW10D, SW10DE, SW10DEL, SW10DEM, SW10DM, SW12D, SW12DE, SW12DEL, SW12DEM, SW16D, SW16DE, SW16DEL & SW16DEM. Suitable for all suburban furnaces and water heater circuit boards, including 520814, 520871, 520820, 33550L, AP4896608
High Reliability and Safety: The module board optimizes the combustion efficiency of the water heater by monitoring and controlling the combustion process, which improves the efficiency of hot water generation. Our control board has features such as overheat protection and leakage protection to help prevent potential safety issues and protect you and the water heater from potential dangers
Rapid Response: The water heater control board should have a fast ignition function, good contact, the ability to quickly start the combustion system when the user needs hot water, to achieve rapid heating and supply of hot water
Peace of Mind Camping: The ignition control board has temperature control and adjustment functions to ensure a continuous and stable supply of hot water, and you can easily set and adjust the water temperature of the water heater with stable performance, so you won't be in the embarrassing situation of bathing without hot water, providing you with a quality camping experience
Plug and Play: Easy to install, it can be directly replaced with old or damaged board. If your auto ignition board malfunctions, it is advisable to promptly seek repairs or replacement to prevent situations where temperature control is inaccurate or hot water supply is stopped

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9.0

Lrichy

520814 RV Water Heater Ignition Control Module Board Replacement for Suburban RV Water Heater SW Series SW4D SW6D SW10D SW12D SW16D Water Heaters, 12 VDC, with Lid, Replace 520871

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Main Highlights

Universal Control UnitDesigned specifically for Suburban SW Series RV Water Heater Furnaces, this 12VDC Control board ensures optimal combustion efficiency. It carefully monitors and controls the combustion process to improve hot water production and supply.
Wide CompatibilityEffortlessly fitting into various Suburban models includ SW4D, SW6D, SW6DE, SW6DEL, SW6DEM, SW6DM, SW10D, SW10DE, SW10DEL, SW10DEM, SW10DM, SW12D, SW12DE, SW12DEL, SW12DEM, SW16D, SW16DE, SW16DEL, and SW16DEM. This control unit guarantees seamless compatibility for a hassle-free installation.
OEM ReplacementCompatible with multiple part numbers like 520814, 520820, 520871, AP4896608, and 33550L, it makes for a straightforward replacement, following original equipment manufacturer specifications.
Quality UpgradeBuilt with high-quality materials and featuring a reliable waterproof coating, this control unit provides good insulation, moisture resistance, and leak protection. It ensures durability and a long service life, reducing the need for frequent replacements.
Enhanced FunctionalityWith a straightforward plug-and-play design, installation is quick and easy. The upgraded control unit delivers efficient and consistent operation for your RV water heater. Its quick ignition and reliable connections ensure continuous heating, maintaining a steady hot water supply. Additionally, it includes overheating protection and leak prevention features for added safety.
Satisfaction GuaranteeLrichy attaches great importance to product quality and customer shopping experience. We provide 2 years warranty service and a refund for any product quality issues. If you have any problem, you can contact us via email. Free exchange and refund policy for a truly hassle-free after-sales service.

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8.8

Hihitomorrow

520814 Ignition Control Circuit Board Igniter Module Replacement Parts Kit Fit For Suburban RV Water Heater & Furnace, For SW4D, SW6D, SW10D, SW12D, SW16D RV Water Heaters, Replace 520820 520871

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Main Highlights

APPLICATION: The 520814 module board is compatible with Suburban Water Heaters SW4D, SW6D, SW6DE, SW6DEL, SW6DEM, SW6DM, SW10D, SW10DE, SW10DEL, SW10DEM, SW10DM, SW12D, SW12DE, SW12DEL, SW12DEM, SW16D, SW16DE, SW16DEL, SW16DEM models. And for all Suburban Furnace And Water Heater circuit boards including 520871, 520814, 520820, 33550L, AP4896608. This Water Heater Modul Board fits the SW series water heaters above serial number 953900766.
FUNCTION: The 520814 water heater control board replacement part is used to replace the old and damaged control board, and keep your water heater working properly. The module board helps ensure reliable ignition and efficient performance by accurately monitoring, diagnosing, and controlling the electrical components.
EASY INSTALLATION: The 520814 module board is a plug and play assembly that can directly replace the old control board, and put all the wires into the new control board in their original wiring locations.
MATERIAL: The 520814 module board is made of quality material, treated with high-temperature resistance and anti-corrosion. The ignition control module is located in the control box. This is the 12 Volt DC furnace water heater fan control board replacement part.
Satisfaction Guarantee--100% satisfaction guarantee. Please feel free to contact us if you have any questions about our product.

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8.6

sixcow

520814 Ignition Control Circuit Module Board Replacement Part for Suburban RV Water Heater & Furnace SW4D, SW6D, SW10D, SW12D, SW16D, Replace 520871, 520814, 520820

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Main Highlights

Compatible Model 520814 Ignition Control Circuit Module Board Replacement is compatible with the following model: SW4D, SW6D, SW6DE, SW6DEL, SW6DEM, SW6DM; SW10D, SW10DE, SW10DEL, SW10DEM, SW10DM; SW12D, SW12DE, SW12DEL, SW12DEM; W16D, SW16DE, SW16DEL, SW16DEM. For All Suburban Furnace And Water Heater Circuit Boards Including 520871, 520814, 520820, 33550L, AP4896608. This Water Heater Modul Board fits the SW series water heaters above serial number 953900766.
Perfect Design The ignition control module is located in the control box. This control board replacement part is used in 12 Volt DC water heaters furnaces and refrigerators. The module board ensures reliable ignition and efficient performance by carefully monitoring, diagnosing, and regulating the electrical components.An electronic panel that produces high voltage spark ignition source. Produces current to open gas valve coils. Recognizes flame sense current. Three trials for ignition.
Ignition Board Upgrade If youre suffering from water heater running issues due to control board, such as Ignition of the gas flame was spotty, water heater has not fire, water heater shut off in seconds, maybe its time to upgrade your control board. 520814 Water Heater Module Board replacement restores your equipment back to peak performance.
Safe & Sable Work Constructed of premium-grade PCB material and robust construction. High-temperature resistance, Excellent moisture resistance for stable performance and reliable durability. Work well with the original wiring as with the updated wiring.
Plug & Play Installation It takes a breeze to install. Simply clip the resistor, unplug the uniter and control. Replace with the new board and done. Simple installation, perfect replacement for damaged original module boards.
100% Satisfaction Guarantee Your satisfaction is our priority. We strive to give our customers excellent service. All Sixcow products support 30-Day money-back guarantee, 12-Month warranty for quality-related issues. Simply return it for your warranty.

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8.3

Yoursme

520814 Module Board Ignition Control Board Replacement for Suburban RV Water Heater Furnace SW Series SW4D SW6D SW10D SW12D SW16D Water Heaters, 12 Volt DC, Come with Lid, Also Replace 520871 520820

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Main Highlights

Versatile Control Board This 12 Volt DC Furnace Water Heater Control Board is designed specifically for Suburban SW Series RV Furnace Water Heaters. This versatile board ensures optimal combustion efficiency, effectively monitoring and controlling the combustion process to enhance hot water generation and supply.
Great Compatibility -- this control board seamlessly fit for various Suburban models including SW4D, SW6D, SW6DE, SW6DEL, SW6DEM, SW6DM, SW10D, SW10DE, SW10DEL, SW10DEM, SW10DM, SW12D, SW12DE, SW12DEL, SW12DEM, SW16D, SW16DE, SW16DEL, and SW16DEM.
OEM Replacement -- Compatible with multiple part numbers such as 520814, 520871, 520820, AP4896608, and 33550L, ensuring a hassle-free replacement process.
Upgrade Quality -- Crafted with high-quality materials and featuring a high-class waterproof coating, this control board offers excellent insulation, moisture resistance, and leakage protection. it is promising durability and a prolonged lifespan, ensuring you won't need frequent replacements.
Enhanced Performance -- Installation is a breeze with its plug-and-play design, saving you time and effort. Our module board guarantees enhanced performance, delivering efficient and consistent operation for your RV water heater. Its rapid ignition function and reliable contact enable quick and continuous heating, preventing situations where hot water supply is disrupted. Additionally, it includes overheat protection and leakage prevention features, prioritizing safety for you and your water hea
Satisfaction Guarantee -- Yoursme aims to provide excellent products and best service for customers. You can simply return it if you are not satisfied with the product. We support 12 month warranty.

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8.1

APSFY

APSFY 520814 Ignition Control Circuit Module Board 12 Volt DC Replacement Parts Kit | Fit Suburban RV Water Heater & Furnace SW4D, SW6D, SW10D, SW12D, SW16D| Replace # 520871 520820 33550L AP4896608

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Main Highlights

COMPATIBLE WITH : The 520814 Ignition Control Circuit Module Board is compatible with SUBURBAN SW SERIES RV FURNACE WATER HEATERS SW4D/SW6D/SW6DE/SW6DEL/SW6DEM/SW6DM/SW10D/SW10DE/SW10DEL/SW10DEM/SW10DM/SW12D/SW12DE/ SW12DEL/ SW12DEM/SW16D/ SW16DE/ SW16DEL/ SW16DEM
REPLACE PART NUMBER : Fit for Suburban Furnace And Water Heater circuit boards #520871 520814 520820 AP4896608 33550L The Water Heater Modul Board fits the SW series water heaters above serial number 953900766.
FUNCTION : The 12 Volt DC 520814 Furnace Water Heater Control Board is used to replace the old and damaged control board, the replacement can help you to solve the problems such as uneven ignition of gas flames, failure of water heaters to ignite, and water heaters shutting down within seconds. This multifunctional board improved combustion efficiency, effectively monitoring and controlling the combustion process to advance hot water generation and continuous supply.
EASY INSTALLATION :The 520814 circuit board is a plug and play assembly which allows for direct replacement of old control boards. All wires are connected to the original wiring positions in the new control board, making installation simple even without the need for professional guidance.
HIGH PERFORMANCE :The 520814 circuit board is made of high-quality PCB material and has undergone high temperature resistance and anti-corrosion treatment, making it long-lasting and durable. Circuit boards help ensure reliable ignition and efficient performance by accurately monitoring, diagnosing, and controlling electrical components.
After-Sales Service: We are committed to providing you with the satisfactory shopping experience. If you have any inquiries or require assistance, please don't hesitate to get in touch with us. Your satisfaction is always our priority.

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Best Value

8.1

Save 50%

Wosijm

520814 520820 520871 Ignition Control Circuit Board Replacement Parts Kit for Suburban RV Water Heater & Furnace, Igniter Module Circuit Board Replace SW4D, SW6D, SW10D, SW12D (Yellow)

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Main Highlights

Compatible for520814 RV Water Heater Module Board compatible for SW4D, SW6D, SW6DEL, SW6DEM, SW6DM, SW10D,SW10DE,SW10DEL,SW16D,SW10DEM, SW10DM, SW12D, SW6DE,SW12DE, SW12DEL, SW12DEM, SW16DE, SW16DEL, SW16DEM, models
MaterialRV water heater module Board using high quality materials high temperature resistantprecision machining overheat protection
ApplyWater heater control board compatible for all suburban furnace and water heater circuit boardsSolve the problem of RV water heaterYou always need one, just in case
Easy to installThe 520814 module board is a plug and play componenteasy to install, if you have any questions during the installation process can contact us at any time
Warranty Our products are guaranteed for one year, if you have any problems during use, you can contact us at any time

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Our Best Overall Choice

Best Choice

9.7

Chevrolet

Suburban 520814 Module Board

Free Shipping

Editor's bottom line:

“This is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

For use with Suburban furnaces.Fit Type: Universal Fit
Built from quality and durable material
Refer to manufacturer recommendations and installation guidelines to ensure proper fit and usage
Installation is quick and easy

Show Price

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