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- 521099 Furnace Ignition Circuit Board with Fa...
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Item #:
95030744
521099 Furnace Ignition Circuit Board with Fan Control 12V DC Fits Suburban NT12/16/20/24/25/30/34/42,SF20/25/30/35/42 Series RV Camper Water Heater
Item #:
95030744
PHP 3050
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
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Imported from USA store
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Order now and get it around Sunday, August 23
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The 521099 RV Furnace Ignition Water Heater Circuit Board offers high-quality performance and easy installation, making it the perfect replacement for your mobile residence.
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Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
Direct Replacement
Seamlessly replaces multiple models, including 520820 and 520871, ensuring compatibility without modifications, providing a hassle-free installation experience for RV owners.
Fan Control
Integrates advanced fan control functionality, optimizing heating efficiency and providing consistent performance, essential for maintaining comfortable temperatures in your RV.
Durable Design
Built with high-quality materials for enhanced longevity, designed to withstand the rigors of RV life, ensuring reliable operation during your travels.
Product Details
| Power Source | dc |
| Voltage | 12 Volts |
| Mount Type | Wall |
| Is Electric | Yes |
| Item Dimensions W x H | 3"W x 1.37"H (7.6 cm) |
| Color | Multicolor |
| Style Name | Indoor Installation |
| Brand Name | APSFY |
| Model Number | 521099 |
| Unit Count | 1.0 Count |
| Manufacturer | APSFY |
| Included Components | Water Heater Circuit Board |
| Item Type Name | Circuit Board |
| Manufacturer Part Number | 521099 |
| Brand | APSFY |
| Product Dimensions (L x W x H) | 3"W x 1.37"H (7.6 cm) |
| Item Weight | 1 lbs (450 grams) |
Who Should Buy?
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RV Owners
Ideal for RV owners seeking reliable ignition and fan control for their water heating systems during trips.
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DIY Enthusiasts
Perfect for DIY enthusiasts who prefer to repair their appliances rather than replacing entire units.
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Suburban Users
Designed specifically for users with Suburban water heater models needing a replacement ignition circuit board.
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Non-RV Users
Not suitable for homeowners or non-RV users as it's specifically made for RV water heater systems.
Product Description
521099 Furnace Ignition Circuit Board with Fan Control 12V DC Fits Suburban NT12/16/20/24/25/30/34/42,SF20/25/30/35/42 Series RV Camper Water Heater Control Module Board Replace# 520820 520871 520814
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Customer Questions & Answers
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Question:
What is the 521099 Furnace Ignition Circuit Board and its compatibility?
Answer: The 521099 Furnace Ignition Circuit Board is a crucial component for RV camper water heaters, specifically designed to fit Suburban NT and SF series models such as NT12, NT16, SF20, and more. It controls the ignition and fan, ensuring that your water heater operates efficiently. This compatibility simplifies the replacement process for users looking to upgrade or fix their existing water heater systems, offering reliable heating solutions in various scenarios, such as long road trips or camping adventures. -
Question:
How can I install the 521099 circuit board in my RV water heater?
Answer: Installation of the 521099 circuit board involves disconnecting power, locating the existing board, and carefully replacing it with the new unit. You'll want to ensure that all connections are secure and that the wiring is done correctly to prevent malfunctions. This straightforward process often takes less than an hour, making it an excellent DIY project for RV owners who want to ensure their water heater functions optimally during trips. -
Question:
Can the 521099 board replace other part numbers?
Answer: Yes, the 521099 Furnace Ignition Circuit Board can replace several part numbers including 520820, 520871, and 520814. This interchangeability allows users to choose the 521099 board for enhanced functionality if they encounter issues with older or less efficient modules. Confirming compatibility ensures that you maintain the heating efficiency of your water heater, making it a popular choice among RV enthusiasts. -
Question:
What are common symptoms of a failing control module?
Answer: A failing ignition circuit board can display symptoms such as the water heater failing to ignite, inconsistent heating, or unusual noises from the unit. Users should also look for blinking error codes on the control panel. Addressing these symptoms promptly by replacing the board can prevent further issues and keep your RV water heater performing well, especially during outings. -
Question:
What voltage does the 521099 circuit board operate on?
Answer: The 521099 Furnace Ignition Circuit Board operates at 12V DC. This low-voltage operation is standard for RV appliances, ensuring safety and compatibility with your vehicle's electrical system. It's crucial for users to verify voltage requirements before installation to avoid potential damages, ensuring a seamless operation of your water heater. -
Question:
Is the 521099 ignition circuit board suitable for all RV models?
Answer: No, the 521099 circuit board is specifically designed for certain Suburban NT and SF series RV water heaters. Its compatibility with models like NT12, NT20, and SF30 is notable, but it is not universally suitable for all RV models. Always check your water heater specifications to ensure this part is the right fit, as using incorrect components can lead to performance issues. -
Question:
Where can I find a replacement for my circuit board?
Answer: You can purchase the 521099 Furnace Ignition Circuit Board from Ubuy in Philippines. Ubuy offers a wide selection of appliance parts, ensuring you find exactly what you need for your RV water heater. This convenience makes Ubuy a go-to resource for RV owners looking to maintain or enhance their vehicle's functionality. -
Question:
What maintenance should I perform on my water heater to prolong the life of the circuit board?
Answer: To prolong the life of your 521099 circuit board and overall water heater system, regular maintenance is essential. This includes checking and cleaning the burner and igniter, inspecting electrical connections for corrosion, and maintaining proper water levels. Such preventive measures will enhance the efficiency of your heater and reduce the strain on the circuit board, ensuring reliable performance for your adventures. -
Question:
What should I do if my water heater still doesn’t work after replacing the board?
Answer: If your water heater fails to operate after installing the 521099 circuit board, ensure that all electrical connections are secure and the correct voltage is supplied. It may also be beneficial to check the power source, fuse, and other components for underlying issues. If problems persist, consulting a professional may be necessary to diagnose more complex issues within the water heating system. -
Question:
What makes the 521099 board a preferred choice for RV maintenance?
Answer: The 521099 Furnace Ignition Circuit Board is preferred by many RV owners due to its reliability and compatibility with multiple Suburban models. It provides an efficient ignition process and fan control, crucial for maintaining optimal water temperature in a mobile setting. Users appreciate that it is a direct replacement for older modules, helping to restore peak performance for comfortable living while on the road.
APSFY Circuit Boards 521099 Editorial Review
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Pros
- High compatibility
- Easy installation
- Reliable performance
- Durable construction
- Effective heating control
Cons
- Limited troubleshooting guide
Platform Trust & Buyer Confidence
MA
Mohammad
Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
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“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
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“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
22 July 2026 · via Trustpilot
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PHP 3050
Order now and get it around Sunday, August 23
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Features & Benefits
- Compatible with various Suburban RV models including NT12/16/20/24/25/30/34/42.
- Made of high-quality materials with rigorous pre-factory quality checks.
- Operates on a standard 12V DC power supply suitable for RVs, boats, and cars.
- Multiple part number compatibility including 520820 and 520871.
- Features a plug-and-play design for quick and easy installation.
- Replacement can be completed in just a few minutes without professional help.
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