Suburban 12V DC Furnace Ignition Control Board (521099) w/ fan control

Product Overview

Suburban 12V DC Furnace Ignition Control Module Board w/ Fan Control (521099) (fits all Suburban Furnaces and select Suburban Water Heaters) FREE SHIPPING!

This Suburban ignition control circuit board works on all Suburban 12V furnaces and Suburban water heater model 520820. This Suburban board also has fan control.

Replacement for 520820 and 520741

Will Not Replace 24 Volt AC Boards

Dimensions: ‎6.5" x 0.5" x 2.6"

Note*- Different suppliers are used for some components which may cause boards to appear different. Functionality is the same between all boards!

Works with models:

DD-17-DSI / NT-12S / NT-12SE / NT-16S / NT-20S / NT-16SE / NT-20SE / NT-24S / NT-24SP / NT-24M / NT-25K / NT-30SP / NT-34S / NT-42T / NT-16SQ / NT-20SQ / SF-20 / SF-20F / SF-25 / SF-25F / SF-30 / SF-30F / SF-35 / SF-35F / SF-42 / SF-42F

SF-20Q / SF-20FQ / SF-25Q / SF-25FQ / SF-30Q / SF-30FQ / SF-35Q / SF-35FQ / SF-42Q / SF-42FQ

SF-20VHQ / SF-25VHQ / SF-30VHQ / SF-35VHQ / SF-42VHQ / SF-20VHFQ / SF-25VHFQ / SF-30VHFQ / SF-35VHFQ / SF-42VHFQ

Warranty: Limited 90 days

* PART NUMBERS LISTED BELOW REQUIRE THE LINKED WIRING KIT TO OPERATE THIS BOARD

Click Links Below For Wiring Kit To Convert Non-Fan Control Models

SF-20/25/30/35/42; SF-20/25/30/35/42F

NT-24/30/34SP; NT-40

NT-12/16//20S; NT-12/16/20SE

P40

Dinosaur Electric Alternative

Reviews

(20 reviews) Write a Review

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1
Bad board

Posted by Thadkeehn@yahoo.com on Feb 4th 2025

It isn't working must have been broken in shipping
3
Motherboard

Posted by Phillip on Jan 14th 2025

Reasonably easy to remove and install and works well. Good longevity will improve it’s rating but I just got it.
5
Worked as intended

Posted by C.C. RV Repair on Nov 24th 2024

For the model I repaired furnace SF30FQ I had to move the cables to I had more slack to reach the side of the board, the OEM product in this model has the 4 pin connector on the "bottom" of the control board. Other than that slight modification the board worked exactly as it should have. Happy Customer.
5
Purchase

Posted by Terri Givler on Nov 9th 2024

We purchased a circuit board for our furnace. It was delivered in 3 days. That was not the problem unfortunately, but they were very helpful in helping us diagnose the issue. I recommend this company very highly
5
Board

Posted by Gary on Oct 29th 2024

Exact fit plug a play , works great so far.
5
Control board

Posted by Kirk on Feb 14th 2024

Ezpz plug and play works great
5
Circuit board

Posted by Holly Harpster on Dec 4th 2023

Parts description gave enough information to help me purchase the correct part. This resolved the problem.
5
Control board

Posted by Ricky Sampson on Nov 15th 2023

Furnace would not heat. After a quick test with unit out of the trailer found the original board not working. Ordered the new one and it was very easy and quick to replace. Tested again and furnace lit and heated up right away
5
Module

Posted by Victor A. Hoover on Dec 15th 2021

I just purchased this module for my heater and it work perfect I fit in great my heater works now, deliver was fast and easy, I will just add more protection when shipping it came on a small box with almost any wrap around it and knowing how some deliver company don’t care about packages I was a lil concern but other than that great quality product thank you