Features
The 636 board is a direct replacement for the old Apollo 635 control board.
Warranty: Full Two Year Manufacture Limited Warranty.
Discover More Best Sellers in Furnace Parts & Accessories
Shop Furnace Parts & Accessories
Furnace Parts & Accessories - Filtrete 20x25x1 AC Furnace Air Filter, MERV 11, MPR 1000, Micro Allergen Defense, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 2 Pack (Actual Size 19.688 x 24.688 x 0.84 in)
Furnace Parts & Accessories - Filterbuy 18x20x1 Air Filter MERV 8 Dust Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 17.50 x 19.50 x 0.75 Inches)
Furnace Parts & Accessories - Filterbuy 20x20x1 Air Filter MERV 8 Dust Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 x 19.50 x 0.75 Inches)
Heatilator & Heat-N-Glo Natural Gas Pilot Assembly 4021-736
Furnace Parts & Accessories - Heatilator & Heat-N-Glo Natural Gas Pilot Assembly 4021-736
Furnace Parts & Accessories - AIRx Filters Allergy 20x25x1 Air Filter MERV 11 Pleated Furnace Filter HVAC AC Filters - Made in the USA - Box of 6
Furnace Parts & Accessories - 20x25x4 MERV 10 (FPR 5-6) 4" Inch Pleated Air Filters By Glasfloss. Box of 3. Actual Size: 19-1/2 x 24-1/2 x 3-3/4
Furnace Parts & Accessories - Honeywell Home 16x25x4 MERV 8, AC Furnace Air Filter, 1 PACK (CF408F1625-1PKAM)(Actual Dimensions: 15.63 x 24.75 x 4.38 in.) 1 Filter
Furnace Parts & Accessories - UBeesize 20x20x1 Washable Air Filter - Reusable, Permanent, Electrostatic - Lasts a Lifetime - Enjoy Fresher Air in Your Home and Office HVAC AC Furnace Systems (Actual Size: 19.75"x19.75"x0.86")
Furnace Parts & Accessories - WAWINY Air Vent Filter Kit - 20" x 90" Cut to Fit Air Filter Materials MERV 8 Electrostatic Media Roll for Home Floor, Ceiling, AC, HVAC, RVC Furnace Vents, With 48PCs Adhesive Hook Tape

