Lennox Armstrong Ducane Furnace Control Circuit Board 86H30 86H3001 Y4749 USD 119.95 Category : Controls & Circuit Boards Seller : 24_7partsinc(39682, 99.1%) | Lennox Armstrong Ducane Furnace Control Board 72H68 72H6801 56G14 56G1401 USD 119.9 Category : Controls & Circuit Boards Seller : 24_7partsinc(39682, 99.1%) |