Reznor 269867 Control Board 318172-701 the Lennox 31J91 is manufactured

the Lennox 31J91 is manufactured from high-grade metal alloys to withstand the thermal stresses found in high-efficiency furnace cabinets

You must rotate the stem to open the service port for gauge access

Rugged Construction: Engineered to handle high temperatures and corrosive flue gases without premature housing failure

Common Installation & Service Questions

it is the designated direct replacement for part numbers 1177217 and BE151840GDD

Reznor 269867 Control Board 318172-701 the Lennox 31J91 is manufacturedThe Reznor 269867 Control Board is a specialized DSI control board 1097 218 designed for high efficiency heating systems. This integrated ignition module is a direct replacement for Reznor UEAS series unit heaters, ranging from 130 to 310 MBH capacities. Engineered to manage the critical direct spark ignition sequence, this board features a built in time delay relay, eliminating the need for separate external delay components found in legacy