the B1256559 is the direct factory-authorized upgrade for the discontinued B1256552 and maintains identical electrical specifications

this is a reversible motor

air systems

maintaining a precise 3 degree F fixed differential to prevent frequent equipment cycling

Featuring a 49-foot high-temperature silicon cable

Detroit Radiant TP-36NKIT Heaters Kit R-410A the B1256559 is the directThe Detroit Radiant TP 36NKIT is a comprehensive OEM replacement kit engineered specifically for NG DTH(S) Tube Heaters. Designed for professional field upgrades or repairs, this kit functions as the primary solution for replacing the legacy TP 36 (WR 25K) Valve. The assembly includes a TP 107 Natural Gas Valve (pre set at 3. 5" W. C.), a TP 78D Circuit Board, and the necessary TP 78B wire harness with a TP 390 adaptor. This integration ensures