specifically models from Bryant and Payne

monitoring negative air pressure and only allowing the ignition signal to pass when the system reaches its defined operational range

2" WC and 0

meaning it is engineered to open the electrical circuit at 135

Trane BLW1321 Draft Blower Els PW 29614 specifically models from Bryant andThe Trane BLW1321 Draft Blower is a critical induced draft motor designed for precision venting in furnace and air handling systems. Operating at 115V with a 1 50HP output, this centrifugal blower manages the removal of combustion gases from the heat exchanger to ensure safe and efficient ignition cycles. As a direct replacement for BLW0572, this unit maintains the exact mounting footprint and electrical specifications required for quick field swaps,