this diaphragm provides the reliable seating force required for restricted-space installations

The Lennox 58W01 Blower Assembly is the exact OEM replacement required to restore the pressure differential needed to close the circuit on the pressure switch

Constructed with a high-impact ABS case and a glass-passivated thermistor sensor

The crystal-clear viewing lens features a highly sensitive moisture indicator element that changes color based on the parts-per-million (PPM) of water concentration in the system

Industrial-Grade Construction: Features NPT threaded ports for gas-tight seals and high-durability solenoids to prevent premature coil failure

Reznor 220781 Venter Assembly Els PW 17895 this diaphragm provides the reliableThe Reznor 220781 Venter Assembly is a critical replacement component engineered specifically for high efficiency Reznor unit heaters. Operating at 208 230V, this draft inducer blower is designed to facilitate proper combustion air flow and exhaust gas removal, ensuring the furnace maintains optimal pressure switch cycles and heat exchanger integrity. For contractors performing maintenance or repairs on Reznor UDAP or UDAS series heaters, this