Versatile Shaft Range: Clamps securely onto 3/4 inch round shafts and can also accommodate square shafts up to 5/8 inch

is engineered specifically for use in specialized unit heater models

if the outdoor unit is failing to initiate defrost or staying in defrost too long

Verify your actuator prefix before ordering

York S1-024-34685-000 Pressure Switch Els PW 17895 Versatile Shaft Range: Clamps securelyThe York S1 024 34685 000 Pressure Switch is an essential OEM safety component engineered for precise monitoring of the inducer draft and combustion venting cycles. This normally open (N O) pressure switch is factory calibrated with a multi stage setpoint configuration of . 75 1. 1 . 4 in. WC (Inches Water Column). By verifying that the draft inducer motor is moving a sufficient volume of air to safely exhaust combustion gases, this furnace air