Lennox 13W13 Blower Relay 321142-301 Fail-Safe Security: Robust internal spring

Fail-Safe Security: Robust internal spring return mechanism ensures the valve returns to the normally open position upon loss of power

and GE units

This #42 drill size orifice is factory-calibrated to deliver approximately 25

allowing for either CW or CCW orientation

It requires a continuous 24V signal from the thermostat or control module to remain in the open position

Lennox 13W13 Blower Relay 321142-301 Fail-Safe Security: Robust internal springThe Lennox 13W13 Blower Relay is a genuine OEM 24V furnace fan control relay designed for precise blower motor activation in residential and light commercial HVAC systems. This HVAC blower relay replacement serves as the critical switching interface between the low voltage thermostat circuit and the high voltage blower motor, ensuring the fan cycles correctly during heating and cooling demands. Engineered to exact factory specifications, the Lennox