engineered to provide instant feedback to the control board

You should not mount the enclosing tube more than 90° off the vertical up position to prevent malfunction or debris accumulation

This sensor is a direct replacement for legacy part numbers TST20010K and 100274733

If your line pressure exceeds this

Professionals rely on this DH79 cast iron housing to restore the precise horizontal and vertical sensing required for industrial boiler safety and pump cycling efficiency

Lennox 60L03 Pressure Switch 326010-701 engineered to provide instant feedbackThe Lennox 60L03 Pressure Switch is a critical safety component designed for precise combustion air monitoring in Lennox heat pumps and furnaces. This OEM Lennox part is factory set to a . 80" wc setpoint, ensuring the inducer motor establishes proper static pressure before allowing the ignition sequence to proceed. As a Single Pole Single Throw (SPST) normally open switch, it features a standard 1 4" barb connection for seamless integration with