Pay in 4 interest-free payments of $29.36 Learn more
Ships within 48 hours · Estimated delivery Sep 13 - Sep 18
Always match the orifice and assembly to your specific fuel source
Ensure the S1-024-35688-009 part number matches your equipment data plate to guarantee proper harness pinout and rotation logic during installation
Common Questions: How do I know if my ASCO valve needs a rebuild
ensuring minimal bypass when the push down to close mechanism is fully engaged
The edge-connector architecture allows for rapid digital output expansion by bussing power and signal across multiple modules without redundant wiring
Lennox 78W57 Pressure Switch THPU32HP7Y Always match the orifice andThe Lennox 78W57 Pressure Switch is a high precision, factory authorized OEM replacement engineered for draft proving and airflow safety monitoring in Lennox heating and cooling systems. Specifically calibrated to actuate at 0. 27" WC (Water Column), this SPST pressure switch features a 1 4" barb connection for secure integration into existing 24V control circuits. Designed as a direct replacement for Lennox part number 101572 04, it is a critical
US$ 32.95
US$ 30.57
US$ 39.44
US$ 41.23