Pay in 4 interest-free payments of $19.64 Learn more
Ships within 48 hours · Estimated delivery Sep 18 - Sep 23
the Lennox 86H55 offers the exact mounting geometry required for seamless field integration
this component helps ensure reliable pressure switch activation and efficient thermal transfer across the heat exchanger
OEM Integrity: A genuine York/Source 1 component ensuring perfect fitment and electrical compatibility with factory control boards
ensuring stable capacitance ±5% throughout its service life
Smith commercial water heaters and hydronic boilers
Weil McLain 381-356-577 Temperature Sensor Els PW 17895 the Lennox 86H55 offers theKeep your heating systems running at peak performance with the genuine Weil McLain 381 356 577 Temperature Sensor. Designed specifically as a boiler supply temperature sensor, this 12K ohm NTC thermistor provides critical feedback to the control module, ensuring high accuracy water trim monitoring and safe operation. This direct replacement component features a 1 2" NPT threaded connection, making it compatible with a wide range of popular hydronic