Lochinvar & A.O. Smith 100170642 Temp Sensor Els PW 17895 For this SPST limit switch

For this SPST limit switch

Whether you are performing a seasonal overhaul or an emergency repair

Designed with a NEMA 1 splice box and high-performance leaded termination

which is essential for accurate aquastat control and BAS system monitoring

eliminating the need for additional capillary tubes and minimizing potential leak points

Lochinvar & A.O. Smith 100170642 Temp Sensor Els PW 17895 For this SPST limit switchThis Lochinvar & A. O. Smith 100170642 Temp Sensor is a critical OEM replacement part designed for high efficiency hydronic systems and commercial water heaters. As a direct successor to the TST30011, this flue temperature sensor (also cross referenced as 100170536 and TST20008) provides real time thermal monitoring of exhaust gases. When installed in Knight XL boilers or A. O. Smith power vented units, it communicates vital data to the control board