This HVAC pressure switch is constructed with a durable housing and high-precision diaphragm to withstand the cycling demands of commercial and residential heating environments

ensuring the union tailpiece is properly torqued preventing leaks is essential for maintaining system vacuum and preventing oxygen-induced corrosion

note that re-pipping may be required to accommodate minor physical footprint variations or line sizing

drop-in compatibility is critical to minimize labor hours

Lochinvar & A.O. Smith 100208659 Float Switch Els PW 29614 This HVAC pressure switch isThe Lochinvar & A. O. Smith 100208659 Float Switch is a critical safety component designed for high performance water heaters and commercial boilers. Constructed with a 1 1 4" NPT connection, this SPDT float switch (Single Pole Double Throw) serves as a direct replacement for the legacy Lochinvar WTR2080 and 100173706 part numbers. Engineered for precise liquid level control, it facilitates the automatic operation of pumps or alarm circuits to prevent