While primarily designed for room air conditioners and beverage coolers

specifically designed for precise differential pressure sensing in Bard wall-mount units

Robust Safety Features: Built-in 10

including the TS-8000 and TS-5000 series

Designed to withstand high-temperature environments

Lochinvar & A.O. Smith 100208376 Switch 30067439-890 While primarily designed for roomThe Lochinvar & A. O. Smith 100208376 Switch is a critical safety component engineered for precision air pressure monitoring in high efficiency condensing boilers and water heaters. As an authentic OEM replacement pressure switch, this part is calibrated to a 0. 12" WC (Water Column) set point, ensuring the blower assembly maintains the necessary static pressure for safe combustion. This switch, also identified by part numbers PRS20008 and PRS20008K,