Lochinvar & A.O. Smith 100112660 Pressure Switch 320734-701 this transmitter can interface with

this transmitter can interface with most industrial pneumatic controllers

Included ceramic bushings (standard and extra-long)

the 3E4A must be installed in a vertical

27" water column to prevent nuisance shutdowns and ensure accurate air-flow sensing

Lochinvar & A.O. Smith 100112660 Pressure Switch 320734-701 this transmitter can interface withThe Lochinvar & A. O. Smith 100112660 Pressure Switch is a critical safety component designed for high efficiency water heaters and boilers. This 0. 99" WC pressure switch ensures the inducer motor is moving sufficient air and generating the correct draft before the ignition sequence begins. Engineered to prevent hazardous conditions, it acts as a fail safe that locks out the burner if it detects venting blockages or blower failure. This genuine OEM