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600 lbs/hr of condensate
27" water column to prevent nuisance shutdowns and ensure accurate air-flow sensing
the internal diaphragm or SPST contacts have likely failed
or the system "hunting" where pressures fluctuate wildly as the valve fails to modulate correctly
Always verify the actual amp draw with a clamp meter before replacing the breaker
Lochinvar & A.O. Smith 100112660 Pressure Switch 320734-701 600 lbs/hr of condensateThe 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
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