Lochinvar & A.O. Smith 100109933 Switch R-410A 6 Cv ratings to ensure

6 Cv ratings to ensure accurate medium-flow modulation

serving as the "brain" that coordinates between the ambient sensors and the reversing valve to clear coil frost effectively

It handles a wide performance range

maintaining the same 120-second timing and manual reset logic

Lochinvar & A.O. Smith 100109933 Switch R-410A 6 Cv ratings to ensureThe Lochinvar & A. O. Smith 100109933 Blocked Inlet Switch is a critical safety component designed for high efficiency water heaters and boilers. Engineered to monitor atmospheric pressure within the combustion air intake, this OEM replacement pressure switch ensures the burner operates within safe pneumatic parameters. This specific blocked inlet switch kit is calibrated to a set point of 0. 77" Water Column, effectively detecting restricted airflow