40" WC rating of the original equipment

The integrated pneumatic pulse width modulation technology allows for rapid response times

Can these gauges be calibrated if the zero point shifts

it features a rugged diaphragm actuator housing capable of withstanding a 25 PSI maximum control pressure

Lochinvar & A.O. Smith 100271883 Pressure Switch 321894-708 40" WC rating of theMaintain peak combustion safety with the Lochinvar & A. O. Smith 100271883 Pressure Switch, a critical OEM component designed for low gas pressure monitoring. As a veteran grade K low gas pressure switch, this device acts as an essential safety interlock, continuously sensing the inlet gas supply to ensure it meets the minimum operational threshold of approximately 3. 1" W. C. If the supply pressure drops below the setpoint, the internal contacts