Designed for heavy-duty service in potable water systems

High Flow Capacity: Supports up to 295

always verify your unit's serial and model number against the technical manual

excessive noise during cycle transitions

This non-relay type thermostat operates with a direct acting control signal

Lochinvar & A.O. Smith 100224394 Pressure Switch 320819-301 Designed for heavy-duty service inThe Lochinvar & A. O. Smith 100224394 Pressure Switch is a critical safety component designed for high efficiency water heaters and HVAC systems. This air pressure switch is factory calibrated to a 1. 66" WC (Water Column) setpoint and features a Normally Closed (N. C.) contact configuration. As an essential part of the combustion blower assembly, this OEM replacement part monitors the negative pressure generated by the inducer fan to ensure proper