Lochinvar & A.O. Smith 100224394 Pressure Switch 323080-701 When should a technician replace

When should a technician replace the casting rather than the entire unit

maintaining the explosion-proof seal during routine service

Each kit includes a pre-installed natural gas orifice and a separate LP gas orifice for field conversion

the board will not initiate defrost correctly regardless of its condition

As the direct replacement for S1-025-49718-000

Lochinvar & A.O. Smith 100224394 Pressure Switch 323080-701 When should a technician replaceThe 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