Lochinvar & A.O. Smith 100208383 Pressure Switch Proper installation requires verifying the

Proper installation requires verifying the tubing connections are clear of moisture or debris to ensure accurate WC pressure settings and reliable equipment uptime

25 thread size simplifies installation into existing 14mm ports without the need for adapters or specialized tooling

Is this blade compatible with other 5-blade fan motors

verify dimensions as specifications may differ

Using it on smaller units may cause misalignment

Lochinvar & A.O. Smith 100208383 Pressure Switch Proper installation requires verifying theThe Lochinvar and A. O. Smith 100208383 Pressure Switch is a critical safety component designed for high efficiency water heaters and boiler systems. This SPST (Single Pole Single Throw) switch is calibrated to a 5. 30" WC (Water Column) set point, ensuring precise monitoring of combustion blower performance and venting pressure. Often referenced by legacy part numbers PRS20020 and PRS20020K, this OEM replacement pressure switch ensures the system