Lochinvar & A.O. Smith 100208404 Pressure Switch R-410A Standardized Fit: 3/4" FNPT ports

Standardized Fit: 3/4" FNPT ports allow for seamless integration into existing commercial steam valve headers

contractors can ensure exact fitment and electrical compatibility

F temperature setting

Utilizing a durable housing and precise calibration

Lochinvar & A.O. Smith 100208404 Pressure Switch R-410A Standardized Fit: 3/4" FNPT portsThe Lochinvar & A. O. Smith 100208404 Pressure Switch is a critical safety component designed for high efficiency water heaters and boilers. As a genuine OEM replacement part, it is functionally identical to the PRS2704, ensuring a precise fit and reliable performance for troubleshooting blocked flue or venting issues. This differential air pressure switch monitors the pressure across the combustion blower to verify proper airflow before allowing the