Lochinvar & A.O. Smith 100208404 Pressure Switch Els PW 29614 factory-standard seal at the connection

factory-standard seal at the connection point

Service technicians can reset the system easily through the thermostat or by cycling the main power

Versatile Compatibility: Standard 1/2" union solder connection facilitates seamless integration into existing copper boiler lines

providing a direct-swap solution for Barber Colman systems without the need for additional 1/4" barb adapters or mounting modifications

Lochinvar & A.O. Smith 100208404 Pressure Switch Els PW 29614 factory-standard seal at the connectionThe 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