Pay in 4 interest-free payments of $36.86 Learn more
Ships within 48 hours · Estimated delivery Sep 9 - Sep 14
This liquid line service valve is designed for 5/8-inch outer diameter (OD) tubing
This balanced port valve includes an integral check valve
as well as 2-1/2" to 4" valves using VA-3200 actuators
Retrofit Compatibility: Designed with a standoff mounting plate to replace legacy liquid level controls with minimal rewiring
Lochinvar & A.O. Smith 100208400 Pressure Switch 319825-402 This liquid line service valveThe Lochinvar & A. O. Smith 100208400 Pressure Switch is a critical OEM safety component engineered for high efficiency condensing boilers and commercial water heaters. This low air pressure switch is factory calibrated to a precise 3. 20" WC (Water Column) set point, ensuring the inducer motor maintains proper static pressure before allowing the ignition sequence to proceed. Designed as a direct replacement for PRS2436 and 100166181, it integrates