Spirax Sarco 61685 Air Vent Els PW 29614 Occupancy Override: Includes a momentary

Occupancy Override: Includes a momentary push button to signal the controller for after-hours operation or immediate status changes

while the internal pressure regulator maintains a consistent manifold pressure required for efficient LP combustion

depending on local codes and indoor placement

At 120V AC

Spirax Sarco 61685 Air Vent Els PW 29614 Occupancy Override: Includes a momentaryThe Spirax Sarco 61685, also identified as the VS204 1 2" NPT, is a high performance balanced pressure thermostatic air vent engineered for rigorous industrial steam applications. As a veteran technician knows, non condensable gases are the enemy of heat transfer; this unit utilizes a precision welded stainless steel bellows to automatically purge air from steam mains and high point headers. Built with a rugged cast iron body (ASTM A126 Class B) and