Spirax Sarco 61685 Air Vent Freon Common Questions: Will this fix

Common Questions: Will this fix a "Pressure Switch Stuck Open" error

as older units may require using the crimp-on adapters included with the assembly

Can I use 107408 on high-pressure steam sensors

Built to exact OEM specifications

Common Questions: Can the differential be adjusted on this model

Spirax Sarco 61685 Air Vent Freon Common Questions: Will this fixThe 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