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including those manufactured by Honeywell
Common Questions: Will this fix a "Pressure Switch Stuck Open" error
The DP contactor frame size is optimized for space-constrained electrical panels
Common Questions: Can the differential be adjusted on this model
Spirax Sarco 61685 Air Vent Freon including those manufactured by HoneywellThe 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
