specialized low-temp seals

use a manometer to verify the exact "inches of water column" at which the contacts change state

the Mueller W01072 is rated for 700 PSI

do not attempt to use this valve with LP gas without the correct orifice and spring modifications

it features a 1/2" NPT inlet and outlet

Armstrong International B4930 Air Vent Els PW 29614 specialized low-temp sealsThe Armstrong International B4930 Air Vent, also known as the TV 2 Thermostatic Air Vent, is a high performance industrial solution designed for the efficient removal of air and non condensable gases from steam systems. Featuring a rugged 1 2" NPT connection and a durable cast iron body, this balanced pressure thermostatic air vent is engineered to withstand operating pressures up to 125 PSI. By utilizing a precision engineered stainless steel