Zone valve boxes shall be an Amico Alert-1 series. Each recessed zone valve box shall consist of the following components: A steel valve box, an aluminum frame, and a...
Pressure Switches Without Gauges
Pressure Switch for Nitrogen or other 11- 250 psi inert gas services.
Pressure Switch (Pressure and Vac. Without Gauge)
Pressure switches.
Pressure switch with gauge assembly for the medical gas alarm system shall incorporate a U.L. Listed single pole doublethrow snap-action switching element. Electrical...