Presair - Tinytrol Mini Air Switch, SPDT, 21A, Momentary, TVM111A

PresAirTrol Tinytrol SPDT miniature Momentary Action air switch TVM111A with 1/2"" Threaded Mount and lock ring nut, and a Center Air Spout. SPNO, single pole, normally open. Momentary air switches stay On only while the button is pushed down, when released, the device turns Off again. Used on an air actuated spa control systems, controls two devices. Tinytrol momentary latch air switches are recommended for air hose runs of less than 35 ft. 3 wire terminal connections on this general hot tub air switch - common (always used), NO normally open (usually used) and NC normally closed (not normally used). Connects with 1/8"" air hose, sold separately.