Herga Air Switch DPDT 21A Alternate Latching ATA211A

Herga PresAirTrol center spout Spa Pump Air Switch, DPDT, 21A, 2 HP at 250 VAC, or 1 HP at 125 VAC, ATA211A is an air operated switch used on older hot tubs and spas, to activate two 2 hot tub pumps, or pump and blower. PresAir DPDT switch is double pole, double throw, with a micro switch and a dummy switch. Latching switch holds the onoff position until air button is pushed again. 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 18 air hose, sold separately. Hergair PresAir air switch ATA211A mounts with self tapping screws.

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