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Feature

Simplified installations with multi-speed fans, in- accessible air handlers, fan motors with voltage or phase different from controlled equipment; eliminated wiring to system fan
Polyester film sail mounted on a micro switch snap switch
Removable spring counterbalances sail to allow mounting in either vertical (up or down) or horizontal air flow
Low air velocity switch operation makes at 250 fpm and breaks at 75 fpm

Description

S688A1007, Honeywell, Inc., S688 Sail Switch