ESP Air Switch - Robertshaw 2374-495 RSS-495-11

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Series RSS-495-11 Air Sensing Switch Kit contains compact, economical switches designed for a residential furnace and light commercial aftermarket applications. The RSS-495 switches have an adjustable set point range of 0.25” W.C. to 1.0” W.C. (they have been factory set to activate on a pressure rise of 0.25” W.C.). The field adjustability makes these switches ideal for aftermarket residential furnace applications, electronic air cleaners and humidifiers