Series RSS-495-421 Air Sensing Switch Kits contain compact, economical Series RSS-495 switches designed for residential furnace and light commercial aftermarket applications. The RSS-495 switches have an adjustable set point range of 0.20''w.c. to 1.0''wc. (They have been factory set to actuate on a pressure rise of 0.20''w.c.) The field adjustability makes these switches ideal for numerous residential and light commercial HVAC applications.The thermoplastic housing contains a diaphragm and snap-acting switch. Barbed sample line connectors on each side of the diaphragm accept flexible tubing. The electrical connection consists of male quick connect terminals.
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