1 W.C. - 4 W.C. Air Switch

Series RSS-498-13 Air Sensing Switch Kits contain compact, economical Series RSS-498 switches designed for residential furnace and light commercial after-market applications. The RSS-498 switches have an adjustable set point range of 1.0"w.c. to 4.0"w.c.(They have been factory set to actuate on a pressure rise of 1.0"w.c.) The field adjustability makes these switches ideal for after-market residential furnace applications and electronic air cleaners and humidifiers.