General Filters 7021 Air Pressure Proving Switch, 0.5 In. Wc. Setpoint, 2-3/5" Overall Length, 1-3/5" Overall Height, 2-11/20" Overall Width
General Filters 7021 Air Pressure Proving Switch, 0.5 In. Wc. Setpoint, 2-3/5" Overall Length, 1-3/5" Overall Height, 2-11/20" Overall Width
General Filters 7021 Air Pressure Proving Switch, 0.5 In. Wc. Setpoint, 2-3/5" Overall Length, 1-3/5" Overall Height, 2-11/20" Overall Width

General Filters 7021 Air Pressure Proving Switch, 0.5 In. Wc. Setpoint, 2-3/5" Overall Length, 1-3/5" Overall Height, 2-11/20" Overall Width

General Filters 7021 Air Pressure Proving Switch, 0.5 In. Wc. Setpoint, 2-3/5" Overall Length, 1-3/5" Overall Height, 2-11/20" Overall Width

Manufacturer: General Filters
Brand: General Filters
Part #: 383978
MPN: 7021
Customer Part #:
Min. Order Qty: 1
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Overall Height      :      1-3/5 "
Overall Length      :      2-3/5 "
Overall Width      :      2-11/20 "
Setpoint      :      0.5 in. wc.
Suitable For Use With      :      Steam Kits, Humidifiers

Prevents operation of the humidifier if there is no air flow in the duct, thereby preventing moisture buildup in the duct system. Range: 0.5" W.C.For steam kits and humidifiers

General Filters Air Pressure Proving Switch, 0.5 In. Wc. Setpoint, 2-3/5" Overall Length, 1-3/5" Overall Height, 2-11/20" Overall Width

  • Prevents humidifier operation when there is no airflow in the duct.
  • Helps prevent moisture buildup within the duct system.
  • Features an activation pressure setpoint of 0.5 inches water column.
  • Senses furnace operation to control humidifier power.
  • Compatible With: Steam kits and humidifiers.