Duct Airstat

Duct Airstat

Model PS1503 - Made in the USA!

Duct Airstat senses positive pressure in a forced air heating and/or cooling system. The single pole, single throw, snap-acting switch is activated by a diaphragm with integral pressure probe inserted directly into the duct or plenum. The Duct Airstat can be used to initiate such auxiliary devices as: Duct Boosters, Electronic Air Cleaners, Electrical Duct Heaters, and Humidifiers. The electrical contacts of the switch are closed upon sensing positive air pressure generated by the blower.

Specifications:

Electrical Rating:
278 VA Pilot Duty at 24 Volts AC
300 VA Pilot Duty at 115 to 277 Volts AC
15 AMPS Non-Inductive to 277 Volts AC

Electrical Switch: SPST, N/O, Snap Action Contacts, Non Adjustable
Operating Pressure/Position: On pressure rise at +.05 + .02” W.C. (Diaphragm Vertical)
Maximum Pressure: 1/2 PSI
Operating Temperature Range: -40 to 1900 F.
Operating Position: Diaphragm must be vertical
Pressure Probe: Self-sealing, integral pressure probe
Dimensions: 5” Diam., 5 1/2” Across Bracket, 3” High

Download the Instruction Manual