The tjernlund duct airstat senses positive pressure in a forced air heating and or cooling system.
Air pressure switch for duct fan.
Hi murph thank you for your question.
Senses duct pressure via hole in duct between main blower and duct booster fan.
Rated for fan up to 15 amp at 120 volt.
Fan runs for 10 minutes when pressure is sensed in the duct line then shuts off and turns on again as needed automatic pressure switch allows for fully automatic operation of an inline duct fan for supply or exhaust air ventilation systems.
Typically used to activate boosting fans.
Grainger s got your back.
The vortex vtx400p inline blower for 4 in.
Rely on grainger for a wide range of duct pressure switch options.
Tjernlund ps1503 positive air flow pressure switch.
Duct air pressure switch.
Pressure from main blower actuates switch to operate duct booster fan automatically.
Single pole single throw snap acting switch.
Duct pressure switches automatically start and stop auxiliary devices like electronic air cleaners duct heaters humidifiers exhaust fans and duct booster fans.
Duct pressure switches automatically start and stop auxiliary devices like electronic air cleaners duct heaters humidifiers exhaust fans and duct booster fans.
Makes on pressure rise of 05 02 w c.
Duct air pressure switch.
In line mixed flow fan switches and controls.
Pressure from main blower actuates switch to operate duct booster fan automatically.
Easy online ordering for the ones who get it done along with 24 7 customer service free technical support more.
It will automatically turn on and off the vortex vtx400p inline blower as required.
An air switch senses positive negative or differential air pressure and actuates an internal switch.
120 volt 15 amp max.
120 volt 15 amp max.
Looking for tjernlund air sensing switch duct pressure switch type 0 02 differential in.
An air switch senses positive negative or differential air pressure and actuates an internal switch.
Diameter duct has a built in automatic pressure switch that detects when air is flowing through the ventilation duct.
Hope this information helps.
Makes on pressure rise of 05 02 w c.
Senses positive pressure from air handler blower to activate duct booster fans.