Low Air Pressure Switch

4 6 out of 5 stars 46.

Low air pressure switch.

If the pressure is tool low then the risk is that the compressor can burn out. An air switch senses positive negative or differential air pressure and actuates an internal switch. Cdn 39 78 cdn 39. The low pressure indicator is installed in the truck s service brake system.

This is actually very important because if the pressure is too low or too high it can cause serious damage to the ac system. Duct pressure switches automatically start and stop auxiliary devices like electronic air cleaners duct heaters humidifiers exhaust fans and duct booster fans. 3 9 out of 5 stars 5. Rely on grainger for a wide range of duct pressure switch options.

Refrigerant does not wear out or evaporate. Its main job is monitor the pressure of the refrigerant on both the low and high pressure sides of the system. More buying choices cdn 39 57 5 new offers. Fanwayer air pressure switch 90 120 psi pressure switch 1 4 18 npt dc 24v 12v pressure switch air compressor pressure switch 90 psi pressure switch 120psi pressure switch.

The switch marked with the word low is set to operate at a pressure decrease of 10 psi 7 bar at 30 psi 2 1 bar. Square d by schneider electric fsg2j24m4cp 40 60 psi pumptrol water pressure switch with low pressure cut off 4 5 out of 5 stars 399 27 55 27. When air pressure falls below a predetermined minimum the switch will close to turn on a warning buzzer and or lamp. An automotive air conditioner s pressure switch cycles the vehicle s compressor on and off when the refrigerant pressure falls below an acceptable level.

The ps40 switch is factory set for 40 psi 2 8 bar normal system pressure. Get it as soon as fri sep 25. This protects the compressor from damage. Dry pipe systems pre action air nitrogen supervision pressure tanks air supplies and water supplies.