Low Air Pressure Switch

Its main job is monitor the pressure of the refrigerant on both the low and high pressure sides of the system.

Low air pressure switch.

55 1 57 oz 34 29 34 29. Only leaking air conditioning systems have low refrigerant levels. 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. The ps40 switch is factory set for 40 psi 2 8 bar normal system pressure.

This protects the compressor from damage. Refrigerant does not wear out or evaporate. When air pressure falls below a predetermined minimum the switch will close to turn on a warning buzzer and or lamp. Dry pipe systems pre action air nitrogen supervision pressure tanks air supplies and water supplies.

If the pressure is tool low then the risk is that the compressor can burn out. An automotive air conditioner s pressure switch cycles the vehicle s compressor on and off when the refrigerant pressure falls below an acceptable level. Rely on grainger for a wide range of duct pressure switch options. The low pressure indicator is installed in the truck s service brake system.

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. Get it as soon as fri sep 25. Cdn 39 78 cdn 39. 3 9 out of 5 stars 5.

This is actually very important because if the pressure is too low or too high it can cause serious damage to the ac system. 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. An air switch senses positive negative or differential air pressure and actuates an internal switch. 4 6 out of 5 stars 46.