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Pilot Unloader Valve $60.39


Product Details
131B2 - Pilot Unloader Valve

Found under the following brands: Grip Rite, Master Force, Rol-Air, Norgren

This Pilot Valve has an Unloader port included, which vents the air when the unit reaches max PSI and "unloads" the pump, so that the air vents into the atmosphere. The knurled knob on top is turned to allow the unit "dual control" operation, which allows the unit to run in "stop/start" mode or "constant-run" mode. NOTE: Please notate if this is used on a constant-run system with head unloaders or not, when ordered.

The pilot/unloader valve controls the airflow from your pump to your tank, and also controls your engine speed, together with the throttle/idle control valve. It acts as the “brain” of your compressor. The valve pressure settings (cut-in and cut-out pressures) is almost always pre-set at the factory, but these settings are also adjustable. Replace if it leaks, chatters, or no longer cuts the unit in or out at the required pressure. There are many types and configurations of pilot valves: some have built-in check valves and unloader ports, depending on the configuration of the unit.

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Save Money When You Buy Two Or More!

Buy an extra Pilot Unloader Valve to have a backup if it breaks in the future now before the manufacturer discontinues this. Not only will you save money on shipping by buying an extra one now, you'll now also receive a special quantity discount.

Buy two for a 10% discount!
Buy three for a 15% discount!
Buy four or more for a 20% discount!
Buy six or more for a 25% discount!

Extra Details

If you're a contractor and put heavy demands on your electric air compressor, consider the "187" Dual Control Kit!

A "dual control" kit modifies your air compressor so it can operate in either "stop/start" mode or "constant-run" mode. If you're on the job and have a quick task to accomplish that doesn't require much air, then stop/start mode is sufficient. However, if you're using your compressor all day and have demanding requirements on it, you should operate the unit in constant-run mode, which will keep the motor running when it reaches max PSI. When this happens, air is "unloaded" through a vent port on the side of the Pilot Valve. until more air is called for, which then "loads" the pump to start pressurizing the air tank(s) again. Because the unit isn't constantly stopping and starting, this saves your motor and capacitors!

Click here to view the 187 Dual Control Kit

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