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You Are Here: Front Page » Air Compressor Parts: Belts, Filters, Regulators & More » RolAir Air Compressor Parts » Rol-Air Portable Compressor Parts » Rol-Air Portable Compressor Parts » Rol-Air Gas Belt-Drive Parts » 4090NylonLine Pilot Valve Line MASTERTOOLREPAIR.COM

Pilot Valve Line 4090NylonLine $12.30

Rol-Air Gas Belt-Drive Parts

Product Details

Found under the following brands: Grip Rite, Master Force, Rol-Air
Part Number: 4090NylonLine

Description: Flexible nylon line to replace your kinked copper line. Includes fittings.

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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This item fits the following models:

Air Compressor Parts - 4090HK17, 4090K17
Air Compressor Parts - 6590HK18, 6590RK18



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