4PC Air Compressor Replacement Parts Brass 1/2" flare x 1/2 Inch MNPT Compressor in Tank Check Valve Kit with Three Different Unloader Tube Fittings 20 SCFM

Additional Details from the Manufacturer

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More features

• The check valve kit is used to prevent compressed air from flowing back from the air tank to the compressor pump. When the air compressor is operating, the check valve is open, allowing compressed air to enter the air tank. When the air compressor reaches cut-out pressure, the check valve closes, allowing air pressure to remain inside the air tank
• The valves check valves are all brass and It comes with 2 different unloader fittings, barbed and push to connect for the 1/4” nylon unloader tubing.
• One piece brass body stainless steel springs construction for long time use. It can be easy to cleaning and repairing. Maximum pressure of 450 PSI and air flow of 20 SCFM.
• 1/2" MNPT tank check valves are used to keep air volume and pressure from escaping back into compressor heads while not operating. Side unloader port: 1/8" female npt threads,This port is used for a unloader line, some compressors do not have this if yours does not you would just plug this port with 1/8" NPT Male Pipe Plug.
• check valve kit is used to replace the check valve on most brands of air compressor. Check your instruction manual to find if this check valve fits your air compressor. 30-day return with no reason.