An air compressor check valve has only one function: to let air flow from one side to the other, while blocking air flow in the opposite direction. If you hold the check valve in your hand and …

Prevent air from escaping an air storage tank when the air compressor is not running. These valves install on the inlet of a tank. They open to allow airflow into the tank and close when …

Jan 11, 2019 · Air compressor check valves can cause problems with your compressor. Learn about the check valves types, their functions, locations, and how to troubleshoot them.

Jul 30, 2022 · Where is a check valve located in an air compressor? The check valve is located at the air tank's inlet, where it connects the discharge line from the compressor pump, allowing …

Jan 9, 2025 · Discover the essentials of air compressor check valves, including their types, functions, and maintenance tips for optimal performance. Learn how these crucial components …

Nov 12, 2025 · Is your air compressor struggling to restart? Discover how to diagnose a failing check valve and replace this critical component safely.

Dec 9, 2025 · A check valve for air compressor is a mechanical device that ensures air flows in only one direction. It allows compressed air to move from the pump to the tank, but it …

Jun 6, 2025 · Begin by shutting off the electricity and draining the air tank. Next, disconnect the pressure switch and outlet pressure tube. Apply thread sealant to the fittings that connect the …

Mar 9, 2025 · This small but vital component prevents air from escaping back into the tank when the compressor shuts off. Without a functioning check valve, you could experience pressure …

Aug 5, 2019 · This step-by-step repair guide gives instructions for replacing the check valve on an air compressor. The check valve stops compressed air from flowing back into the pump from …