I connected a braided flexible hose to the discharge of my air compressor and used one to connect to the compressor tank and the other to unscrew the end of the discharge hose. at the check valve. Wanted to make sure the hose doesn't squirt right out when I open the drain. I broke the original 90 degree fitting that came with the flexible hose. They proved very helpful and I tried not to hesitate too long.
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