Wide Jaw Plumbing Pliers (Spanners & Pliers) - Tools & Electrical Tools

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Some Information about Plumbing and Plumbing tools

A double check valve or double check assembly (DCA) is a backflow prevention device designed to protect water supplies from contamination. It consists of two check valves assembled in series usually with a ball valve or gate valve installed at each end for isolation and testing. Often, test cocks (very small ball valves) are in place to attach test equipment for evaluating whether the double check assembly is still functional.

Some Plumbing DOs and DON'Ts

DON'T - Forget at least twice a year to put a garden hose on the boiler drain at the bottom of your hot water tank and run until the water clears up. Spray this valve with a little oil also. I use WD-40.

DON'T - Forget to check your flu pipe from your hot water tank to the chimney for leakage of fumes.

DON'T - Leave your water valves rust shut. Put some oil on the stem and open and close them a few times. If it leaks at the stem use a crescent wrench and tighten bonnet nut at the handle. Spray a little oil on the whole valve. Keeps from rusting.

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