Locate this valve’s drain cap and open the valve to drain the last of the water left between the irrigation system and the backflow device. If you plan to hire professionals to perform a blow ...

How To Drain Your Irrigation System During Fall To determine the method you should use to drain your irrigation system, identify whether it includes a manual drain valve or an automatic drain ...

7. After you are done blowing out the sprinkler system, turn all the ball valves and petcocks to a 45-degree position so they are half open and half closed. This will allow any remaining water to ...

Close them again once finished. Automatic Draining Some sprinkler systems can automatically drain, which is very useful. All you need to do is turn on the sprinklers while the water is shut off.

The main drain of an automatic sprinkler system is actually the water flow control valve. It's important to test the functioning of this value at least once per year to ensure proper water flow ...

AGF Manufacturing announced the PURGENVENT Air Venting Valves designed to remove excess air from sprinkler pipes for the new NFPA 13 venting requirements. Malvern, PA – July, 2017 – AGF ...

It's usually outside, in the front of your house. Open it up and look for the drain valve. Turn it off by turning the valve to the right. Cover box back up.

AGF revolutionized the fire sprinkler industry with the Model 1000 TESTanDRAIN® single valve inspector’s test which eliminated the time and space consuming traditional loop assembly.