Trump is taking aim at water supplies for an endangered fish, but scientists say he’s missing the point. It’s one of ...
the release of which (from the open sprinklers) permits the water pressure to open a valve known as a dry pipe valve. The water then flows into the piping system and out the opened sprinklers. A ...
Start by turning off the water supply to the sprinkler system. The shut-off valve should be on the home's side of the backflow preventer. It's common for the valve to be in a box just under the ...