The anti-siphon valve was invented in the early 1920s by Gerald Bohn, one of two brothers who founded Preferred Utilities Manufacturing in Danbury. The Bohn brothers were engineers who started the ...
: I have a problem with my sprinkler system. At the front of my house are two sprinkler pipes that come out of the ground and are connected by some type of valve. This valve is leaking and I need to ...
Q: I have a problem with my sprinkler system. At the front of my house are two sprinkler pipes that come out of the ground and are connected by some type of valve. This valve is leaking and I need to ...
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