vacuum breaker cap
#1
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vacuum breaker cap
What is the purpose of the cap on top of a silcock. I think its the vacuum breaker but I am not clear what the cap is all about. Should it be reefed tight?
#2
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When I lived in central fla they were mandated, best I could understand their sole purpose was to prevent any water from siphoning back into the water system thru a garden hose. IMO they serve no real purpose. One of the plumbers should be along later with better info for you.