A hose bibb (outdoor faucet) is used to attach a hose for cleaning. What device is commonly installed to prevent backflow at that connection?
a.A kitchen grease interceptor (grease trap)
b.A perforated warewashing floor drain
c.A vacuum breaker (backflow prevention device)
d.A dishmachine supply pressure gauge
Explanation
A hose connection is a common backflow risk, so an approved backflow prevention device such as a vacuum breaker is installed to stop contaminated water from being siphoned back into the potable system. When a permanent air gap is not feasible, a mechanical device like a vacuum breaker is the accepted protection. A grease trap intercepts fats leaving the waste line, a floor drain carries water away, and a pressure gauge only reports pressure — none of them blocks reverse flow into the supply.
Law Reference: FDA Food Code §5-203.14Practice all 500 questions free — no signup required.
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