pressure vacuum breaker vs anti-syphon valve?

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  #1  
Old 04-10-10, 08:05 AM
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pressure vacuum breaker vs anti-syphon valve?

I have a pressure vacuum breaker on my sprinkler system (it has a brass bell-shaped top). I didn't get it shut off in time last fall before the first freeze, and it now water gushes all over, so I assume I have to replace it.

I notice that anti-syphon valves are generally cheaper. Are they interchangeable?

Thanks
 
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Old 04-10-10, 03:09 PM
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No don't replace it with new, all you need is a poppitt kit, it sounds like a febco 1" rpavb it is code in most places. you may be able to get the kit on line or at a plumbing supply co. probably a 761 model only about $20 for the kit just take off the 1/4" nut on the bell and unscrew the plastic piece below that bell which is probably what is broke. The plastic breaks before the brass saving you $ good luck!!
 
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Old 04-10-10, 05:09 PM
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Terrific - thanks. It's all soldered in to copper pipe, and no unions, so I wasn't looking forward to replacing.
 
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