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Backflow Reference Manual - Cla Val


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27 / 27-4

Sizes

2 1/2", 3", 4", 6", 8", 10"

Description

Both models are a two check pressure vacuum breaker. Production of the Model 27 was from approximately 1975-1990. The Model 27-4 began in 1991 and was discontinued in 2001. The Model 27 consists of a Model D or the DEX double check assembly with a spring loaded air inlet installed on the downside of the #2 check. The serial number is needed to order some repair parts. The Model 27-4 consists of a Model D-4 double check assembly with a spring loaded air inlet installed on the downside of the #2 check.

Details

Common repair parts are a very small subset of the 10,000 plus items BAVCO stocks. Please feel free to contact us direct at 800-458-3492 for pricing on items not listed or backflow prevention devices.