3/4" , 1", 1 1/2", 2"
The DHC was a double check assembly produced from approximately 1960 to 1976. The body is of bronze construction and has a modularized in-line check design. Check seats were replaceable and the design utilized contained springs when the cover was removed. Spring tension had to be released to perform a proper repair.
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.