Skip to Main Content


Discontinued - Replaced By: LF876V

MasterSeries Configurable Design Double Check Detector Assemblies

MasterSeries 876V Configurable Design Double Check Detector Assemblies prevent the backflow of pollutants that are objectionable but not toxic, from entering into the potable water supply. They are used primarily on fire sprinkler and standpipe systems requiring detection of unauthorized water use. They feature a ductile iron body and should be installed vertically. Maximum Working Pressure: 175psi (12.1 bar).

Select a Model

Select options below to identify the UPC, Order Code, and Repair Kit for a specific 876V

Approval Information

For approval information, please refer to the products specification sheet. For any other information on product certification and documentation information, please visit our certification partner websites: