backflow preventer


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backflow preventer

[′bak‚flō pri′ven·tər]
(engineering)

backflow preventer

backflow preventer for a hose connection
A device used to prevent water (or other liquids) from being siphoned into a potable water system.
References in periodicals archive ?
FS#1 reported that high chlorine levels did not reoccur after the final backflow preventer was installed on August 2.
The introduction of their Backflow Preventer Security Cage has proved to not only be a deterrent to theft, but also a long term money saver for property owners.
Backflow preventers are an important health and safety device.
Backflow preventer protects your household water from accidental contamination.
1 REMOVE the backflow preventer to gain access to the floor drain trap for cleaning.
project consists of meter changed out, installation of radio transmitter on a water meter, upgrade existing manual read address with a new touchpads and radio transmitters, install new or replace a backflow preventer o a residential service, supply and install tailpieces and flanges, supply and install a building control valve, supply and install a touchpad including connection to the meter, supply and install 22 gauge 3 or 4 conductor wire, minor carpentry.
Replace a domestic water service backflow preventer with an approved backflow preventer.
a new backflow preventer is proposed to be constructed in the water room located inside the existing building.
Tenders are invited for backflow preventer testing and/or repairs for the department of environmental management.
Tenders are invited for sprinkler system inspection/testing and fire system backflow preventer test.
OWNER ), hereby gives notice that bids will be received from qualified contractors to provide fire alarm, sprinkle system and backflow preventer inspection and repairs for facilities located at MidAmerica St.
There Are Approximately A Count Of 400 Backflow Preventer Devices Owned By The City Of San Jose.