Backflow Testers Course

Parallel installation

Where's the ladder?

Old service entrance

Irrigation tank

CSA approved??

RP on boiler make-up

DCVA now on horizontal

Sprinkler booster pump

RP.s on domestic & DCVA on Sprinkler

HCVB with modifications

DCVA with strong support stand

Sprinkler - DCVA on vertical

RP on domestic service entrance

Domestic water service entrance

DCVA - missing valve

Reduced Pressure Principal (RP)

Sprinkler - Double Check Valve Assembly

No Backflow Preventers