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Backflow Installations and Testing

The risks to drinking water quality from backflow contamination incidents pose a constant threat—whether they’re nuisance, non-health hazards, or serious public health events. Plumbing codes mandate that potable water supplies be protected against backflow at all cross-connections. We offer a wide selection of backflow prevention solutions for any application.

Backflow Testing

RP (Reduced Pressure Zone Assembly) Installations

DCVA (Double Check Valve Assembly) Installations

Backflow Testing

Testing pressure vacuum breakers, anti-spill vacuum breakers, reduced pressure zone assemblies, and double check valve assemblies are required annually by local authorities to insure devices are working properly.  We will test, and repair if necessary, and file the appropriate forms to the local authority for you.

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DCVA (Double Check Valve Assembly) Installations

RP (Reduced Pressure Zone Assembly) Installations

DCVA (Double Check Valve Assembly) Installations

DCVA Backflow device

Series 007 Double Check Valve Assembly Backflow Preventers are designed to prevent the backflow of contaminated water into the potable water supply.  Series 007 is ideal at referenced cross-connections identified as non-health hazard applications. Check with local inspection authorities for installation requirements.

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RP (Reduced Pressure Zone Assembly) Installations

RP (Reduced Pressure Zone Assembly) Installations

RP (Reduced Pressure Zone Assembly) Installations

RP back flow device

Series 009 reduced pressure zone assembly backflow preventers are designed to prevent the reverse flow of polluted water from entering into the potable water supply due to backsiphonage and or backpressure.  Series 009 is ideal for protection of health hazard cross-connections or for containment at the service line entrance. Check with local water authorities for installation requirements.

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Silver Knight Heating & Plumbing

#106 - 2244 Sooke Rd Victoria, BC V9B 1X1

1-250-507-5622

Fireplaces • Furnaces • Water Heaters • On Demand • Boilers • Firepits • Emergency Plumbing • Drain Camera • Drain Cleaning


Central Saanich • Colwood • Esquimalt • Highlands • Langford • Metchosin • North Saanich • Oak Bay • Saanich • Sooke • Victoria • View Royal


Gas Contractor License LGA0205941


Copyright © 2023 Silver Knight Heating & Plumbing - All Rights Reserved.

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