Do-It-Yourself Irrigation Inc.
Do-It-Yourself Irrigation Inc is your best source for Lawn Sprinklers, Lawn Irrigation Supplies, Irrigation Parts, Landscape Lighting, Well Pumps, Wire, Backflow Prevention, Pond and Lake Fountains as well as Irrigation and Landscape Lighting Design. and Instruction.


Backflow Prevention

Watts 007M2



    • Modular construction
    • Replaceable seats
    • Captured springs
  • No special tools required for servicing
  • Top access, single cover

Designed for protection of the potable water supply in accordance with national plumbing codes. For non-health cross connections and continuous pressure applications. Standardly furnished with ball type test cocks and quarter-turn full port resilient seated bronze ball valve shut-offs.

Tee handle shut off. Supply pressure up to 175 PSI. Water temps. to 140F constant and 180F intermittent.

Watts 007M3-QT 3/4 inch--------------------------$129.99-----Quantity
Watts 007M3-QT 1inch-----------------------------$137.99-----Quantity
Watts 007M3-QT 1 1/2 inch-----------------------$345.99-----Quantity
Watts 007M3-QT 2 inch ----------------------------$298.99-----Quantity

Watts 009QT Reduced Pressure Zone Backflow Preventers


Designed to protect potable water supplies in accordance with national plumbing codes and water authority requirements.Protection from health hazard cross-connections or containment at the service line entrance.


For continuous pressure use; protects against both back siphonage and backpressure backflow.


NPT female connections, quarter-turn, full port, resilient seated bronze ball valve shutoffs.
Tee handle shutoffs,Sizes.
Two in-line, independent check valves with intermediate relief valve.
Standard ball type test cocks.
For supply pressures up to 175 psi (12.1 bars).
Water temperatures are 33F (0.5C) to 180F (82C).

Watts 009QT 3/4 inch------------------------------$269.99-----Quantity
Watts 009-QT 1 inch--------------------------------$279.99-----Quantity

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Lawn Mowing Tips:

Check your soil acidity
The correct Potential of Hydrogen (PH) of your soil, is important for a green, healthy lawn