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.

Wilkins

Backflow Prevention

Model Wilkins 975XL
Reduced Pressure Principle Backflow Prevention Assembly

Wilkins 975XL RPZ Reduced Pressure Principal Backflow Preventer

• Maximum working water pressure 175 PSI
• Maximum working water temperature 180°F
• Hydrostatic test pressure 350 PSI

• Full port QT ball valves (standard)
• ASSE® Listed 1013
• IAPMO® Listed
• UL® Classified (less shut-off valves or with OS&Y valves)
• C-UL® Classified
• CSA® Certified
• AWWA Compliant C511
• Approved by the Foundation for Cross Connection
Control and Hydraulic Research at the University of
Southern California

The Wilkins 975XL Reduced Pressure Backflow Preventer is designed for installation on potable water lines to protect against both backsiphonage and backpressure of contaminated water into the potable water supply.

Wilkins 3/4" 975XL RPZ Backflow ----------- $217.99---Quantity

Wilkins 1" 975XL RPZ Backflow --------------$230.99-- Quantity

Wilkins 1 1/2" 975XL RPZ Backflow--------- $417.99--- Quantity
Wilkins 2" 975XL RPZ Backflow --------------$448.99-- Quantity

 


Wilkins 950 XLT

950XLT.gif
  • Maximum working water pressure...........175 PSI
  • Maximum working water temperature.....180 Degrees Fahrenheit
  • Hydrostatic Test Pressure.........................350 PSI

Designed for installation on potable water lines to protect against both backsiphonage and backpressure of polluted water into the potable water supply.  A tethered test cock cap is provided to protect against fouling caused by insects, dirt and debris.  Assembly shall provide protection where a potential non-health hazard exists.

Wilkins 950 XLT 3/4 inch------------------------- $108.99-----Quantity

Wilkins 950 XLT 1 inch----------------------------$122.99-----Quantity
Wilkins 950 XLT 11/2 inch -----------------------$311.99-----Quantity
Wilkins 950 XLT 2 inch----------------------------$353.99-----Quantity

 
Wilkins 420 Pressure Vacuum Breaker Assembly

420.gif
  • Maximum working water pressure...........175 PSI
  • Maximum working water temperature.....140 Degrees Fahrenheit
  • Hydrostatic Test Pressure.........................350 PSI


Designed for installation on potable water lines to protect against both backsiphonage and backpressure of polluted water into the potable water supply.  Supplied with an integral anti-freeze relief valve to reduce the risk of valve damage under intermittent, non-seasonal freezing conditions.  Designed for use under continuous pressure.   Assembly shall provide protection where a potential non-health hazard exists.

Wilkins 420 3/4 inch----------------------------------------$79.99--Quantity
Wilkins 420 1 inch-----------------------------------------$92.99--Quantity
Wilkins RK12-420 Rebuild Kit for 1/2 - 3/4" 420-$39.99--Quantity
Wilkins RK1-420 Rebuild kit for 1" 420------------$43.99--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