Specifications

59
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Atmospheric Vacuum Breaker 35 Series
• 1/4”, 1/2”, 3/4”, 1”, 1
1
/
4
”, 1
1
/
2
”, 2”
• Bronze body
• Lightweight, plastic poppet float
• Temperature range 33°F – 180°F
• Maximum pressure 125 psi
• ASSE
®
Listed 1001, IAPMO
®
Listed, CSA
®
Certified
Model 35 FNPT x FNPT end connections
Model 35CH Rough chrome finish (1/2” only)
Model 35VCH Vertical inlet and outlet connections, rough
chrome finish (1/4” only)
For Additional Information, reference WK-BPC catalog or visit
our web site.
OptionsTypical InstallationX Ref Features
The Wilkins model 35 vacuum breaker is an economical way of preventing contaminated
irrigation water from entering the potable supply due to backsiphonage. The 35’s bronze
construction ensures that the vacuum breaker will provide years of service in any irrigation
system. Other applications include janitor mop sinks.
 Water hammer arrestor (Model 1250)
Local codes shall govern installation requirements. To be installed in accordance with the manufacturers’ instructions and the latest edition of
the Uniform Plumbing Code. Unless otherwise specified, the assembly shall be mounted at a minimum of 6” (150mm) above the highest point
of discharge with sufficient side clearance for maintenance. Because the Model 35 is not to be used under continuous pressure, never place a
shut-off or check valve downstream of the device. The installation shall be made so that no part of the unit can be submerged.
Accessories Applications
MODEL 35
SUPPLY
VALVE
SPRINKLER
DIRECTION OF FLOW
6" MIN. ABOVE
HIGHEST OUTLET
DIRECTION OF FLOW
MODEL 35CH
6" MIN. ABOVE
HIGHEST OUTLET
WILKINS WATTS CONBRACO FEBCO
35 288A 38-100 710, 715
Backflow Preventers