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Best pressure vacuum breaker assembly
1. Wilkins 3/4" 420 Freeze Resistant PVB Pressure Vacuum Breaker Assembly Backflow Preventer 34-420 with Integral Anti-Freeze Relief Valve
Feature
Sold on Amazon2. FEBCO 765 3/4' PRESSURE VACUUM BREAKER COMPLETE DEVICE
Feature
3/4" 765DBV FEBCO 3/4" Press Vac Breaker3. 1 in Bronze Anti-Siphon Pressure Vacuum Breaker, Quarter Turn Shutoff, Tee Handles
Feature
Bronze body for durabilityDesigned for minimum head loss
Female NPT inlet and outlet with quarter turn shutoffs
Internal parts serviceable in line from top of unit
4. 1 in Pressure Vacuum Breaker Vent Float Kit
Feature
Factory replacement kitNo special tools required for servicing
All parts are made of high quality materials
Genuine and original Watts parts
5. Wilkins 34-975XL2 3/4-Inch Lead Free Reduced Pressure Backflow Preventer
Feature
Wye pattern design for short lay lengthShort lay length eases replacement labor costs
If installed indoors, the installation will be supplied with an air gap adapter and integral monitor switch.
6. Wilkins 1-975XL2 Backflow Preventer
Feature
Wye pattern design for short lay lengthShort lay length eases replacement labor costs
7. Wilkins 34-975XL Reduced Pressure Zone 3/4-Inch Backflow Preventer
Feature
Connection: FNPT X FNPT - Body Material: BronzeTemp. Range: 33 Degrees to 180 Degrees F
Max. Pressure: 175 psi - Width: 6-1/4" - Length: 17-3/8"
Standards: ASSE 1013, Foundation for Cross Section Control and Hydraulic Research At USC
Compliance: IAPMO, CSA, UL, C-UL, AWWA C511
8. Zurn 34-720A Wilkins Pressure Vacuum Breaker 3/4-Inch Assembly
Feature
Maximum working water pressure 150 PSIMaximum working water temperature 110 DegreeF
Hydrostatic test pressure 300 PSI
End connections threaded ANSI B1.20.1
All bronze body and bonnet construction
Standards Compliance: ASSE Listed 1020, IAPMO Listed, CSA Certified
Main valve body: Cast Bronze ASTM B584
Fasteners: Stainless Steel, 300 Series
Elastomers: Silicone (FDA approved), Buna Nitrile (FDA approved)
Polymers: Polypropylene (FDA approved), Delran (FDA approved)
9. Zurn 3/4" 710 Pressure Vacuum Breaker Assembly (34-710)
Feature
Protects against backsiphonage where a potential high health hazard exists.Features fewer parts with a lightweight, compact body.
Ideal for space limited applications.
Universal low-cost repair kits work in both the 3/4" and 1" assemblies.
IAPMO & ASSE Listed 1020
10. Zurn 1" 710 Pressure Vacuum Breaker Assembly, Model Number: 1-710
Feature
Protects against backsiphonage where a potential high health hazard exists.Features fewer parts with a lightweight, compact body.
Ideal for space limited applications.
Universal low-cost repair kits work in both the 3/4" and 1" assemblies.
IAPMO & ASSE Listed 1020