Zurn RK1-720AB Bonnet Kit Pvb 1/2 to 1 Inch

Product Description

The ZURN RK1-720AB is a replacement bonnet kit designed for the Wilkins 720A series pressure vacuum breaker (PVB) backflow preventer. This kit provides the components needed to rebuild or service the bonnet assembly on 1/2 inch through 1 inch 720A PVB units. Pressure vacuum breakers are installed on potable water systems to prevent backflow and backsiphonage, protecting the water supply from contamination. This repair kit is typically installed by licensed plumbers and backflow prevention specialists during scheduled maintenance or field repair of existing assemblies.

This bonnet kit is suited for residential and light commercial irrigation and plumbing applications where the Wilkins 720A PVB is in service. The 720A series is a common choice for hose bibb and irrigation system backflow protection. This kit covers the full 1/2 inch to 1 inch size range of the 720A assembly, making it a practical service part for technicians maintaining multiple installations across a property or service route.

Key Features

• Replacement bonnet kit specifically for the Wilkins 720A series PVB
• Covers 1/2 inch through 1 inch valve sizes
• Supports field repair without full valve replacement
• Designed for use on pressure vacuum breaker backflow preventers
• OEM-style replacement for maintaining PVB performance and compliance

Compatibility

Designed for use with the Wilkins 720A series pressure vacuum breaker in 1/2 inch through 1 inch sizes.

Installation Notes

Installation should be performed by a licensed plumber or certified backflow prevention technician in accordance with local plumbing codes and ASSE standards. Shut off the water supply and relieve system pressure before disassembling the bonnet. Inspect all seating surfaces and internal components before reassembly to ensure a proper seal. After service, perform a certified backflow test as required by local authority having jurisdiction.

Technical Specifications

• Valve Series: Wilkins 720A
• Device Type: Pressure Vacuum Breaker (PVB)
• Size Range: 1/2 inch to 1 inch
• Kit Type: Bonnet Repair Kit

Standard Information

• Brand: ZURN
• Manufacturer Part Number: RK1-720AB