Skip to content

Conbraco 4V-500-01 Check Valve Repair Kit for 1/2–3/4" PVB

Save 25%
Original Price $96.30
Current Price $72.22
SKU 4V-500-01

Notify me when back in stock

OEM Conbraco replacement kit designed to service the PVB4V (4V-500) pressure vacuum breaker. This repair kit fits 1/2"–3/4" sizes and provides the essential internal components needed to restore proper check-valve operation on affected PVB assemblies.

  • What it includes: OEM check assembly and bonnet O-ring (replacement internals for the check valve).
  • Compatibility: Made for Conbraco/Apollo PVB4V (4V-500 series) in 1/2" and 3/4" sizes; use this kit when the check valve leaks or fails to hold.
  • Performance benefits: Replacing worn internals restores proper backflow prevention, helps prevent contamination, and extends service life of the PVB assembly.
  • Service notes: Parts are factory replacement components; inspect seats and housings for wear before installing and follow manufacturer repair instructions.

This kit is intended as an OEM repair solution for maintenance technicians and plumbing professionals. If you are unsure which kit you need or require installation guidance, consult the product manual for the 4V-500 series or contact a licensed plumber to ensure correct fit and safe operation.

Reviews

Frequently Asked Questions

What PVB models and sizes does this kit fit?
Fits Conbraco/Apollo PVB4V (4V-500 series) for 1/2" and 3/4" sizes; verify model stamping before ordering.
What parts are included in the 4V-500-01 kit?
Includes the OEM check assembly and the bonnet O‑ring—these replace the worn internal check components.
Can I install this repair kit myself?
A qualified technician or licensed plumber is recommended. Follow the manufacturer repair guide to ensure correct installation and safe operation.

Add a FREE Pair of Gloves to Your Order

Spend $35+ Add a FREE Pair of Gloves to Your Order Select Your Size