1 Inch 800M4 QT Freeze Resistant Retrofit Repair Kit With Float Disk Assembly Bonnet O Ring Vent Spring For 800M4 Series Pressure Vacuum Breaker For DIY Friendly Residential And Commercial Water Systems PVB Installations

Regular price $154.95 Sale price$339.00you save $184.05
SKU: VXB00B7PYGE8





1-Inch PVB Retrofit Kit for Freeze-Resistant Upgrade
✔️ Kit includes Float Disk Assembly, Bonnet O-Ring, Vent Spring

This retrofit repair kit is designed for the 1 Inch 800M4 QT pressure vacuum breaker (PVB) backflow preventer. Use it to upgrade to a freeze-resistant 800M4-FR or repair an existing 800M4-FR unit in residential or commercial water systems. Made in the United States.

✅ Includes Float Disk Assembly, Bonnet O-Ring, Vent Spring
✅ Retro-fit repair kit for 1 Inch 800M4 QT PVB backflow preventer
✅ Converts to freeze-resistant 800M4-FR (not freeze-proof)
✅ Pack: 1 kit; Made in United States; color Black
✅ Compatible with 800M4 series PVB installations

💡 What is a backflow prevention retrofit kit used for in water systems?

This handy kit makes upgrading or repairing backflow preventers simple for DIYers and pros alike.

  • Backflow prevention retrofit for residential and commercial setups
  • Converts standard QT to freeze-resistant 800M4-FR configurations
  • Includes Float Disk Assembly, Bonnet O-Ring, Vent Spring
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