Backflow Convert Kit Replacement for WATTS 1 Inch 800M4-QT Conversion to Freeze-Resistant 800M4-FR Sprinkler System Vacuum Breaker Retro Retrofit Kit - Erchon 0887718

• 0887718 Backflow Convert Kit: Specifically designed replacement for WATTS 1" 800M4 series vacuum breaker, this kit provides retro-fit for your device. It aslo converts your 800M4-QT into a freeze-resistant 800M4-FR model, ensuring compatibility and seamless integration. Enhanced Functionality: This 0887718 Backflow retrofit kit not only repairs any leaks or malfunctions in your vacuum breaker(PVB) but also adds the capability of freeze resistance (Not "freeze-proof." ). It ensures optimal performance in colder climates. Easy Installation: The 0887718 Backflow Convert Kit is designed for user-friendly installation, allowing you to easily convert your 1" 800M4-QT pressure vacuum breaker to a freeze-resistant 800M4-FR model. Save time and service costs by completing the conversion yourself. Material: The 0887718 Backflow Convert Kit is made of durable and freeze-resistant materials, ensuring its longevity and reliability. It prevents leakage and maintains the proper functioning of your pressure vacuum breaker, allowing you to confidently irrigate your garden or field. Package Includes: 1*Hood, 4*Hood Screws, 1* Bonnet, 1*Bonnet O-Ring, 1*Vent Spring and 1*Vent Float Assembly. The 800M4-QT and 800M4-FR differ only in terms of their vent float mechanisms. The FR version features a central stem with a spring and and a "BB" like ball that allows for expansion.