Replacement for Watts 0887718 Backflow Conversion Kit 1" 800M4-QT 800M4-FR

Key features

• Custom Fit: This 0887718 Retrofit Kit is specifically designed for 1" 800M4 series pressure vacuum breaker (PVB) backflow preventer, converting your 800M4-QT into a freeze-resistant 800M4-FR model.
• Enhanced Functionality: This retrofit kit not only repairs any leaks or malfunctions in your pressure vacuum breaker but also adds the capability of freeze resistance, providing optimal performance in colder climates.
• Easy Installation: Designed for user-friendly installation, this kit allows you to easily convert your device by yourself, saving you time and service costs.
• Not Just Freeze-Resistant, but Health-Conscious: While the kit provides freeze-resistance, remember to drain and winterize your device in freezing conditions. It also helps prevent the reverse flow of polluted water into your potable water supply.
• All Essential Components Included：This backflow conversion kit includes Hood, Hood Screws (2), Bonnet, Bonnet O-Ring, Vent Spring, and Vent Float Assembly—everything required to complete a full repair or freeze-resistant upgrade in one package.
• Premium Materials – Up to 3× Longer Service Life：Made from high-strength engineered polymers and corrosion-resistant metal, key components are tested for 8,000+ open/close cycles under normal pressure, delivering up to 3× longer lifespan than standard replacement kits.
• Warranty & Support – Buy with Confidence: Includes 12-month quality warranty and 30-day money-back guarantee. Backed by a professional customer support team for worry-free service.

0887718 Backflow Conversion Kit is a professional pressure vacuum breaker (PVB) retrofit solution designed to convert 1" 800M4-QT into freeze-resistant 800M4-FR. This complete conversion kit offers a cost-effective alternative to full valve replacement, helping prevent freeze damage, cracking, and leakage in cold climates. Manufactured to OEM specifications for proper sealing and long-term durability. Specifications: Model: 0887718 Conversion: 800M4-QT → 800M4-FR Size: 1 Inch Type: Pressure Vacuum Breaker Retrofit Kit Designed for easy installation, allowing contractors and maintenance professionals to upgrade existing systems without replacing the valve body — saving time, labor, and cost. Ideal for outdoor irrigation systems, commercial plumbing, and cold-weather installations, this kit restores reliable backflow protection while adding essential freeze resistance.

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