Easy fixing
Works perfectly. Read more
E-cowlboy
E-cowlboy Replacement for Watts 0887718 Backflow Convert Kit for 1 800M4-QT Conversion to Freeze-Resistant 800M4-FR Complete Set for
$36.50
About this item
- 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. 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 b
Specification
Product facts
Key details
- manufacturer
- E-cowlboy
- best_sellers_rank
- #12,757 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #107 in Pressure Washer Accessories
Dimensions and fit
- dimensions
- 3 x 3 x 3 inches
- weight
- 6.7 ounces
- product_dimensions
- 3 x 3 x 3 inches
- item_weight
- 6.7 ounces
Technical specifications
- item_model_number
- 0887718
Overview
About this item
- 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. 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 b
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Customer reviews
8 reviewsPositive
Rated 4.8/5 across 8 reviews — highly regarded by customers.
- 100% of sampled reviews are from verified purchases.
- 100% of sampled reviews give 4–5 stars.
Customers say
Customers find the backflow conversion kit works well and is extremely easy to install, with one mentioning it took only 5 minutes to complete.
Generated from the text of customer reviews
5 minute upgrade and repair
Fit perfectly, easy and economical way to convert to freeze resistant valve. Read more
Nice and easy
It was super fast and easy (like 5 min) install and worked right off the bat. O-rings are fit, no leaks. Read more
Easy repair
Works great easy instal Read more
Fit
Fits perfectly on watts backflow Read more
Super Easy
Excellent product and extremely easy to install Read more
Excellent value, nor need to overpay!
Parts fit perfectly and sprinklers are up and running again. No need to pay a cent more. Manufacturer replacement was 4-5x the cost Read more
Replacement for 1” Watts M4
Exact fit and replacement for the 1” Watts M4 FR backflow preventer. Mine was leaking and was quoted over $250 to fix/replace. Once I took it apart, I realized the seals had dry rotted. This kit fixed my leaking issue and haven’t had problems since. Read more
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