for Watts 800M4QT Backflow Repair Kit 1/2" 3/4" LF800M4QT PVB Valve by E-cowlboy - Used condition

for Watts 800M4QT Backflow Repair Kit 1/2" 3/4" LF800M4QT PVB Valve — Open-Box, 22% Off

Name: for Watts 800M4QT Backflow Repair Kit 1/2" 3/4" LF800M4QT PVB Valve
Brand: E-cowlboy
SKU: awhd-us-b0grhfw964
Price: 13.01 USD
Availability: InStock

Brand: E-cowlboy

Condition: Used - Mint

$13⁰¹

$16⁶⁰

-22% Save $3⁵⁹

Updated: 25 days ago

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Description

【800M4 Backflow Repair Kit – Wide Compatibility】- This 0887726 800M4 freeze resistant retrofit kit is compatible with 1/2 inch and 3/4 inch 800M4QT / LF800M4QT pressure vacuum breaker valves, converting 800M4QT models into 800M4FR freeze resistant versions.Suitable for residential and commercial irrigation backflow systems. Please confirm your valve model before purchasing to avoid compatibility errors. 【Complete Backflow Repair Kit – Everything You Need】- Package includes:Vent Float Assembly，Vent Spring，Bonnet Cover，Bonnet O-Ring Seal，This backflow preventer repair kit provides full restoration of valve sealing and pressure regulation function. 【Premium Materials – 3× Longer Service Life】- Manufactured from high-strength engineering polymer and corrosion-resistant sealing materials.Each component undergoes 3-stage hardness testing, 5 dimensional precision inspections, and 8 pressure simulation durability tests before packaging.Provides up to 3 times longer service life than standard repair kits. 【Fix Leaking Backflow Valve & Save Maintenance Cost】- Leakage is usually caused by aging vent float, worn O-ring seals, or damaged spring pressure control.Replacing this kit restores proper sealing performance, prevents water waste, and avoids expensive plumbing repair costs. 【Freeze Resistant Retrofit Upgrade – Protects Valve in Cold Weather】- Designed for low temperature environments.Helps prevent water inside the valve from expanding and cracking during freezing conditions, protecting irrigation and plumbing systems.Operating temperature: -20°F to 120°F（-29°C to 49°C）. 【Easy 10-Minute Installation – No Special Tools Needed】-Simple replacement design allows installation within 10–15 minutes.Compatible with standard plumbing repair tools. 【 Residential & Commercial Backflow Protection】- Suitable for:Garden irrigation systems，Residential plumbing valvesCommercial water supply protection.Maintains anti-siphon function and blocks reverse water flow. 【Save Money by Repairing Instead of Replacing】- Why replace the entire valve assembly? This retrofit kit provides a cost-effective repair solution to extend valve service life，Restores valve pressure regulation and sealing efficiency. 【Warranty Included – Buy with Confidence】- We prioritize your satisfaction and strive to offer top-notch customer service. All products are backed by a 12-month warranty for quality-related issues, 30-Day money-back guarantee.If you experience any issues, feel free to reach out, and we'll work to resolve them promptly. Professional 0887726 Backflow Repair Kit – Freeze Resistant Retrofit Upgrade

The 0887726 backflow repair kit is specially designed for 800M4 pressure vacuum breaker (PVB) valve systems, helping convert standard 800M4QT / LF800M4QT models into freeze resistant 800M4FR configurations. This freeze resistant retrofit kit provides reliable sealing protection, prevents valve leakage, and improves water system safety during cold weather operation.

Wide Compatibility – 800M4 Series PVB Valve Repair
Compatible with:
800M4QT
LF800M4QT
1/2 inch and 3/4 inch pressure vacuum breaker systems
This kit is ideal for residential irrigation, garden water supply, and commercial plumbing protection systems.

Freeze Resistant Retrofit Upgrade – Protect Your Valve in Cold Weather
Designed for low temperature environments, this retrofit kit helps prevent water inside the backflow valve from freezing and expanding. Operating temperature range: -20°F to 120°F. The internal float and spring assembly automatically regulates vent pressure to reduce the risk of valve cracking caused by ice expansion.

Complete Repair Kit – Restore Valve Sealing Function
Package includes:
✔ Vent Float Assembly
✔ Vent Spring
✔ Bonnet Cover
✔ Bonnet O-Ring Seal
These components help restore proper pressure vacuum breaker sealing performance and prevent water leakage or reverse flow .

Premium Material Construction – 3× Longer Service Life
Manufactured using high-strength engineering polymer and corrosion-resistant sealing materials. Each component undergoes strict quality inspection including:
3-stage material hardness testing
5 precision dimensional inspections
8 pressure simulation durability tests
Provides up to 3 times longer service life than standard aftermarket repair kits.

Fix Leaking Backflow Valve & Save Maintenance Cost
Leakage problems are usually caused by aging float assemblies, worn O-ring seals, or weakened spring pressure control. Replacing this kit restores proper valve function, prevents water waste, and avoids expensive plumbing repairs.

Easy Installation – No Special Tools Required
The retrofit repair kit is designed for quick replacement installation. Average installation time is approximately 15–20 minutes using standard plumbing tools.

Product Specifications
Model: 0887726 Backflow Repair Kit
Valve Type: Pressure Vacuum Breaker (PVB)
Compatible Series: 800M4QT / LF800M4QT
Conversion Function: Convert 800M4QT to 800M4FR freeze resistant model
Working Temperature: -20°F to 120°F
Main Components: Float Assembly, Spring, Bonnet, O-ring Seal
Application: Residential irrigation, commercial water protection, plumbing repair

Ideal for Plumbing Repair Professionals and DIY Users
This backflow preventer repair kit is a reliable upgrade solution for valve maintenance, helping protect your water system from freezing damage, leakage, and reverse flow .

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Product Details

SKU:: awhd-us-b0grhfw964
Model:: 800M4QT LF800M4QT Backflow Repair Kit
Country:: US
ASIN:: B0GRHFW964

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