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Watts Backflow Repair Kit: 1/2 in Compatible Valve Size, 188/288/388, 29YL80 - Watts Vacuum Breaker Repair Kits
WattsWatts Vacuum Breaker Repair Kits

Watts Backflow Repair Kit: 1/2 in Compatible Valve Size, 188/288/388, 29YL80

The WATTS Vacuum Breaker Repair Kit (SKU 387T18, MPN 0887171) is a repair kit for vacuum breakers, compatible with Series 388 and Mfr. Model No. LF288AC-1/2". It includes an O-ring and is designed for 1/2 in…

SKU 3G-OTH-443416

Brand
Watts
Item
Backflow Repair Kit: 1/2 in Compatible Valve Size, 188/288/388, 29YL80
Category
Watts Vacuum Breaker Repair Kits
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Technical Specifications

Watts
Manufacturer Part Number
0887171
Type
188/288/388, 29YL80, LF288AC-1/2"
Includes
O-Ring
Product Type
Vacuum Breaker Repair Kit
Compatible with Series
388
Compatible with Mfr. Model No.
LF288AC-1/2"
Compatible with Grainger Part No.
29YL80
View Full Spec Sheet

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Watts Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WATTS Vacuum Breaker Repair Kit (SKU 387T18, MPN 0887171) is a repair kit for vacuum breakers, compatible with Series 388 and Mfr. Model No. LF288AC-1/2". It includes an O-ring and is designed for 1/2 in compatible valve sizes.

Frequently Asked Questions

What is a Watts vacuum breaker repair kit used for?

A Watts vacuum breaker repair kit is used to restore the sealing function of a backflow prevention device, preventing contaminated water from siphoning back into the potable water supply. It is commonly applied in commercial plumbing, irrigation, and industrial water systems where backflow protection is required.

What are the specifications of the Watts LF288AC-1/2" repair kit?

The Watts LF288AC-1/2" repair kit (MPN 0887171) is a vacuum breaker repair kit compatible with Series 388 and model LF288AC-1/2". It includes an O-ring and is designed for 1/2 in valve sizes. The kit is manufactured by Watts and is suitable for use with Grainger part 29YL80.

Where to buy a Watts vacuum breaker repair kit worldwide?

3G Electric supplies the Watts vacuum breaker repair kit (MPN 0887171) to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this genuine Watts repair kit for your backflow prevention system.

How to install a Watts vacuum breaker repair kit?

To install a Watts vacuum breaker repair kit, first depressurize the system and remove the vacuum breaker assembly. Replace the old O-ring with the new one from the kit, ensuring it is properly seated. Reassemble the unit and test for leaks. Always follow the manufacturer's instructions for your specific model.

Used in

Common applications for Watts
Industrial burner gas safety systems — Watts HF2000 filters with GF-series seal kits maintain clean, regulated gas supply to burner pilot and main flame controls
Commercial heating and boiler installations — Modular filter assemblies support preventive maintenance and component replacement without full system shutdown
Process gas delivery pipelines — DN25 through DN125 filter bodies accommodate varying flow rates and inlet pressures across manufacturing and chemical processes
Gas pressure regulation benches — Multi-stage Watts filter platforms integrate with pressure reducers and safety shutoff valves in test and calibration environments
Equipment retrofit and upgrade projects — Available connection sizes and seal kits enable adaptation of newer Watts components into legacy gas control systems
Planned maintenance and spare-parts inventory — Filter seal kits allow facilities to stock consumables in advance, reducing downtime during scheduled gas system servicing

Watts Products

3G Electric supplies Watts watts vacuum breaker repair kits. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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