We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

3G Electric
RFQ CartGet a QuoteSign inSign up
Watts Vacuum Breaker Repair Kit: Vacuum Breaker Repair Kit - Repair Kits & Parts for Watts Backflow Preventers
WattsRepair Kits & Parts for Watts Backflow Preventers

Watts Vacuum Breaker Repair Kit: Vacuum Breaker Repair Kit

The WATTS Vacuum Breaker Repair Kit is a repair kit for Watts backflow preventers, designed for use with Series 800 models. It includes a Check Disc Assembly (Disc and Holder) and is compatible with valve sizes from…

SKU 3G-OTH-436684

Also listed as: 8001211stCheckKit · 800 1 2 1 1st Check Kit · 800-1-2-1-1st-Check-Kit

Brand
Watts
Item
Vacuum Breaker Repair Kit: Vacuum Breaker Repair Kit
Category
Repair Kits & Parts for Watts Backflow Preventers
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

Watts
Manufacturer Part Number
800-1/2-1 1st Check Kit
Includes
Check Disc Assembly (Disc and Holder)
Compatible Valve Size
1/2 in to 1 in
Compatible with Series
800
Compatible with Mfr. Model No.
1/2 - 1 800

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The WATTS Vacuum Breaker Repair Kit is a repair kit for Watts backflow preventers, designed for use with Series 800 models. It includes a Check Disc Assembly (Disc and Holder) and is compatible with valve sizes from 1/2 in to 1 in, with the manufacturer part number 800-1/2-1 1st Check Kit.

Frequently Asked Questions

What is the WATTS Vacuum Breaker Repair Kit used for?

This repair kit is used to service Watts backflow preventers, specifically Series 800 models. It restores proper check-valve function in vacuum breakers with compatible valve sizes from 1/2 in to 1 in, helping maintain backflow protection in plumbing systems.

What are the specifications of the WATTS Vacuum Breaker Repair Kit?

The kit includes a Check Disc Assembly (disc and holder). It is compatible with Watts Series 800 backflow preventers and fits valve sizes from 1/2 in to 1 in. The manufacturer part number is 800-1/2-1 1st Check Kit.

Where to buy the WATTS Vacuum Breaker Repair Kit worldwide?

3G Electric supplies the WATTS Vacuum Breaker Repair Kit worldwide. As a global industrial solutions provider, we handle logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this repair kit.

How to install the WATTS Vacuum Breaker Repair Kit?

Installation typically involves depressurizing the system, removing the old check disc assembly, and replacing it with the new disc and holder from the kit. Always follow the manufacturer's instructions for your specific Watts Series 800 model to ensure proper sealing and backflow prevention.

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 repair kits & parts for watts backflow preventers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Compatible alternatives & equivalents

Cross-referenced by specification & description
WATTS Vacuum Breaker Repair Kit: Check Repair Kit, 1/2 in to 1 in/M2 Compatible Valve Size, 800M2 (MPN 800M2-1/2-1 1st Check Kit)
Watts
WATTS Vacuum Breaker Repair Kit: Check Repair Kit, 1/2 in to 1 in/M2 Compatible Valve Size, 800M2 (MPN 800M2-1/2-1 1st Check Kit)
WATTS Vacuum Breaker Repair Kit: Vacuum Breaker Repair Kit, 1/2 in to 1 in Compatible Valve Size (MPN 800-1/2-1 Rubber Kit)
Watts
WATTS Vacuum Breaker Repair Kit: Vacuum Breaker Repair Kit, 1/2 in to 1 in Compatible Valve Size (MPN 800-1/2-1 Rubber Kit)
WATTS Vacuum Breaker Repair Kit: Backflow Repair Kit, 1/2 in to 3/4 in Compatible Valve Size, 800M3 (MPN 800M3-1/2-3/4 1st Check Kit)
Watts
WATTS Vacuum Breaker Repair Kit: Backflow Repair Kit, 1/2 in to 3/4 in Compatible Valve Size, 800M3 (MPN 800M3-1/2-3/4 1st Check Kit)
WATTS Vacuum Breaker Repair Kit: Vacuum Breaker Repair Kit, 1/2 in to 1 in Compatible Valve Size (MPN 800-1/2-1 Vent Kit)
Watts
WATTS Vacuum Breaker Repair Kit: Vacuum Breaker Repair Kit, 1/2 in to 1 in Compatible Valve Size (MPN 800-1/2-1 Vent Kit)
WATTS Vacuum Breaker Repair Kit: Pressure Vacuum Breaker Check Kit, 1/2 - 3/4 800M4, Repair Kit (MPN 800M4-1/2-3/4 1st Check Kit)
Watts
WATTS Vacuum Breaker Repair Kit: Pressure Vacuum Breaker Check Kit, 1/2 - 3/4 800M4, Repair Kit (MPN 800M4-1/2-3/4 1st Check Kit)
WATTS Vacuum Breaker Repair Kit: Check Repair Kit, 800M4-FR/1 LF800M4-FR/1 800M4-QT-FZ/1 LF800M4-QT-FZ, 1 800M4, Repair Kit (MPN 800M4 1 1st Check Kit)
Watts
WATTS Vacuum Breaker Repair Kit: Check Repair Kit, 800M4-FR/1 LF800M4-FR/1 800M4-QT-FZ/1 LF800M4-QT-FZ, 1 800M4, Repair Kit (MPN 800M4 1 1st Check Kit)

More from Watts

View all Watts parts →
Repair kit for Watts Series 957 and Model 757 backflow preventers. Includes a check module O-ring. Compatible with 6-inch valve sizes. Used to replace worn check module components in commercial water systems
Watts
Repair kit for Watts Series 957 and Model 757 backflow preventers. Includes a check module O-ring. Compatible with 6-inch valve sizes. Used to replace worn check module components in commercial water systems
Repair kit for Watts 709 and RK-LF709 series backflow preventers. Includes cover O-ring. Compatible with 4-inch valve size. Used for replacing first or second check assembly in commercial and industrial water systems
Watts
Repair kit for Watts 709 and RK-LF709 series backflow preventers. Includes cover O-ring. Compatible with 4-inch valve size. Used for replacing first or second check assembly in commercial and industrial water systems
Repair kit for Watts Series 719 and Model 719 backflow preventers in 1-1/4 in size. Includes (2) check cover O-rings to restore sealing performance. Used for routine maintenance of backflow preventers in plumbing systems to prevent reverse water flow
Watts
Repair kit for Watts Series 719 and Model 719 backflow preventers in 1-1/4 in size. Includes (2) check cover O-rings to restore sealing performance. Used for routine maintenance of backflow preventers in plumbing systems to prevent reverse water flow
This second check valve repair kit is designed for servicing the second check assembly in Watts Series 009 backflow preventers. Compatible with valve size M2 and manufacturer model numbers 2 009M2 and LF009M2, the kit includes a cover O-ring. It is used to maintain backflow prevention performance in water systems
Watts
This second check valve repair kit is designed for servicing the second check assembly in Watts Series 009 backflow preventers. Compatible with valve size M2 and manufacturer model numbers 2 009M2 and LF009M2, the kit includes a cover O-ring. It is used to maintain backflow prevention performance in water systems
Repair kit for Watts backflow preventers, includes a first check module. Compatible with valve sizes 2-1/2 in to 4 in and models 757DCDA, 1RCX3, 1RCX5, 1RCX7. Used to replace the first check module in backflow preventers for cross-connection control in water systems
Watts
Repair kit for Watts backflow preventers, includes a first check module. Compatible with valve sizes 2-1/2 in to 4 in and models 757DCDA, 1RCX3, 1RCX5, 1RCX7. Used to replace the first check module in backflow preventers for cross-connection control in water systems
Repair kit for the first check valve in Watts Series 909 backflow preventers. Compatible with M1 valve size models 1-1/4 to 2 inches, including LF909M1. Includes lubricant for reassembly. Used for servicing and rebuilding the first check valve
Watts
Repair kit for the first check valve in Watts Series 909 backflow preventers. Compatible with M1 valve size models 1-1/4 to 2 inches, including LF909M1. Includes lubricant for reassembly. Used for servicing and rebuilding the first check valve
This repair kit is designed for servicing the second check valve in Watts 007 Series backflow preventers. It includes a replacement seat and is compatible with valve size M3, fitting models 3/4 007M3 and LF007M3. Used in commercial and industrial water applications to maintain backflow prevention system reliability
Watts
This repair kit is designed for servicing the second check valve in Watts 007 Series backflow preventers. It includes a replacement seat and is compatible with valve size M3, fitting models 3/4 007M3 and LF007M3. Used in commercial and industrial water applications to maintain backflow prevention system reliability
This repair kit is designed for Watts Series 909 backflow preventers with an 8-inch valve size. It includes a sleeve O-ring and is compatible with model 8 LF909M1. Used to replace worn internal components in commercial and industrial water systems
Watts
This repair kit is designed for Watts Series 909 backflow preventers with an 8-inch valve size. It includes a sleeve O-ring and is compatible with model 8 LF909M1. Used to replace worn internal components in commercial and industrial water systems