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Watts First Check Valve Repair Kit: First Check Valve Repair Kit, 818DD1/818DD7/818DE2 - Repair Kits & Parts for Watts Backflow Preventers
WattsRepair Kits & Parts for Watts Backflow Preventers

Watts First Check Valve Repair Kit: First Check Valve Repair Kit, 818DD1/818DD7/818DE2

The WATTS First Check Valve Repair Kit is a repair kit for Watts backflow preventers, compatible with Series 909 and Mfr. Model No. 1-1/4 - 2 LF909M1. It includes lubricant and is designed for Compatible Valve Size…

SKU 3G-OTH-436751

Brand
Watts
Item
First Check Valve Repair Kit: First Check Valve Repair Kit, 818DD1/818DD7/818DE2
Category
Repair Kits & Parts for Watts Backflow Preventers
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Technical Specifications

Watts
Manufacturer Part Number
909 M1 1-1/4 - 2 1st Check Kit
Type
818DD1/818DD7/818DE2, Repair Kit
Includes
Lubricant
Compatible Valve Size
M1
Compatible with Series
909
Compatible with Mfr. Model No.
1-1/4 - 2 LF909M1
Compatible with Grainger Part No.
818DE2
View Full Spec Sheet

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

Product Description

The WATTS First Check Valve Repair Kit is a repair kit for Watts backflow preventers, compatible with Series 909 and Mfr. Model No. 1-1/4 - 2 LF909M1. It includes lubricant and is designed for Compatible Valve Size M1. The kit is identified by Manufacturer Part Number 909 M1 1-1/4 - 2 1st Check Kit.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the Watts First Check Valve Repair Kit used for?

The Watts First Check Valve Repair Kit is used to service and rebuild the first check valve in Watts Series 909 backflow preventers. It is designed for M1 valve size models, including the 1-1/4 - 2 LF909M1, and includes lubricant for proper reassembly.

What are the specifications of the Watts First Check Valve Repair Kit?

The kit is compatible with Watts Series 909 backflow preventers, Mfr. Model No. 1-1/4 - 2 LF909M1, and Grainger Part No. 818DE2. It fits Compatible Valve Size M1 and includes lubricant. The manufacturer part number is 909 M1 1-1/4 - 2 1st Check Kit.

Where to buy the Watts First Check Valve Repair Kit worldwide?

3G Electric supplies the Watts First Check Valve Repair Kit worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this genuine Watts repair kit for your backflow preventer.

How to install the Watts First Check Valve Repair Kit?

To install, first depressurize and isolate the backflow preventer. Remove the first check valve assembly, disassemble it, and replace worn components with the new kit parts. Apply the included lubricant to seals and reassemble. Always follow Watts' official instructions for your specific Series 909 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 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.

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