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Watts Relief Valve Repair Kit: Relief Valve Repair Kit, 818DD4/818DD6, 3/4 -1 LF909 - Repair Kits & Parts for Watts Backflow Preventers
WattsRepair Kits & Parts for Watts Backflow Preventers

Watts Relief Valve Repair Kit: Relief Valve Repair Kit, 818DD4/818DD6, 3/4 -1 LF909

The WATTS Relief Valve Repair Kit is a repair kit for Watts backflow preventers, compatible with the RK-909 series and the 3/4 -1 LF909 model. It includes lubricant and fits valve sizes from 3/4 in to 1 in. The…

SKU 3G-OTH-436725

Brand
Watts
Item
Relief Valve Repair Kit: Relief Valve Repair Kit, 818DD4/818DD6, 3/4 -1 LF909
Category
Repair Kits & Parts for Watts Backflow Preventers
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Technical Specifications

Watts
Manufacturer Part Number
909-3/4 - 1 Relief Valve
Type
818DD4/818DD6, 3/4 -1 LF909, Repair Kit
Includes
Lubricant
Compatible Valve Size
3/4 in to 1 in
Compatible with Series
RK-909
Compatible with Mfr. Model No.
3/4 -1 LF909
Compatible with Grainger Part No.
818DD6
View Full Spec Sheet

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

Product Description

The WATTS Relief Valve Repair Kit is a repair kit for Watts backflow preventers, compatible with the RK-909 series and the 3/4 -1 LF909 model. It includes lubricant and fits valve sizes from 3/4 in to 1 in. The manufacturer part number is 909-3/4 - 1 Relief Valve.

Frequently Asked Questions

What is the Watts relief valve repair kit used for?

The Watts relief valve repair kit is used to service backflow preventers in commercial and industrial water systems. It restores proper relief valve function to prevent backflow contamination, ensuring compliance with plumbing codes. This kit is designed for Watts RK-909 series and the 3/4 -1 LF909 model.

What are the specifications of the Watts relief valve repair kit?

The Watts relief valve repair kit (MPN 909-3/4 - 1 Relief Valve) is compatible with valve sizes from 3/4 in to 1 in. It includes lubricant and is designed for the RK-909 series and the 3/4 -1 LF909 model. It also fits Grainger part number 818DD6.

Where to buy the Watts relief valve repair kit worldwide?

3G Electric supplies the Watts relief 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 maintenance needs.

How to install the Watts relief valve repair kit?

To install the Watts relief valve repair kit, first depressurize the backflow preventer and remove the old relief valve components. Clean the mating surfaces, apply the included lubricant to new seals, and reassemble per Watts instructions. Always test for proper operation after installation.

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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