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Watts Backflow Preventer Repair Kit: Complete Rubber Parts Kit, 818DD4/818DD6 - Repair Kits & Parts for Watts Backflow Preventers
WattsRepair Kits & Parts for Watts Backflow Preventers

Watts Backflow Preventer Repair Kit: Complete Rubber Parts Kit, 818DD4/818DD6

The WATTS Backflow Preventer Repair Kit (SKU 30UK37) is a complete rubber parts kit designed for use with Watts backflow preventers. It includes an RV Disc Assembly and is compatible with Series 909 models…

SKU 3G-OTH-436703

Brand
Watts
Item
Backflow Preventer Repair Kit: Complete Rubber Parts Kit, 818DD4/818DD6
Category
Repair Kits & Parts for Watts Backflow Preventers
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Technical Specifications

Watts
Manufacturer Part Number
LFRK 909-RT 3/4-1
Type
818DD4/818DD6, 3/4 -1 LF909, 909
Includes
RV Disc Assembly
Compatible Valve Size
3/4 in to 1 in
Compatible with Series
909
Compatible with Mfr. Model No.
3/4 -1 LF909
Compatible with Grainger Part No.
818DD4
View Full Spec Sheet

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

Product Description

The WATTS Backflow Preventer Repair Kit (SKU 30UK37) is a complete rubber parts kit designed for use with Watts backflow preventers. It includes an RV Disc Assembly and is compatible with Series 909 models, specifically the 3/4 -1 LF909, for valve sizes from 3/4 in to 1 in. The manufacturer part number is LFRK 909-RT 3/4-1.

Frequently Asked Questions

What is the Watts backflow preventer repair kit used for?

This Watts repair kit is used to service backflow preventers in commercial and residential water systems. It replaces worn rubber components, including the RV disc assembly, to maintain backflow prevention and comply with plumbing codes. 3G Electric supplies this kit for worldwide delivery.

What are the specifications of the Watts LFRK 909-RT 3/4-1 repair kit?

The Watts LFRK 909-RT 3/4-1 is a complete rubber parts kit for Series 909 backflow preventers. It is compatible with valve sizes 3/4 in to 1 in, includes an RV disc assembly, and matches model 3/4 -1 LF909. The manufacturer part number is LFRK 909-RT 3/4-1.

Where to buy Watts backflow preventer repair kits worldwide?

3G Electric supplies Watts backflow preventer repair kits worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us to order the LFRK 909-RT 3/4-1 kit for Series 909 models.

How to install a Watts backflow preventer repair kit?

To install the Watts repair kit, first isolate the valve and relieve pressure. Remove the old rubber parts, clean the internal surfaces, and install the new components, including the RV disc assembly. Reassemble the valve and test for leaks. Always follow local plumbing codes and the manufacturer's instructions.

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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