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Watts Backflow Preventer Repair Kit: Relief Valve Kit, 818DD4/818DD6, 1 909 QT/3/4"-1" 909QT - Repair Kits & Parts for Watts Backflow Preventers
WattsRepair Kits & Parts for Watts Backflow Preventers

Watts Backflow Preventer Repair Kit: Relief Valve Kit, 818DD4/818DD6, 1 909 QT/3/4"-1" 909QT

The WATTS Backflow Preventer Repair Kit: Relief Valve Kit (SKU 1RCW1) is a repair kit for Watts backflow preventers, compatible with Series 909 models including the 3/4"-1" 909QT. It includes a diaphragm and is…

SKU 3G-OTH-436697

Brand
Watts
Item
Backflow Preventer Repair Kit: Relief Valve Kit, 818DD4/818DD6, 1 909 QT/3/4"-1" 909QT
Category
Repair Kits & Parts for Watts Backflow Preventers
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Technical Specifications

Watts
Manufacturer Part Number
RK909RT3/4-1
Type
818DD4/818DD6, 1 909 QT/3/4"-1" 909QT, 909
Includes
Diaphragm
Compatible Valve Size
3/4 in to 1 in
Compatible with Series
909
Compatible with Mfr. Model No.
3/4"-1" 909QT
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: Relief Valve Kit (SKU 1RCW1) is a repair kit for Watts backflow preventers, compatible with Series 909 models including the 3/4"-1" 909QT. It includes a diaphragm and is designed for valve sizes from 3/4 in to 1 in.

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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