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Watts RK909RT3/4-1 Relief Valve Repair Kit for Series 909 Backflow Preventers - Repair Kits & Parts for Watts Backflow Preventers
WattsRepair Kits & Parts for Watts Backflow Preventers

Watts RK909RT3/4-1 Relief Valve Repair Kit for Series 909 Backflow Preventers

The WATTS Backflow Preventer Repair Kit: Relief Valve Kit (SKU 3G-OTH-436697) is a repair kit for Watts backflow preventers, compatible with Series 909 models including the 3/4"-1" 909QT. It includes a diaphragm and…

SKU 3G-OTH-436697

Also listed as: RK909RT341 · RK909RT3 4 1 · RK909RT3-4-1

Brand
Watts
Item
RK909RT3/4-1 Relief Valve Repair Kit for Series 909 Backflow Preventers
Part Number
RK909RT3/4-1
Category
Repair Kits & Parts for Watts Backflow Preventers
Available to Order
Also known as:RK909RT3/4-1Watts
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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

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

Product Description

The WATTS Backflow Preventer Repair Kit: Relief Valve Kit (SKU 3G-OTH-436697) 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.

Frequently Asked Questions

What is the Watts backflow preventer repair kit used for?

The Watts backflow preventer repair kit is used to service relief valves on Series 909 backflow preventers. It is designed for valve sizes from 3/4 in to 1 in and includes a diaphragm. This kit helps maintain proper backflow protection in commercial and residential water systems.

What are the specifications of the Watts RK909RT3/4-1 repair kit?

The Watts RK909RT3/4-1 repair kit includes a diaphragm and is compatible with Series 909 backflow preventers. It fits valve sizes from 3/4 in to 1 in and is compatible with model 3/4"-1" 909QT. The manufacturer part number is RK909RT3/4-1, and it is also compatible with part number 3/4 LF909-QT-FS.

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 location. Contact us to source the RK909RT3/4-1 kit for your Series 909 backflow preventer.

How to install the Watts relief valve repair kit?

To install the Watts relief valve repair kit, first depressurize the system and remove the relief valve cover. Replace the old diaphragm with the new one from the kit, ensuring proper alignment. Reassemble the valve and test for leaks. Always follow the manufacturer's instructions for safe installation.

Used in

Common applications for Watts
Commercial plumbing – Watts standard capacity water pressure regulators (3/8 LF 26AB) for stabilizing incoming water pressure
Industrial steam systems – Watts 152A series steam pressure regulators for pressure reduction in process and heating lines
Cross-connection control – Watts 757 double check backflow preventers for commercial and industrial water supply protection
Boiler safety – Watts ASME Section XIII temperature and pressure relief valves for overpressure protection in heating systems
Hydronic heating – Watts CP16 pilot-operated pressure regulators for maintaining consistent pressure in steam or water loops
Water hammer mitigation – Watts LF15M2-A water hammer arrestors for absorbing surges in quick-closing valve applications
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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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