Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

Watts Backflow Preventer Repair Kits: Total Relief Valve Kit, 3/4 in Compatible Valve Size - Repair Kits & Parts for Watts Backflow Preventers
WattsRepair Kits & Parts for Watts Backflow Preventers

Watts Backflow Preventer Repair Kits: Total Relief Valve Kit, 3/4 in Compatible Valve Size

The WATTS Backflow Preventer Repair Kits: Total Relief Valve Kit (SKU 3G-OTH-436808) is a repair kit for Watts backflow preventers, compatible with the 009M3 model and RK-009 series. It includes a Seat O-Ring and is…

SKU 3G-OTH-436808

Also listed as: RK009M3VT34 · RK 009M3 VT 3 4 · RK-009M3-VT-3-4

Brand
Watts
Item
Backflow Preventer Repair Kits: Total Relief Valve Kit, 3/4 in Compatible Valve Size
Category
Repair Kits & Parts for Watts Backflow Preventers
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

Watts
Manufacturer Part Number
RK 009M3-VT 3/4
Type
009M3
Includes
Seat O-Ring
Compatible Valve Size
3/4 in
Compatible with Series
RK-009
Compatible with Mfr. Model No.
009M3

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The WATTS Backflow Preventer Repair Kits: Total Relief Valve Kit (SKU 3G-OTH-436808) is a repair kit for Watts backflow preventers, compatible with the 009M3 model and RK-009 series. It includes a Seat O-Ring and is designed for a 3/4 in compatible valve size (MPN RK 009M3-VT 3/4).

Frequently Asked Questions

What is the Watts backflow preventer repair kit used for?

The Watts Total Relief Valve Kit is used to repair the relief valve assembly on Watts 009M3 backflow preventers. It is essential for maintaining proper backflow protection in commercial and residential water systems, ensuring compliance with plumbing codes.

What are the specifications of the Watts RK 009M3-VT 3/4 repair kit?

This kit is compatible with a 3/4 in valve size and fits Watts 009M3 models and RK-009 series. It includes a Seat O-Ring. The manufacturer part number is RK 009M3-VT 3/4, and it is also compatible with part number 818DE1.

Where to buy Watts backflow repair kits worldwide?

3G Electric supplies Watts backflow repair kits worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us to source the RK 009M3-VT 3/4 kit for your maintenance needs.

How to install a Watts backflow preventer repair kit?

To install the Watts Total Relief Valve Kit, first depressurize the system and remove the relief valve assembly. Replace the old seat O-ring with the included one, then reassemble. Always follow Watts' generic installation guidelines and test the valve after installation to ensure proper function.

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
Watts
Watts
Repair kit for Watts Series 009M2 and LF009M2 backflow preventers. Includes upper stem O-ring. Compatible with valve sizes 1-1/4 in to 1-1/2 in. Used to service relief valves in backflow prevention assemblies
This repair kit is for Watts backflow preventers, compatible with the 009M2 model and RK-009 series. It includes an upper stem O-ring and is designed for a 2-inch valve size. The kit is used to replace worn internal components, helping to restore proper valve function in water systems
Watts
This repair kit is for Watts backflow preventers, compatible with the 009M2 model and RK-009 series. It includes an upper stem O-ring and is designed for a 2-inch valve size. The kit is used to replace worn internal components, helping to restore proper valve function in water systems
WATTS Backflow Preventer Repair Kits: Complete Rubber Parts Kit, 3/4 in Compatible Valve Size, 009M3 (MPN RK 009M3-RT 3/4)
Watts
WATTS Backflow Preventer Repair Kits: Complete Rubber Parts Kit, 3/4 in Compatible Valve Size, 009M3 (MPN RK 009M3-RT 3/4)
Watts
Watts
Repair kit for Watts backflow preventers, includes cover O-ring and relief valve spring. Compatible with valve sizes 1/4 in to 1/2 in and with Watts Series RK-LF009 and model LF009. Used to restore relief valve function in backflow prevention assemblies
Repair kit for Watts backflow preventers, includes stem O-rings. Compatible with valve sizes 1/4 in to 3/4 in and Series RK-SS009, fitting models SS009M2 and SS009M3. Used to service relief valves on backflow prevention assemblies in water supply systems
Watts
Repair kit for Watts backflow preventers, includes stem O-rings. Compatible with valve sizes 1/4 in to 3/4 in and Series RK-SS009, fitting models SS009M2 and SS009M3. Used to service relief valves on backflow prevention assemblies in water supply systems
Repair kit for Watts Series SS009 backflow preventers with 1-inch valve size. Includes cover O-ring for sealing. Restores relief valve function in commercial and industrial water systems
Watts
Repair kit for Watts Series SS009 backflow preventers with 1-inch valve size. Includes cover O-ring for sealing. Restores relief valve function in commercial and industrial water systems

More from Watts

View all Watts parts
Repair kit for Watts Series 757 and 757DCDA backflow preventers with 8-inch valve size. Includes red silicone disc elastomer for first check valve assembly replacement. Used in commercial water systems to maintain backflow protection
Watts
Repair kit for Watts Series 757 and 757DCDA backflow preventers with 8-inch valve size. Includes red silicone disc elastomer for first check valve assembly replacement. Used in commercial water systems to maintain backflow protection
This repair kit services the second check assembly in Watts Series 009 backflow preventers. It includes a cover O-ring and is compatible with 1-inch valve models 1 009M2 and LF009M2. Used to restore proper sealing and prevent reverse flow in potable water systems
Watts
This repair kit services the second check assembly in Watts Series 009 backflow preventers. It includes a cover O-ring and is compatible with 1-inch valve models 1 009M2 and LF009M2. Used to restore proper sealing and prevent reverse flow in potable water systems
Repair kit for the second check valve assembly in Watts Series 774DCDA and Model 774 backflow preventers. Includes two cam checks with check O-rings. Compatible with 6-inch valve size. Used to maintain backflow protection in commercial water systems
Watts
Repair kit for the second check valve assembly in Watts Series 774DCDA and Model 774 backflow preventers. Includes two cam checks with check O-rings. Compatible with 6-inch valve size. Used to maintain backflow protection in commercial water systems
Check assembly and cover O-ring repair kit for Watts Series 009 backflow preventers. Compatible with valve sizes 1-1/4 in to 2 in. Used to service the second check valve in backflow prevention assemblies
Watts
Check assembly and cover O-ring repair kit for Watts Series 009 backflow preventers. Compatible with valve sizes 1-1/4 in to 2 in. Used to service the second check valve in backflow prevention assemblies
Repair kit for Watts backflow preventers, includes (2) check seat O-rings. Compatible with 3/4 in valve size, Series RK-919, and model LF919. Used to replace worn rubber components in backflow preventers for maintaining proper sealing
Watts
Repair kit for Watts backflow preventers, includes (2) check seat O-rings. Compatible with 3/4 in valve size, Series RK-919, and model LF919. Used to replace worn rubber components in backflow preventers for maintaining proper sealing
Vent elbow repair part for Watts backflow preventers, compatible with Series 909 ELF. Designed for 4-inch valve size and fits model 1-1/4 - 009M1. Used as an air gap and elbow component in backflow prevention assemblies to maintain proper drainage
Watts
Vent elbow repair part for Watts backflow preventers, compatible with Series 909 ELF. Designed for 4-inch valve size and fits model 1-1/4 - 009M1. Used as an air gap and elbow component in backflow prevention assemblies to maintain proper drainage
Repair kit for the first check valve in Watts Series 009 backflow preventers. Includes relief valve repair kit. Compatible with valve sizes 2-1/2 in to 3 in and model 2-1/2 -3 LF009. Used for servicing backflow preventers in water systems
Watts
Repair kit for the first check valve in Watts Series 009 backflow preventers. Includes relief valve repair kit. Compatible with valve sizes 2-1/2 in to 3 in and model 2-1/2 -3 LF009. Used for servicing backflow preventers in water systems
Repair kit for Watts backflow preventers, compatible with Series RK-909 and valve size 1-1/2 in. Includes a check disc. Fits models 818DD1, 818DD7, and 818DE2. Used to service backflow preventers in water systems
Watts
Repair kit for Watts backflow preventers, compatible with Series RK-909 and valve size 1-1/2 in. Includes a check disc. Fits models 818DD1, 818DD7, and 818DE2. Used to service backflow preventers in water systems