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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

<p>The Watts RK909RT3/4-1 Relief Valve Repair Kit is a genuine replacement part designed for the Series 909 backflow preventers. This kit includes a diaphragm and is compatible with valve sizes from 3/4 inch to 1…

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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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
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

Technical Documents

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

Product Description

<p>The Watts RK909RT3/4-1 Relief Valve Repair Kit is a genuine replacement part designed for the Series 909 backflow preventers. This kit includes a diaphragm and is compatible with valve sizes from 3/4 inch to 1 inch. It is specifically engineered for use with Watts 909 models, including the 3/4"-1" 909QT, as well as 818DD4 and 818DD6 series.</p><p>Procurement buyers in Singapore can rely on 3G Electric for this essential repair kit. We offer SGD quotes on request, handle GST for local buyers, and provide fast delivery across Singapore and Southeast Asia. Keep your backflow prevention systems operational with this OEM-quality repair kit.</p>

Frequently Asked Questions

What is included in the Watts RK909RT3/4-1 repair kit?

The kit includes a diaphragm, as specified in the product data.

Which Watts backflow preventer models is this kit compatible with?

It is compatible with the Series 909, specifically the 3/4"-1" 909QT, and also with 818DD4 and 818DD6 models, for valve sizes 3/4 inch to 1 inch.

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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