RK 009M3 RT 3/4" Complete Rubber Kit
Item Number: 0888526Brand - Watts
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- Total Rubber Parts Kit
- Weight: 0.14 lb
- For 3/4 inch Watts 009M3 Reduced Pressure Zone Backflow Preventer
- Includes diaphragm
- Includes two disc assemblies
- Includes stem and cover O-rings
- Includes two seat O-rings
- Includes relief valve seat O-ring
- Designed for field repair and maintenance
Description
Description
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Watts 009 Series Backflow Preventer Compatibility
The Watts 009 Series Reduced Pressure Zone (RPZ) backflow preventers, while sharing a common design, exist in several modifications: 009, 009M1, 009M2, and 009M3. It is critically important to identify the exact model and modification of your backflow preventer, as their internal parts are significantly different, even if the external appearance is similar.
- This specific kit, RK 009M3 RT 3/4", is designed ONLY for the 3/4 inch Watts 009M3 Reduced Pressure Zone Assembly.
- Ensure your backflow preventer is clearly marked with '009M3' to guarantee compatibility before purchasing.
- If your device is an 009, 009M1, or 009M2, this kit will not be compatible.

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Additional Details
This total rubber parts kit provides all the components necessary to repair or replace the rubber parts on a 3/4 inch Watts Reduced Pressure Zone Assembly backflow preventer, model 009M3. It ensures proper function and extends the life of your backflow prevention device.
Kit Contents
- Diaphragm
- Two Disc Assemblies
- Stem O-rings
- Cover O-ring
- Two Seat O-rings
- Relief Valve Seat O-ring
For Watts Series 009 Reduced Pressure Zone Assemblies
Watts 009 Series Reduced Pressure Zone (RPZ) devices are known as "contractor grade" and have been produced since 1989. These devices feature a one-cover design across sizes. The smaller 1/4 inch to 2 inch models are constructed of bronze and use check modules that slide into the body, secured by a retainer. The relief valve assembly is located directly under the cover. The check modules and relief valve assembly are designed for service.
Important Note on Modifications
Over the years, Watts has implemented slight redesigns, referred to as "modifications" (e.g., 009, 009M1, 009M2, and 009M3). While the external appearance of these valves is very similar, their internal parts are significantly different. Always be sure of your specific valve model before ordering repair parts to ensure correct compatibility.
Easy Servicing
- No special tools are required for servicing 009 Series devices.
- Features self-contained check assemblies for straightforward maintenance.
Specifications
- Kit Type: Repair Kit
- Kit Component Designation: Total Rubber Parts (RT)
- Backflow Preventer Series: 009 Reduced Pressure Zone Assembly
- Backflow Preventer Model: 009M3
- Backflow Preventer Size: 3/4 inch
Kit Contents Included
- Diaphragm: 1
- Disc Assemblies: 2
- Stem O-rings: Included
- Cover O-ring: 1
- Seat O-rings: 2
- Relief Valve Seat O-ring: 1