Description
Watts 88004089 3/4″ Reduced Pressure Zone Backflow Preventer
The Watts 88004089 is a 3/4″ Reduced Pressure Zone (RPZ) backflow preventer engineered to provide dependable protection against backflow and back-siphonage in potable water systems. Designed for commercial and industrial plumbing applications, this assembly prevents contaminated water from flowing back into the clean water supply, safeguarding public health and ensuring compliance with local plumbing codes.
Product Overview
Reduced pressure zone assemblies are the highest level of backflow protection available, making the Watts 88004089 an ideal choice for high-hazard applications. The 3/4″ pipe size suits a wide range of installations including irrigation systems, boiler make-up water lines, fire suppression connections, and chemical feed systems.
Key Features
- 3/4″ reduced pressure zone (RPZ) assembly for high-hazard cross-connection control
- Dual independently operating check valves with a differential pressure relief valve
- Provides protection against both backpressure and back-siphonage
- Suitable for potable water, HVAC, irrigation, and industrial applications
- Manufactured by Watts — a trusted leader in flow control and water quality products
- Designed for easy field testing and maintenance
- Compact, serviceable assembly for straightforward installation
Typical Applications
- Commercial and industrial plumbing systems
- Boiler and hydronic heating make-up water connections
- Irrigation and lawn sprinkler systems
- Fire suppression system connections
- Chemical or fertilizer injection systems
Why Choose Watts?
Watts Water Technologies is a globally recognized manufacturer of products and solutions for the control, conservation, and quality of water. Their backflow preventers are built to meet rigorous industry standards and are widely specified by engineers and plumbing professionals for reliable, long-term performance.







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