Description
The Watts 0556031 N36 3/4″ Vacuum Relief Valve is engineered to protect water service piping and equipment from the damaging effects of negative pressure (vacuum) conditions. When a vacuum forms in a water line — due to sudden shutoff, backflow, or system drainage — this valve opens automatically to admit air, preventing pipe collapse, siphoning, and contamination of the potable water supply.
Key Features
- 3/4″ connection size for straightforward integration into standard water service piping
- Automatically opens under vacuum conditions to break negative pressure
- Prevents back-siphonage and protects downstream equipment and water quality
- Designed for water service applications in residential and light commercial systems
- Compact, reliable construction from Watts — a trusted name in flow control and water quality
- Easy installation with standard threaded connections
Product Specifications
- SKU: 0556031
- Model: N36
- Connection Size: 3/4″
- Valve Type: Vacuum Relief Valve
- Application: Water Service
- Brand: Watts
Application
The Watts N36 vacuum relief valve is ideal for installation on water heaters, storage tanks, and water service lines where vacuum conditions could develop. It serves as a critical safeguard against back-siphonage, helping maintain system integrity and compliance with plumbing codes. Suitable for use in both residential and light commercial hydronic and plumbing systems.
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