Description
The Watts 0369021 is a 3/4″ 150# (150 PSI) pressure relief valve engineered to provide reliable overpressure protection in a wide range of hydronic heating, plumbing, and mechanical systems. Designed and built to Watts’ exacting quality standards, this relief valve automatically opens to safely discharge excess pressure before it can damage equipment, piping, or connected components — helping maintain system integrity and protecting your investment.
Key Features
- 3/4″ pipe connection for straightforward installation in standard hydronic and plumbing systems
- 150 PSI (150#) pressure rating for dependable overpressure relief
- Automatic pressure-actuated operation — opens to relieve excess pressure, reseats when pressure normalizes
- Durable construction built to Watts quality standards for long service life
- Compact design for easy integration into tight mechanical spaces
Typical Applications
- Hydronic heating systems and boiler installations
- Plumbing and mechanical piping systems
- Commercial and residential pressure protection applications
- Steam and hot water system overpressure safeguarding
Specifications
- SKU: 0369021
- Brand: Watts
- Connection Size: 3/4″
- Pressure Rating: 150 PSI (150#)
- Valve Type: Pressure Relief Valve







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