Description
The Watts PV20-C (SKU 9751-19) is a precision-engineered pressure/vacuum relief valve designed to safeguard hydronic heating, plumbing, and HVAC systems from the damaging effects of over-pressure and vacuum conditions. With a 1/2″ connection size and a broad operating pressure range of 20 to 200 PSI, this valve delivers reliable, automatic protection across a wide variety of residential and light commercial applications.
Built to Watts’ exacting quality standards, the PV20-C responds instantly when system pressure exceeds or drops below safe operating thresholds — venting excess pressure or admitting air to break a vacuum — helping to prevent equipment damage, pipe failure, and costly downtime.
Key Features
- Pressure/vacuum relief valve — protects against both over-pressure and vacuum conditions
- 1/2″ connection size for easy integration into standard piping systems
- Wide operating pressure range: 20–200 PSI
- Automatic operation — no manual intervention required during a pressure event
- Compact, durable construction suited for residential and light commercial use
- Trusted Watts quality for long-term, dependable performance
Typical Applications
- Hydronic heating and hot water systems
- Plumbing supply lines and water distribution systems
- Boiler and water heater protection
- HVAC closed-loop piping systems
Specifications
- Brand: Watts
- Model: PV20-C
- SKU: 9751-19
- Connection Size: 1/2″
- Pressure Range: 20–200 PSI
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