The Watts 3/4 in. Brass Pressure Relief Valve is designed for use as protection against excessive built-up pressure in systems containing water, oil or air. The calibrated design provides an adjustable pressure relief range of 50 - 150 psi with a maximum working pressure of 300 psi. Lead-free brass is not more than a weighted average of 0.25% lead when used with respect to the wetted surfaces of pipes and pipe and plumbing fittings and fixtures.
California residents: see Proposition 65 information
- Cast brass construction
- Protects against excessive pressure build up
- Use with type M hard-temper copper tubing
- Indoor or outdoor use