Watts 0121400 BP30B Boiler Pressure Relief Valve 45/100 PSI 1/2″

Description

Watts BP30B Boiler Pressure Relief Valve — 45/100 PSI, 1/2″

The Watts BP30B (SKU 0121400) is a dependable boiler pressure relief valve engineered to protect hydronic heating systems from dangerous overpressure conditions. With dual pressure ratings of 45 PSI and 100 PSI and a 1/2″ connection size, this valve delivers precise, automatic pressure relief to keep your boiler system operating safely and within design parameters.

Key Features

• Dual pressure ratings: 45 PSI and 100 PSI for versatile boiler system protection
• 1/2″ connection size for easy integration into standard hydronic piping
• Automatic pressure relief operation — no manual intervention required
• Compact BP30B design suited for residential and light commercial boiler applications
• Built to Watts’ exacting quality and safety standards
• Helps maintain system integrity and prevent overpressure damage to boiler components

Application

The Watts BP30B relief valve is ideal for use on hot water boilers, hydronic heating systems, and closed-loop heating circuits where overpressure protection is required. Its 1/2″ port size makes it a straightforward replacement or new-installation choice for HVAC and plumbing professionals.

Why Choose Watts?

Watts is a globally recognized leader in flow control products, delivering reliable valves and pressure management solutions trusted by HVAC technicians and plumbing contractors worldwide. The BP30B continues that tradition with robust construction and consistent performance in demanding heating system environments.