Pro-Pal valves are your best choice for efficient installation and system operation, and for helping to control costs. Pro-Pal Valves combine commonly used components into a single forged brass alternatives that will save time and space in any installation. Instead of just building your next piping system, innovate it with Pro-Pal Series Valves. The Boiler Vent Valve expands the utility of a boiler's 3/4" PRV port, capitalizing on its location at the top of the unit as the ideal placement for an air vent and other accessories. Designed for use with water, oil, glycol mix in residential or commercial heating systems. Refer to specification sheets for additional technical information. All Webstone products are backed by a limited lifetime warranty.

• Union connection to boiler for easier installation and flexible positioning
• Includes an automatic air vent to release trapped air from the system
• Integrated ball valve isolates vent for service without obstructing the PRV
• 3/4" FIP port accomodates PRV provided with your boiler (or sold separately)
• 3/4" close nipple provided for convenient adaptations to your specific boiler equipment
• Plugged 3/4" FIP port for optional low water cut-off device
• Dual-sided & plugged 1/4" FIP ports for flexible gauge installation
• Saves 60 Minutes
• Replaces 10 Components
• Eliminates 9 Leak Paths