McGuire Integral Check Valve Receives IAPMO Certification for Backflow Protection

McGuire Manufacturing Co., Inc.’s patented mechanical integral check angle stop, the ICV Defender, has received ASME A112.18.3 certification under Backflow Protection Devices and Systems in Plumbing Fixture Fittings.

The ICV Defender angle stop is a spring-actuated integral check valve introduced in July 2020 to address cross-connection contamination and backflow. The valve is manufactured to the same specification as McGuire’s heavy-pattern angle stops and is available in IPS, sweat and compression connections.