Grundfos 00529911 Union Adapter Set 320735-701 this high-temperature resistant gasket kit

this high-temperature resistant gasket kit is engineered to withstand the thermal stress and corrosive secondary heat exchanger environments typical of Lennox G40DF

the VM2417 provides linear flow characteristics essential for precise temperature regulation in modulating zone valve applications

while one that is too short may sit in a "dead air" pocket

Replacing the venturi gasket during any combustion blower service is recommended to ensure a secure seal

Grundfos 00529911 Union Adapter Set 320735-701 this high-temperature resistant gasket kitThe Grundfos 00529911 Union Adapter Set is a precision engineered fitting kit designed for seamless integration between Grundfos circulator pumps and standard 3 4 inch sweat copper tubing. This union kit facilitates a reliable, leak free connection, ensuring optimal fluid dynamics within hydronic heating systems and closed loop domestic hot water applications. Built with high grade cast bronze or brass components, these adapters provide superior