529913 | Coupling Kit for Retro 1/2 Inch Bronze Sweat for GU125 Union | Grundfos Circulators bock water heaters our HVAC supply store offers

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529913 | Coupling Kit for Retro 1/2 Inch Bronze Sweat for GU125 Union | Grundfos Circulators bock water heaters our HVAC supply store offersCoupling Kit 1 2" Bronze for Retro Sweat: This Grundfos Circulators coupling kit is designed for use with GU125 unions on retro sweat systems. It is made from durable bronze and includes all the necessary components for a secure and leak proof connection. The kit includes two bronze nuts, two bronze washers, and one bronze gasket. The nuts and washers are precision machined to ensure a tight fit, while the gasket provides a seal between the two nuts