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Ball Valve Isolation Brass 1" Flanged - This product meets specifications for all outdoor wood boiler installations. FPT.

This isolation valve flange is ideal for pump installations, particularly for tanks - when the pump needs repair or replacement, simply close the valves on both sides of the pump, and the pump can be removed without draining the tank or creating a huge mess. These are often used with outdoor boilers and other tank applications involving circulation pumps.