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This 1/2 inch x 1 inch pump union from JTM features female x female threaded ends and is sold as a pair. It is made from brass and comes in various sizes, including a 1 1/2 inch x 3/4 inch option. No gasket or washers are supplied. A Pump Union Pair is a set of two threaded fittings used to connect a pump to the pipework in a plumbing or heating system. These unions allow for easy installation and removal of the pump without the need to cut or disassemble the surrounding pipes. Brass is highly durable and resistant to wear and tear, making it suitable for long-lasting plumbing installations. It can withstand high pressure and extreme temperatures without cracking or disintegrating.. JTM Female x Female Brass Pump Union Pair - 1/2 inch x 1 inch 450970