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It is a brass fitting that allows two Worcester Greenstar CDi or Ri boilers to be connected together in a cascade system. This allows the boilers to work together to provide more heating and hot water than either boiler could provide on its own. The branch joint is a three-way fitting with a female BSP thread on each end and a male BSP thread in the middle.
‚¦‚ It is made of brass, which is a strong and durable material that is resistant to corrosion..
‚¦‚ It is easy to install and maintain, making it a convenient and practical product to use.