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Stevenson Plumbing and Electrical Supplies
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Brass central heating pump union. Loose nut suits 1-1/2 inch BSP thread (normal heating pump size), union has an internal 1 inch BSP female thread.
BSP (British Standard Pipe Thread) sizes don’t match up with what you would measure using a ruler. Have a look at the BSPT link at the bottom of this page for more information about how plumbing threads are measured.
Product Code: JAG
Brand : Generic