MID Approved R80 T50 & WRAS approved. MID Approved R100^ R50> T50 & WRAS approved. 3/4" BSP to 1/2" BSP Nut, Tails and Washers Included + Fittings option (if chosen). 1/2" BSP to 15mm Copper Pipe Compression Fittings (they attach to the Standard Nut's, Tail's and Washers).
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