· (22 mm x 3/4 in. BSP) See note 3 GRAVITY HOT WATER 28 mm Copper 28 mm M & F Cu. elbow...
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· (22 mm x 3/4 in. BSP) See note 3 GRAVITY HOT WATER 28 mm Copper 28 mm M & F Cu. elbow Straight connector (22 mm x I in. BSP) 3. Fit the stub connections for the heating flow and