Had to replace a hand basin tap ... Old tap had flexible tails connecting to isolation valves ... the flexy connector ending in 1/2" BSP female
New tap has flexy connector ending in 3/8" BSP female I can find 1/2" BSP Female x 3/8" BSP Male such as:
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The male end is fine .... but the female end has no internal rubber washer so wouldn't seal onto the isolation valve. (rough sketch if description not clear)
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Is there a 'name' for such an adapter with a washer ...Sort of assumed something would exist for this ..... or do I need to swap out isolation valves to ones with a 3/8" BSP female thread.
Just extra cost and time (and not my house)