To expand on my earlier comment, my understanding is that BSP sizes were based on old-fassioned iron pipes. Large appliances and heavy items delivered direct to the room of your choice, NOT left on the kerb side.

We only sell the highest quality products from the leading brands and manufacturers in the industry.The Grohe inlet flexi tail hose (45484000) is a genuine, brand new Grohe product, covered by a Grohe manufacturer's guarantee.

Sorry to be green - just a job I do once in a blue moon - small as it is - and want it plain sailing! No, you don't have to remove the pipes from the valves, but if you do cut them, make sure its on a straight section of pipe.Financial Conduct Authority (FCA FRN 670199) and acts as a credit intermediary and not a lender, offering credit products provided exclusively by Klarna Bank AB UK branch (BR020956), a branch of Klarna AB (556737-0431) which is authorised and regulated by the Swedish Financial Services Authority. Its a Grohe, so the pipework end of the flexible connectors are probably 3/8" BSP rather than 1/2" BSP. Registered address: National Shower Spares Ltd, Units 16-17 Bamel Way, Gloucester Business Park, Brockworth, Gloucester, Gloucestershire, GL3 4BH.