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thanks for the reply seco - however, talking to grohe today... they advised that they think i will get a better result by boosting the hot supply with a pump and reducing the cold pressure with a PRV so they are fairly close and then taking them through the unpumped grohe digital shower -...

hi guys, i'm looking to purchase a single impeller 2 or 3 bar shower pump - with your experience what manufacturers and models do you rate for reliability and quietness? thanks!

i suppose i'm also trying to verify that it is okay to have a pump on a water supply that has a pressure reducing valve on it before the pump. would i be better using a twin pump with a pressure reducer on the cold supply before the pump or simply a single impeller pump on the hot supply with...

thanks for your reply - currently we have a pressure reducer on the cold leading to a mixer attachment on the bath, and this seems to cope fine, we have consistent water flow despite number of users etc.... we really need to buy this specific shower so do not want to consider the venturi...

Hi guys, am doing the bathroom and getting a plumber in shortly to install various bits. I live in a flat that has a communal and v large hot water tank along with a much higher pressure cold supply. I am looking at purchasing a digital pumped grohe shower as we want a specific model - the...