Hi, New user here. We are currently in the planning stage of having a loft conversion (with en suite). The water pressure is border line for a combi so we will keep the current boiler with a negative head pump installed. We want to install a shower in the conversion but are confused as to what sort of shower we can have. We already have a electric shower in the current bathroom (which we want to keep), but have heard that we would not be able to have an electric shower installed in the en suite as well. Is this correct? With the negative head what would be the best type of shower to install? Thanks in advance.