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its not pumpimg from the mains its pumping from the storage tank, would have a job contaminating the mains unless it could climb up the ball cock.

Hi did not go for the accumiltor route on the basis that at peak times with only 15mm and under 2 bar it would not give me a ott shower, probably would be acceptable, but why settle for that if you can have a luxary shower for a days plumbing and the cost of a pump, as most of the original...

thanks for that makes sense, will get it rigged up next week, should not take long as the gravity fed pipes are going to be utilised. any suggestions on best height to mount pump, above cylinder or on floor.

thought i'd use pressure adjustable reducing valves as you can set them easier to 1bar in order not to trigger the pressure switch on the pump however if you think flow restrictors would be better then i'll consider it thanks,

its 2bar on a guage in front garden tap flow is 8ltm the mains 15mm, tried it temporay with hep running to bathroom, terrible pressure, been using the same cwsc for two years before boiler packed in with a 2.4 bar shower pump gave a good shower but now adding body jets as well, not had any...

thanks for link had the machine mart one in mind but this looks better and if its been used in systems thst you know of then i'll go for that.

thanks for link had the machine mart one in mind but this looks better and if its been used in systems thst you know of then i'll go for that.

can i getaway with the pump i have if i position it on the floor next to cylinder then it will be pushing upwards rather then a negative head pump. if not then i'll replace pump.

thanks where is the best place to fit the accumilator and average size for this set up or shall i purchase a pump fropm machine mart with the 2lt tank.

thanks for the reply regarding negative head, does this still apply even if my pump is below the cwsc as it will have a head of 6m

the cwsc is the original one used in the gravity fed sytem and is already there, the pump is a calpeda mxhn 204 it claims to do 60lt at 40m head http://www.calpeda-pumps.co.uk/mxh.pdf if i fit an accumilator would it be a benifit unless it was big enough to substain the shower need, i understand...

can anyone see a problem with this set up, got a unvented direct cylinder 250l fitted with a balancing valve set at 3bar to supply hot to cylinder and cold to house, was going to set pressure switch to come on when there is a large pressure drop hence fitting reducing valves to basin and sink...