fitting new bathroom in my house and replacing the old electric shower with a thermastatic mixer shower. I was wondering if it mattered where i tapped into the pipe coming of the top of hot water cylinder to feed hot supply to shower pump, I know that in normal mixer valves there can be fluctations in shower temperature when taps are run else where in the house. I have a back boiler, indirect system,

any help where to take the draw off from would be great

CHEERS

Follow the manufacturers best practice when you get the pump.

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Maybe easiest way would be for you to fit a surrey flange on top of cylinder as most pumps require a dedicated feed ,as should be the cold, straight from tank to pump
But as said check mi and fit as per

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cheers for that info, but the area where the cylinder is located is really tight above head height, and was wondering if i could t off the hot feed in the loft straight down to the pump, instead of disconnecting the cylinder completely bringing it down and fitting the surrey flange. would t off affect draw offs else were, or am i right in saying that thermastatic mixer showers self regulate when thers a pressure differance, if worst comes to worse i will fit the surrey flange, are they reasonably easy to fit...
cheers

Teeing off up in the loft is a no no. If not surrey flange (which is easy to fit) then it has to be the first tee off out of the cylinder. Best practice see pump manufacturers instructions, maybe take you a little more effort, but worth it in the long run.

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