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love it!

LOL!!

THANKS TO YOU BOTH.

can any body please explain to me the calculation for determing the height of the vent pipe above a 50 gall cistern and the gap between the water level and the pipe.

I just had a look on google. Should be perfect.Thanks.

Hi any advice on installing a shower using mains cold and gravitg hot.Was hoping to use a pump on hot.

:D

was hall ok before you put new rad in?

right then thanks tou you both . am i right to think vented copper cylinders run about 1 bar and megaflos etc run at 3ish bar?

No prob thanks.

Ok thanks.

i was just tryin to get to the bottom of why a standard cylinder cant be used. i take it it would fail near connections or even split? but if used vented it runs about 2.5 bar but you cant use with mains pressure set at 2.5 bar.??is this because as it heats on mains pressure will rise above2.5 bar?

so if i used pressure reducing valve set to 2.5 bar it would work??????????? in theory? :roll:

ok thanks. out of interest what pressure is involved with vented cylinder and also mains?

Hi is it possible to convert a house to mains pressure without using a megaflo or the like. ei leaving the cylinder in place and fitting a pressure vessel. any advice appreiciated.

bin it and fit a new un.

Ok thanks for your help. i have got it sorted now.

Hi thanks, do you mean call my local plumbcenter?

Wil do. Thanks.

Hi i meant its not a quick release with the button on side like the new draytons.Pretty sure it is a drayton tho. was just hoping the wire colors on old unit would match new one.I havent removed it yet or looked at the wires tho.Seems bg put their label on many heating components?