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Last seen: Nov 12, 2026
was due to have the HP installed next Monday. now dont have an installer and just got two 28mm pipes sticking out the wall i had my plumber put in rea...
Need help with a diagram of what’s need for a base for a 7kw Vaillant. Also what the optimal gap to leave between the wall of the house and corner of ...
is it ok to heat the HW tank using a plate exchanger? as they want to use one just for the HW tank.
red is 28mm orange is 22mm.
this is a rough diagram of the pipe runs, beyond the 28/22mm runs it drops to 15mm to rads. for scale the Kitchen is about 5.3m x 3.2m.
my worry is most of the 28mm and 22mm runs are in the kitchen ceiling so quite a bit of heat is going into the corner of the house where we dont sit m...
not sure if i should insulate the 28mm flow and return that goes to the radiator circuits. they are quite a long 8m approx. L shape run with other rad...
jees ive got 2 hopes of heating my bathroom then. someone suggested an standard design aluminium rad, instead of a towel rad, but im worried in a copp...
@gary so does that mean at a dt of 50 the actual flow is 70c for a 20c room temp?
so why dont sites list the output based on flow temp? cause most seem to use dt.
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