On Wed, 04 Jan 2006 11:45:53 +0000, John Rumm
wrote:

Stuart wrote:

Thx John......IIRC the TRV's and the lockshields were fairly new
anyway at the time .As for the radiators they seemed /seem ok.
What might have been a problem and still would be presumably is that
the system is fed from a cold water tank in the communal loft and did
at one time serve several other flats ( which had hot water cylinders
but now have combis,me being the last one ) so inhibitor isn't used .I

The tank that feeds the hot water cylinders etc would have to be
different from the one that serves as a feed and expansion tank for the
CH - so that would not preclude use of inhibitor.


It's a single feed Primatic I have so the cold water going in from
this tank in the attic fills the HW Cylinder and that serves both the
CH and DHW ( in my flat anyway as the others ,as I said,have had the
cylinders replaced and combis installed ) .The only other pipes
connected to the cylinders are the DHW outlet and an expansion vent
which goes back up to either the roof or the attic where it is vented
back in to the tank..













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