YAPH wrote:
On Sat, 09 Jan 2010 08:20:49 -0800, Lee Nowell wrote:

Also, how long have you had the heating on for? I have the pipes laid
in a concrete floor and it takes a good day (or longer) for it to heat
up with the UFH on continuously.

Something wrong there then. Should be no more than an hour or two even
with a thickish concrete slab.



Oh the floor may be warn in an hour, but the actual rate at which it
transfers to the rooms is pretty low.