Hi,

I've recently moved in to a new house with an indirect oil fired
burner. As the rooms have always been at best 'Lukewarm', I increased
the temperature on the Burner to 75C. It had originally been set to
60C and I thought this would solve the problem.
However, there has not been any considerable increase in room
temperatures. The sole benefit of Increasing the burner seemed to be
heating the cylinder tank which now has scalding hot water!!

There is no thermostat on the cylinder. Is it safe to assume that the
cylinder is 'robbing' the radiators of the heat that is required to
heat the rooms. I Don't think there is anything wrong with the
radiators themselves are they all warm consistently, but just not
enough to throw out the heat required, even with the increase of
temperature on the boiler.

Would a thermostat fitted to the hot water cylinder and set to 60C
provide extra heat to the radiators?

Any advice greatly appreciated,
Regards,
John.