In article ,
John Aston wrote:
Could I ask why you want better control than that provided by an
ordinary stat?


As the hot water near its setpoint temperature, the boiler can slow the
primary heat rather than overshoot.

So this wouldn't be a direct replacement for a cylinder stat? But
integrated into some form of microprocessor control?

--
*If you must choose between two evils, pick the one you've never tried before

Dave Plowman London SW
To e-mail, change noise into sound.