"Christian McArdle" wrote in message
. net...
Also, having two boilers means that your
minimum modulation gets worse. In a
marginal heating situation, bumping along
the bottom at 4-8kW,
Modern combi's have anti-cycle controls and also stat/programmers do too.
cycling will be minimal for each, and more than just having one boiler,.
_________________________________________
Usenet Zone Free Binaries Usenet Server
More than 120,000 groups
Unlimited download
http://www.usenetzone.com to open account