Central heating has always been a potential problem. Mainly the pump. Possibly a dodgy diverter box. (Whatever it's called).
The indispensable man or woman passes from the scene, and what happens next is more or less the same thing as was happening before.
My broadband basic info/help site - www.robertos.me.uk.
Domains, site and mail hosting - Tsohost
Connection - AAISP Home::1 80/20. Sync 59999/14372kbps @ 600m. - BQM