Talk:Central Heating Controls and Zoning
We need an article on this. In the meantime here are some links to hard-to find PDFs for Honeywell progstats.
pump or boiler
"When demand from all the zones in an S-plan system has ceased and the zone valves have closed the boiler may still need to run on for a while to dissipate heat in its heat exchanger"
surely its the pump that runs on rather than the boiler? NT 12:05, 18 June 2008 (BST)