That Honeywell system, does it actually control the boiler or just the valves on the rads? IE. does it switch the boiler on and off to meet temp or just regulate the rad valves? Does the CH part of the boiler need to be constantly on? Excuse my ignorance.
That Honeywell system, does it actually control the boiler or just the valves on the rads? IE. does it switch the boiler on and off to meet temp or just regulate the rad valves? Does the CH part of the boiler need to be constantly on? Excuse my ignorance.