Only registered users can write reviews please. Conventional boilers (also known as 'heat only' and 'open vent') function only with a tank and a cylinder they use gas to heat up the water that is stored in the cylinder that is fed through a cold-water cistern a regular boiler provides the heated water for the central heating when some of the water evaporates, the feed and expansion tank supports.
Added: 2018-06-15 | Comments: 0 | Category: boiler replacement