Combination Boiler Combi Boiler Central Heating System Diagram

Secondary plate heat exchanger.

Combination boiler combi boiler central heating system diagram.

A combi boiler system combines central heating and hot water within the same compact unit. A primary heat exchanger. Mike the boilerman your gas safe registered boiler and central heating. The diagram to the right shows how a combi boiler is usually installed.

Central heating diagrams showing pipework layouts for the various types of heating system. For central heating 2. For central heating 2. Combination boiler system diagram often referred to as a combi boiler this type of installation heats hot water as you need it without the need for a hot water storage tank.

A primary heat exchanger. Should anything happen to the boiler breakdown you would be left with no heating and hot water. Combi is short for combination. Fully pumped one pipe gravity combi etc.

In direct contrast open vent also called regular standard or conventional boilers and system boilers heat water that s stored in a tank. They have two heat exchangers inside them. An automatic bypass valve is fitted inside most combi boilers by the manufacturer these days. They house two heat exchangers.

So in places where space and hot water requirements are limited such as flats these can be very popular systems. How a combi boiler system works. There is one small consideration. Central heating diagram mike the boilerman.

No external pump no tanks no external expansion vessel no motorised valves and in many cases item 6 is not needed either. How a combi boiler works at least a modern combi boiler is.