How a combi boiler system works.
Combination boiler combi boiler central heating system diagram.
Combi system this diagram illustrates how simple the heating system connected to a combi boiler is.
A primary heat exchanger.
Combi is short for combination.
How a combi boiler works at least a modern combi boiler is.
For central heating 2.
A combi boiler system combines central heating and hot water within the same compact unit.
In direct contrast open vent also called regular standard or conventional boilers and system boilers heat water that s stored in a tank.
Central heating diagram mike the boilerman.
Should anything happen to the boiler breakdown you would be left with no heating and hot water.
For central heating 2.
An automatic bypass valve is fitted inside most combi boilers by the manufacturer these days.
They have two heat exchangers inside them.
Secondary plate heat exchanger.
No external pump no tanks no external expansion vessel no motorised valves and in many cases item 6 is not needed either.
Central heating diagrams showing pipework layouts for the various types of heating system.
A primary heat exchanger.
The diagram to the right shows how a combi boiler is usually installed.
Mike the boilerman your gas safe registered boiler and central heating.
The cold feed enters the boiler is heated in the heat exchanger and then passes out of the domestic hot water outlets when a hot tap is opened.
A secondary plate heat exchanger.
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.