Combination Boiler Combi Boiler Central Heating System Diagram

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.

Combination boiler combi boiler central heating system diagram.

For central heating 2. For central heating 2. Combi system this diagram illustrates how simple the heating system connected to a combi boiler is. There is one small consideration.

They have two heat exchangers inside them. A secondary plate heat exchanger. In direct contrast open vent also called regular standard or conventional boilers and system boilers heat water that s stored in a tank. 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.

Combi is short for combination. A combi boiler system combines central heating and hot water within the same compact unit. 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.

Central heating diagrams showing pipework layouts for the various types of heating system. Secondary plate heat exchanger. Should anything happen to the boiler breakdown you would be left with no heating and hot water. Fully pumped one pipe gravity combi etc.

How a combi boiler works at least a modern combi boiler is. The diagram to the right shows how a combi boiler is usually installed. No external pump no tanks no external expansion vessel no motorised valves and in many cases item 6 is not needed either. They house two heat exchangers.

An automatic bypass valve is fitted inside most combi boilers by the manufacturer these days. Mike the boilerman your gas safe registered boiler and central heating.