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Aldi boiler

I've got an Aldi boiler that has a very slow water leak in the state somewhere. I will get it fixed soon! But, in the mean time, how do I top up the system? I can't see a header tank or anywhere obvious to put water and antifreeze in to it?

Asked by: Carl Young  | 1.27pm, Thursday 26 September

WW says:

Which model of Alde boiler- the tall, thin Comfort unit, or the Compact model?

Mark Langley  | 2.11PM, Thursday 26 September

The tall, thin Comfort boiler usually has a header tank installed about the boatiler heat exchanger- and the circulation pump is mounted here. Unscrewing the pump allows you to top up the system (with a 50:50 mix of antifreeze and water) and there are maximum and minimum marks on the container.
To get to the tank, you need to move the upper cover of the boiler.
Sometimes an addition header tank is installed, which may be a sealed unit.
The Compact boiler must be fitted with a seperate header tank (which also facilitates bleeding of air from the system). This can be located remotely from the heating- often in a wardrobe, engine room or airing cupboard.
Full manuals for all the Alde heating systems can be downloaded for free from http://www.alde.co.uk/manuals.php

Mark Langley  | 2.38PM, Thursday 26 September

Readers say:

Thank you. Water now topped up and all running smoothly.

Carl Young  | 5.53PM, Tuesday 1 October

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