Questions tagged [combi]

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Trying to wire a nest thermostat E in UK with 2 live wire and 2 neutrals

I live in the UK and am trying to replace a Honeywell WiFi thermostat with a Google Nest thermostat E. I have 2 3-core wires coming into my thermostat, 2 live and 2 neutral wires, 1 pair I believe are ...
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what to do if your water is taking too long to heat for Combi Boiler?

As you understand , what to do if your water is taking too long to heat for Combi Boiler? Note : Regular maintenance is done every year. thanks
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Does my boiler try to heat water in my tank if it's already hot?

I've got a combi boiler which heats the hot water tank using the indirect method. I use Hive to control it. I'm trying to work out: if the hot water is set to on for an hour, will the boiler ...
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121 views

How can I figure out if a Combi Boiler will be adequate for my house?

We recently moved into our new home that currently has a Super Hot MG-100 Hydronic Boiler (installed in 1986, when the house was built). Clearly, it's done its job and in need of a replacement. We had ...
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Valiant Boiler - 3 months old

In September I had a Valiant boiler fitted in my 2 bedroom house. It hasn’t worked properly ever since. Every time I put the heating on my pressure drops from 1.5 to 0.3 bars and I get the spanner ...