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Do Combi-Boilers effectively 'waste' water?


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The engineer who serviced our boiler said the wait for water to get hot is an issue for older combis. Interestingly, when the central heating is on, the water gets hot fairly quickly. I don't use the run off to flush the loo etc, but in the summer I often fill a spare bowl and use it to water the garden. I feel quite virtuous doing that, but even as a Scot I'm not tight/careful enough to resort to things like putting unused hot water out of the kettle into a flask for later. Yes, an old boss of mine did just that!

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Hi Pete. I wouldn't worry if I were you.

 

Water costs roughly £2 per cubic meter. Assuming that your pipes are roughly 1cm in diameter, you could fill over 25 km of pipe for £2.

 

As others have said, the saving on your gas bill is more significant.

Edited by MLAR
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As often as that?...:shocked:

 

yes, and sometimes I have a bath instead. Lol

 

---------- Post added 08-01-2016 at 09:57 ----------

 

The engineer who serviced our boiler said the wait for water to get hot is an issue for older combis. Interestingly, when the central heating is on, the water gets hot fairly quickly. I don't use the run off to flush the loo etc, but in the summer I often fill a spare bowl and use it to water the garden. I feel quite virtuous doing that, but even as a Scot I'm not tight/careful enough to resort to things like putting unused hot water out of the kettle into a flask for later. Yes, an old boss of mine did just that!

 

We can even do better. If you really want to save money you can fill buckets with it and use them to flush the toilet.

Edited by spilldig
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yes, and sometimes I have a bath instead. Lol

 

---------- Post added 08-01-2016 at 09:57 ----------

 

 

We can even do better. If you really want to save money you can fill buckets with it and use them to flush the toilet.

 

I do hope you 'share' the water! It's the 'green' thing to do, then use the leftovers to bucket down the loo. :cool:

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Why the horror at only putting one cup in the kettle? It takes far less time to boil and saves a lot of energy and hence money (if thats all you're bothered about). The kettle is one of the most power hungry things in the house.

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They're multipurpose. You could even use your existing mop bucket. See...I'm not daft :suspect:

I'm not daft either, Mr Pete!... :roll:

 

... but I'm just not up to working out how many times you'd need to fill a bucket with 'waste' water in order to break even on the cost of the buckets. :huh:

 

I'm sure some forum boffin with nothing better to do kind person will be along soon with a detailed cost/benefit analysis... ;)

 

---------- Post added 08-01-2016 at 13:01 ----------

 

Why the horror at only putting one cup in the kettle? It takes far less time to boil and saves a lot of energy and hence money (if thats all you're bothered about). The kettle is one of the most power hungry things in the house.

:huh:

I take it you don't have a partner then Mr Tim? ;)

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I'm not daft either, Mr Pete!... :roll:

 

... but I'm just not up to working out how many times you'd need to fill a bucket with 'waste' water in order to break even on the cost of the buckets. :huh:

 

I'm sure some forum boffin with nothing better to do kind person will be along soon with a detailed cost/benefit analysis... ;)

 

I think the answer must be somewhere around 2 1/2 Bananas. Or something like that! ;)

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