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Travellingwave
@travellingwave
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Joined: Jan 4, 2023
Last seen: Oct 31, 2026
Profile Activity
Topics: 2 / Replies: 63
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Reply
RE: DIY powerflushing tutorial

Nice contraption- I like this kind of thinking. Last year I built myself a vacuum degasser to get all the air out - you seem to have created the oppos...

7 days ago
Forum
DIY
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RE: Estimating true heat loss from twelve months of consumption data

Got thinking about an easy way to measure heat output of an existing boiler without having to do surgery on the old system. found these connectors ...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Estimating true heat loss from twelve months of consumption data

@ian33a if you have done what is practical insulation wise then best to focus on draught proofing.

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Estimating true heat loss from twelve months of consumption data

By the way we are very pleased with our heatpump in a 250 year old stone house. The thermal mass is massive so long low and slow works well - we just ...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Estimating true heat loss from twelve months of consumption data

@ian33a suspect thermal store and heatpump may not play nicely but not sure about that- do you have solar thermal as well?

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Estimating true heat loss from twelve months of consumption data

Note this version is suitable for up to 17kw heatpump - which is practically all heatpumps you are likely to install. Note also it is not calibrated...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Estimating true heat loss from twelve months of consumption data

I would imagine you can integrate this to home assistant - however I would recommend OEM as it will just work out of the box - and if you then subscri...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Estimating true heat loss from twelve months of consumption data

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Estimating true heat loss from twelve months of consumption data

@ian33a link to heat meter and Mbus dongle  

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Estimating true heat loss from twelve months of consumption data

We have one of these, displays flow in m3/hr to 0.1 accuracy.

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Estimating true heat loss from twelve months of consumption data

Just checked and a DN25 heat meter plus fittings is £325 from OEM plus you need an Mbus dongle (£46) To install would require draining down all or p...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Estimating true heat loss from twelve months of consumption data

Not sure how heat geek ‘estimate’ heat loss online but if based on an EPC then in an old house of hybrid construction including cob then likely to be ...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
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