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WHO USED ALL THE HOT WATER!!! Need a simple temperature data logger ** UPDATE **

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Brumby:

--- Quote from: floobydust on August 24, 2023, 08:08:07 pm ---What are the chances the tank is undersized for the number of people taking showers?

--- End quote ---

As has been stated on more than one occasion ... that is not the problem being presented here.

floobydust:
To me it looked a little small, that tank diameter...
Datalog should be able to see the recovery time, if the system is working well or not.
I'm not sure how hard your water is, but here it's common for limescale and calcium buildup to impair heating.
Every year or two, we do an acid flush to get the scale out for natural gas heaters, they make a sound like popcorn popping due to local boiling inside.
Electric water heaters the element gets scale buildup and it can't transfer the heat, which eventually causes its demise from the heat.

Brumby:

--- Quote from: Brumby on August 24, 2023, 11:18:40 pm ---As has been stated on more than one occasion ... that is not the problem being presented here.

--- End quote ---

Again, I say, the performance of the hot water system is not the problem being presented here.

mendip_discovery:
You might want to monitor the ambient temperature. The speed of cooling may be affected by the ambient temperature.

Can you fit some lagging to the hot water pipe so that you loose as little heat from it when in use.

Have fun logging the data.

Brumby:

--- Quote from: mendip_discovery on August 25, 2023, 10:49:10 am ---You might want to monitor the ambient temperature. The speed of cooling may be affected by the ambient temperature.
--- End quote ---
It certainly will, but for the current measurement the speed of cooling isn't a big issue - just the fact that cooling can be identified is the important point.

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