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errmm
@errmm
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Joined: Jan 28, 2026
Last seen: Feb 11, 2026
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Topics: 1 / Replies: 8
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RE: If a heat pump can only heat DHW to 50C then what? Issue with 18KW Heliotherm heat pump

House was finished several years ago, complicated a bit because home build was impacted by covid. Still waiting for reply from them on what the DHW...

3 weeks ago
Forum
Domestic Hot Water & Cylinders
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RE: If a heat pump can only heat DHW to 50C then what? Issue with 18KW Heliotherm heat pump

Hi, No, we're currently in a situation where there isn't a confirmation that there is actually a problem. I've asked the installer to explain exa...

3 weeks ago
Forum
Domestic Hot Water & Cylinders
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RE: If a heat pump can only heat DHW to 50C then what? Issue with 18KW Heliotherm heat pump

Hi, Nothing yet. I've asked customer to measure flow and asked Heliotherm to explain exactly what that other cylinder does because it suggests inst...

4 weeks ago
Forum
Domestic Hot Water & Cylinders
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RE: If a heat pump can only heat DHW to 50C then what?

@jamespa Attached are a few photos I took from today. I also have a video if that might help. Mike

1 month ago
Forum
Domestic Hot Water & Cylinders
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RE: If the heatpump can only heat DHW to 50 then what?

Hi, Yes it's a big new house 2022, grand design ish. Probably almost passivhaus standard, EPC A 99.. So there's a circulation pump as well going on...

1 month ago
Forum
Domestic Hot Water & Cylinders
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RE: If the heatpump can only heat DHW to 50 then what?

Hi, The left is the buffer tank, the right is DHW. It's right is one of these It says it's fresh pure hot water on demand. So I don't don't unders...

1 month ago
Forum
Domestic Hot Water & Cylinders
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RE: If the heatpump can only heat DHW to 50 then what?

1 month ago
Forum
Domestic Hot Water & Cylinders
Reply
RE: If the heatpump can only heat DHW to 50 then what?

Hi Attached is picture of the tanks. It's a heliotherm. I've spoken with the installer and they mentioned flow rates on showers as well. Mik...

1 month ago
Forum
Domestic Hot Water & Cylinders
Topic
If a heat pump can only heat DHW to 50C then what? Issue with 18KW Heliotherm heat pump
1 month ago
Forum
Domestic Hot Water & Cylinders
Replies: 23
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