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DavidAlgarve
@davidalgarve
Member
Trusted Member
405 kWhs
Joined: Dec 1, 2023
Last seen: Mar 30, 2024
Profile Activity
Topics: 5 / Replies: 28
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RE: Hot water circulation

My DHW tank (heated from an ASHP) is on to ground floor and water displaced from the hot water feed pipework, would be pushed along the cold water pip...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Hot water circulation

Thanks Ian. The type of purpose-made unit I have in mind is on many YouTube videos and is fitted with T's into the hot and cold supply under the sin...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Topic
Hot water circulation
2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Replies: 4
Views: 160
Reply
RE: Slash Your Heat Pump Bills Overnight

The maths attached to a cost analysis of this approach sounds daunting. It seems to me that there are two variables that would need to be evaluated...

3 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Secondary pump speed - how much slower should it be?

Thanks Gary. That is a new, and interesting bit of inside information that I am pleased to learn. I think this may be useful in balancing the radiator...

3 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Secondary pump speed - how much slower should it be?

I am finding that this topic is becoming more complicated than I can handle. As I understand the Ecodan Hydrobox, it has a single pump with 5 speeds...

3 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Secondary pump speed - how much slower should it be?

Derek M is correct in that the Ecodan has a 5 speed pump and this is currently set at max of 5. I was just hoping for a meaningful measure of performa...

3 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Secondary pump speed - how much slower should it be?

By "taking the buffer tank out of circulation" I mean removing the secondary pump and using the buffer tank just as a volumiser

3 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Secondary pump speed - how much slower should it be?

Thanks JamesPa - have only just picked this up. I have the contractor visiting who is primarily a solar installer but he added the DHW system and I ...

3 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Secondary pump speed - how much slower should it be?

Thanks Derek M for the further update. I have approached the contractor that installed the DHW system (including the 3 way valve) and he will make the...

3 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Secondary pump speed - how much slower should it be?

@derek-m You would be most welcome and 3 bedrooms available. I would consider it good value!

3 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Secondary pump speed - how much slower should it be?

I am most grateful to both Derek M and JamesPa for their advice, and I would just like to confirm how the tank is used as a volumiser, only in the ret...

3 months ago
Forum
Air Source Heat Pumps (ASHPs)
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