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Derek M
@derek-m
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Illustrious Member
Joined: Mar 4, 2021
Last seen: Sep 19, 2024
Profile Activity
Topics: 7 / Replies: 4403
AllTopicsReplies
Reply
RE: Daikin Altherma 3M in Buckinghamshire

Hi Bridget, The valve in the photo is the bypass pressure relief valve. What you describe as the snoring noise, I believe, is this valve opening and...

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Daikin Altherma 3M in Buckinghamshire

Hi Bridget, It is difficult to tell from the photo's, but I believe the black object in the lower section of the first photo is the 3-way diverter v...

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Daikin Altherma 3M in Buckinghamshire

An installation with a buffer tank would normally have a secondary water pump. Can you provide photo's of your system?

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Daikin Altherma 3M in Buckinghamshire

Hi Bridget, After bleeding the air from the towel rail, did you top up the water in your system? The required system pressure is normally around 2...

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Electricity price predictions

I think in the longer term relative energy costs will reduce as more renewable generation becomes available, but whilst the fuel source may be free, t...

5 years ago
Forum
Electricity, Tariffs, Monitoring, Electrics & Providers
Reply
RE: Electricity price predictions

I try to look at the issues from all angles. It would certainly be more cost effective for National Grid (NG) and the local DNO's, if they can convi...

5 years ago
Forum
Electricity, Tariffs, Monitoring, Electrics & Providers
Reply
RE: Daikin Altherma 3M in Buckinghamshire

It is possible that you have air in the system. there should be an air release valve within your system. It may also pay to bleed any radiators and to...

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Whilst Regs allow on-off simple thermostats (Nest, Hive, Heatmiser, Honeywell, etc) Installers should never be responsible for failing heat pumps!

Hi Ian, Welcome to the forum. I would advise against having any form of thermostat (On - Off device) with an ASHP. For most efficient operation I ...

5 years ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: Vaillant AroTherm 7kW Air Source Heat Pump

@heat-pump-newbie Hi Newbie, I don't seem to be able to access the private message that you sent yesterday evening, and for some reason I am not ...

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: New PV+ battery system, help required

@transparent Hi, I think that may have adequately clarified your message now, and hopefully got it out to a wider audience. 😎

5 years ago
Forum
Solar Photovoltaic (PV)
Reply
RE: New PV+ battery system, help required

@transparent You cannot just connect and disconnect such a system to and from the grid, without correct synchronisation. That is one of the reasons...

5 years ago
Forum
Solar Photovoltaic (PV)
Reply
RE: New PV+ battery system, help required

Hi Transparent, From what I gather the SMA system is not just like a UPS, but actually allows any output from a solar PV system to continue to provi...

5 years ago
Forum
Solar Photovoltaic (PV)
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