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Last seen: Jul 3, 2026
@jamespa I think you are right about a hotel type hot water feed. Hot water seems to return, see the secondary return shown in this section of dia...
@paullacey From the diagrams I assess you have 2 heat pumps plumbed in "tandem" but controlled in "cascade". What the second heat pump can do is the s...
@bontwoody "but after a minute the 3 way valved closed." I might be wrong but could it be a 3 port, 2 way valve with mid-position? Oper...
@grahamf To save wear and tear on the pump why could you not run weather comparison during the winter months only, and fixed temp. for the other month...
@jamespa Surely the problem will be grid undersupply i.e when the wind fails to blow just when you need it to! This is the problem that needs to ...
@jamespa or it might be related to the number of nuclear power stations closed over that time frame? Since 2008, five UK nuclear power stations have...
@jamespa had the closure of coal powered electricity generation had a part to play in general increase? Rapid Decline:Coal's share of the UK's elec...
@toodles, touché chez. /\
A question for Inspector Watson?
@guydeb I take it you've not explored the option of using a single phase to 3 phase converter to run a 18kW 3-phase heat pump. Instead of £44k on a gr...
@ecobaker I'm still thinking that something is triggering the valve to close. In cooling mode on the rad, what are you setting as the rad target tem...
I see that these fan coil radiators either come with a two-way or three-way control valve built into them. What does the valve do? Well from a quick ...
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Degrees of Separation
Latest Posts
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RE: Renewables uptake near you
In our road of approx. 100 houses, I know of only one o...
By Toodles , 21 minutes ago
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RE: Vehicle-to-Home with a Heat Pump: Is the Technology Ready and Which EV Should I Buy?
I looked into that wallbox a bit more off the back of t...
By Majordennisbloodnok , 55 minutes ago
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RE: Samsung Heat Pump – Can't Activate TW2 Pipe Sensor (for Delta T Control)
@jamespa Buffer, yes 😀 Volumiser, you mean t...
By bubuontheweb , 1 hour ago
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RE: Say hello and introduce yourself
@jandp awesome system I hope it works out well.
By Judith , 2 hours ago
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RE: What is possible with FIT, SEG, Hate Pumps and Batteries?
On the right tariff, there is no reason a well installe...
By Old_Scientist , 3 hours ago
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RE: GivEnergy inverter tripping due to over-voltage?
It's worth also remembering (as @transparent partly cov...
By Majordennisbloodnok , 21 hours ago
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@transparent I would imagine that DW’s inverters are no...
By Toodles , 24 hours ago
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RE: Summer heat is becoming the new winter cold in the UK. What are you doing about it?
@judith Standard UK style plastic frame double glazing ...
By EtchedPixels , 24 hours ago
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RE: Surface mount or bury primaries for heat pump installation?
@bobflux That's the stuff. The installer recommended tw...
By tomasmcguinness , 2 days ago
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RE: Solar Power Output – Let’s Compare Generation Figures
@chandykris Indeed, the elevated temperature does atten...
By Toodles , 2 days ago
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RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
Anyone able to share the name of a competent independen...
By Papahuhu , 2 days ago
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I applaud you for this initiative; however, I can see a...
By L8Again , 3 days ago
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RE: Nook batteries from Octopus
Both of octopus' new batteries are Fox ESS units re-bad...
By sonosppp , 3 days ago
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The drawing is fine and perfectly understandable except...
By bobflux , 4 days ago
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RE: Design Of Cascade System Replacing Undersized ASHP
How does the installer propose to control it? Do Clivet...
By alincork , 4 days ago
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