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Last seen: Apr 29, 2025
@hughf I have bought a manual crimping tool with several Viega sets of copper 15,22 and 28 mm fittings. I have bought a spare Grundfos motor with...
@iancalderbank @derek-m Many thanks for your help over the last few weeks. Believe me , and this is not a cynical comment " I appreciate your pati...
@iancalderbank Hi Ian, Again many thanks. I will have to fix this myself , here is very complex block diagram of my Heat Pump. The System wa...
@derek-m @iancalderbank I am also having difficulty with my Heat Pump. My System was originally a "plumbed In " Heat Pump manufactured by Telford...
@derek-m Is my Heat Exchanger really a buffer tank? Hi Derek, My Heat Exchanger is a Heat Exchanger! I did not want , or order, a heat exchanger o...
@iancalderbank My Volumising tank was originally designed and selected by Samsung Dallium , Samsung's own service depot at Wigan . My "installe...
@derek-m @william1066 I now control of my Primary Water loop as a function of the room Temperature. Yet another Arduino, A new function "yetaardui...
@derek-m Hi Derek, No , I am still hyper-Cycling! YES, I am still loosing lots of energy across the Heat Exchanger , pipes et al.! After near...
@cathoderay My "installation" was fitted with a 50 l Volumising tank some six months after it was "installed". I was given at least four opinions...
@william1066 Grundfos PUMP PWM Frequency....I stand corrected William........The Frequency range of the PWM signal is indeed 100 Hz to 4Khz!I mist...
@william1066 Grundfos PUMP PWM Frequency.... I stand corrected William........ The Frequency range of the PWM signal is indeed 100 Hz to 4Khz! I...
@cathoderay I have used a cheap "Danfoss" Water Power meter on my Radiator circuit. My Radiator circuit is isolated from the Heat Pump water loop...
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Latest Posts
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RE: Cooling with air to water heat pumps
A quick update. I finally found a 'solar' roller bli...
By springswood , 33 minutes ago
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RE: How Accurate Is My DIY Heat Loss Calculation?
85kWh of gas usage, divided by 24 gives 3.54kW and adju...
By Old_Scientist , 1 hour ago
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New Vaillant Arotherm controls link to existing thermostats ; wired vs wireless
I am feeling baffled and worried:We are having a an Aro...
By GutoFfowc , 12 hours ago
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
@rob-of-york Thank you, I’m thinking along these same l...
By Toodles , 15 hours ago
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@Mars Good questions! The downstairs unit did the maj...
By Rob of York , 15 hours ago
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RE: Questions about A2A for heating as well as cooling
@donciccio I would suggest that you take a "fabric-fi...
By Rob of York , 15 hours ago
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RE: Volumisers in Heat Pump Systems: Does Placement Matter?
@dave, I think @jamespa has probably identified the mos...
By Mars , 1 day ago
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RE: Plug and play solar. Thoughts?
My thought is simple. Bring it on and bring on plug in...
By JamesPa , 2 days ago
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RE: Heat Geek mini store vs pump size
Yes I agree, that’s why Heat Geek have most likely sele...
By Tomtheheatingengineer , 2 days ago
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RE: Who's your electricity provider and what's your tariff?
@chandykris Swings and Roundabouts, you win some…. ...
By Toodles , 2 days ago
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@tomtheheatingengineer, thank you, and welcome to the f...
By Mars , 3 days ago
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
@majordennisbloodnok @tomtheheatingengineer For my ...
By JamesPa , 3 days ago
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RE: Is the "divide by 2900" rule still valid?
Really flow rate is a pipework limitation not a water p...
By JamesPa , 3 days ago



