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Last seen: Jan 6, 2026
That's a great photo to show of the pipework. It appears to show a low loss header (black vertical cylinder), which has been bypassed. There are two...
Thank you. The proposed ASHP would be a low power (4kW) device connected to an existing supply. Do I still need to inform the DNO? Thanks Bob
Hello everyone, time for a dumb question. Am I allowed to self install a heat pump in the UK? It would be the only one on the property. It would...
Excellent, I'm glad it's settled down. Regards Bob
I think your original calculation was based on propane LIQUID. You measured propane GAS volume, then converted it to LIQUID volume, then worked out ...
I wonder if those charts could be redrawn to make the LWT and RWT trends easier to read? Was the system in eco mode during the night when it was cycl...
@sussex-greenish I like your logic. Where does the 65.33kWh come from? I guess your LPG bullet has a flow meter on it and you've looked at the ca...
@Terry1812 welcome, you're going down a thermodynamics rabbit hole 🙂 Long story short, yes you're correct. At a fixed flow and a fixed DT your po...
🙂 I'd love to know what you find out, please post the solution. Regards Bob
OK, that is a pressure relief valve for your hot water cylinder, not your heating system. That valve is to protect the cylinder from bursting. There...
I know there's a lot of people offering help and advice, that's the great thing about the internet! 🙂 If you're using 100kWh per day, that's 360,00...
The valve on top of the red expansion tank is what's used to fill the air bladder inside the tank. It's good that water didn't come out. The install...
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RE: End-of-Life Heat Pumps: How Do You Dispose of an ASHP in the UK?
I brought my old R407C water to water heat pump to the ...
By bobflux , 10 minutes ago
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Its good kit the Midea and significantly cheaper, you w...
By ASHP-BOBBA , 46 minutes ago
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RE: Indevolt Batteries UK Support & Info Thread
Have you tried cutting the grid feed to see what actual...
By JamesPa , 49 minutes ago
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Contractors pack for inta antifreeze valves are around ...
By ASHP-BOBBA , 50 minutes ago
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RE: Renewables & Heat Pumps in the News
Critics and naysayers will be negative whatever the gov...
By JamesPa , 53 minutes ago
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RE: Microbore heat pump installs
In principle you are almost certainly right, but in pra...
By JamesPa , 11 hours ago
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RE: Electricity price predictions
@old_scientist We are a low mileage home, so bulk of ou...
By ChandyKris , 13 hours ago
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There are just too many unknowns for me to comment on p...
By Transparent , 14 hours ago
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RE: What is the main ‘dictator’ of Agile’s unit price?
@toodles I keep an eye on wholesale prices and energy m...
By ChandyKris , 15 hours ago
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RE: Brand and installer questions for ASHP
Strange, perhaps it doesnt use modbus which the third p...
By JamesPa , 17 hours ago
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RE: Upgrading my system, how far do I go?
For comparison, my PW3 with 11.04kW inverter, will char...
By Old_Scientist , 20 hours ago
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RE: Changes to Tesla Powerwall Charging Regime?
Elon gate - legendary! I take my hat off to you @toodle...
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RE: Mitsubishi Ecodan not good enough ?
Thanks @goody, appreciate the feedback and sorry you ha...
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RE: Minimum and Zero Disrupt Heat Pump Installations
True (first sentence) Thats the reason to consider th...
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RE: High air source heat pump running costs – Vaillant AroTherm Plus
Quite right. I was using a rough guesstimate of doublin...
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RE: My Grant R290 9kW Heat Pump Installation
Again, really don't know how accurate this is! &nb...
By petch , 2 days ago
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RE: MCS Quality Audit – Has Anyone Had One? Did It Lead to Remediation?
@toodles The whole scheme is a shocking waste of money....
By Papahuhu , 2 days ago
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RE: Anyone concerned about GivEnergy?
Many thanks for your, and the subsequent, answers tk qu...
By KevH , 3 days ago
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RE: DIY or Don’t Touch? Solarman Smart Meter Install
Yes, and these guys would probably be my preferred inst...
By Batpred , 3 days ago
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RE: Hot water tank lose heat rapidly on random days
@jamespa Hopefully their reasons are well intended! ...
By Bash , 3 days ago
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RE: Ecoflow UK Support & Info Thread
As mentioned above, we’ve got our full review of the Ec...
By Mars , 3 days ago
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RE: Say hello and introduce yourself
@sonosppp welcome to the forums. I see you've posted in...
By Mars , 4 days ago
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RE: Guidance with installing a new heating system
@bobflux Great, thanks for the advice. The pipe has an ...
By Hamilton , 4 days ago
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RE: Daikin Altherma 3 LT compressor longevity question
@optimistic-optimiser I have has a Daikin for a few yea...
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RE: UK DIY Battery: SEPLOS 48V 200Ah x2 + Sunsynk 8K – Safe Installation for Garage Conversion
The rule of thumb is to ensure that you can isolate any...
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