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: Setback savings - fact or fiction?
No need to create a new thread, @sheriff-fatman. You do...
By Majordennisbloodnok , 6 hours ago
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RE: Power outages and storms: A surprisingly good DNO experience
Well done to Scottish Power for doing a good job. Well ...
By Majordennisbloodnok , 6 hours ago
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RE: Advice for a novice on Mitsubishi Ecodan 6kW
Fair point. The highest frequency of defrosts I'd seen...
By Sheriff Fatman , 7 hours ago
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RE: Heatpunk Floor plan issues
It's usually the complete opposite... seldom that Safar...
By Mars , 7 hours ago
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RE: RDSAP10 effect on existing heat pump EPC rating?
@mike-patrick interesting update - thanks.I've been thr...
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RE: Recommended home battery inverters + regulatory matters - help requested
I remember reading in some inverters. They mandate a se...
By Batpred , 9 hours ago
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RE: Fan is clipping ice build up from the front of unit.
@majordennisbloodnok I’ll not go there thanks! Toodles.
By Toodles , 10 hours ago
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RE: Running from backup generaor in powercut?
@majordennisbloodnok Back in the 80’ or 90’ we had a te...
By Toodles , 10 hours ago
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RE: Running my new Nibe ASHP efficiently
I'm new to the forum. Did you get a reply to this last ...
By Mike @ Camelot , 11 hours ago
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RE: ASHP Energy Consumption: Aira 12kW heat pump
@grantmethestrength MCS requirements for DHW capacity h...
By Toodles , 12 hours ago
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RE: New Mitsubishi Ecodan 11.2kW installation - L9 errors and maybe more
Great to hear! I just figured this out a day or tw...
By anotherdaveuk , 13 hours ago
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RE: Help me keep the faith with my air source heat pump installation
@adamk I'm observing my own system at low temperatures ...
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RE: Free Ecoheat Heat Pump Install
@deltona Yes older houses are problematic like that, bu...
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RE: Radiator sizing sanity check
As I mentioned early on the cost of supplying and fitti...
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RE: Electricity price predictions
Great point, one of the key ones in my chat with Octopu...
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RE: New Fogstar 15.5kWh upright solution
Let me point out that there are many Chinese suppliers ...
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RE: Weather compensation- why you should use it
@majordennisbloodnok — The Two Ronnies Mastermind sketc...
By cathodeRay , 2 days ago
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Just realised that this image of the cylinder cupboard ...
By Sheriff Fatman , 3 days ago
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RE: Rodents! A word of warning for heat pump owners
Two thoughts: 1: Let's ask @david-s if Primary Pro in...
By Transparent , 3 days ago
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RE: Solis S6-EH1P8K-L-PLUS – Why I Chose It and What I’ve Learned So Far
In the diagram below, I describe my understanding of th...
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