Last seen: Feb 24, 2025
@gary that’s great Gary, thank you. I’ll set everything to 21.5 so it’s always pumping. Then when it hits 22 it’ll stop, which won’t happen in sub zer...
After the recent issue I had the last time it was really cold, I spoke to Grant and they got me to make some adjustments to the parameters over the ph...
@tomnewarkcylinders hi Tom, thank you and thanks to everyone else who replied. it turned out to be a faulty shower that was causing the issue. Th...
@iancalderbank I can’t see anything like that. This is the bit where the water seems to mix, but I’m not sure. I guess if that’s faulty it will need r...
Thanks everyone. I’m not sure what the blending valve looks like on the grant set up. I guess a plumber will know. 😬😬😬
@iancalderbank yes, that’s right Ian. I mistyped in my opening post. It is the hot tap. Runs, gets hot and then quickly becomes lukewarm when I know f...
@hughf I would expect so. It’s a Grant pre-plumbed cylinder and I do suspect the issue is with blending. I’m waiting for plumber to take a look now...
not yet. It did resolve itself for a while yesterday but is back to the same issue now. We have had water pressure issues in the area due to power ...
we’re mostly underfloor, have already installed bigger upstairs radiators. House is 2016 build and well insulated. whacked up the flow temps. Last n...
House was 20.5 on average at midnight last night. Outdoor temp was 0. It got colder all night and went down to -8 at its lowest. house is average o...
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Heat Pump Dramas?
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Latest Posts
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RE: Towel rails. An unexpected final hurdle
I had a similar issue but convinced the installer to le...
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Cliff, welcome to the forum. You’re running into one ...
By Mars , 14 minutes ago
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RE: What is the best strategy for operating a very oversized heat pump?
This whole discussion highlights just how much of a mes...
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RE: NIBE F2040 12 kW heat pump and 100 liter buffer tank
@cheshirejohn thanks for the update and for sharing. I’...
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RE: Newbie out of her depth – Samsung AE120RXYDEG 12kW heat pump
@jamespa @bontwoodyHeat loss calculations found and att...
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RE: Setback savings - fact or fiction?
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RE: SolarPV tables / online calculator
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@robs useful thread! Thanks for sharing - Octopus are c...
By big_si , 4 hours ago
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RE: Volumisers in Heat Pump Systems: Does Placement Matter?
@jamespa Agreed. I think it’s a case of much over muchn...
By Mars , 6 hours ago
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@eliuccio Unfortunately, whilst I agree with a lot of...
By JamesPa , 6 hours ago
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RE: Samsung Gen 7 R290 12kW is not behaving how I expected
Definitely its in the 20xx FSVs. Conversely it may be...
By JamesPa , 8 hours ago
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RE: Heat Pump Sizing & Installation Costs
Perhaps useful to have installed date too? To get conte...
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RE: F.788 Building circuit pump reports internal fault - Vaillant Arotherm
Guess I have to wait for engineer visit. I really hope ...
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RE: Act now to defer the UK road tax increase on EVs
@majordennisbloodnok Damn right sir. my attempt at iron...
By Jancold , 1 day ago
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RE: ASHP and heating issues in new build house
That’s good gives you more capacity. It made me think, ...
By Terry1812 , 1 day ago
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RE: Seewet manhole cover within r290 exclusion zone
Thanks! I asked Vaillant, and they say I should be fi...
By dbrb2 , 1 day ago
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Looking for the Grant Aerona 3 setting to turn off completely at 20 OAT
I'm running my Aerona 3 on WC and the 'warm end of that...
By damonc , 1 day ago
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RE: Do I just go with the lowest quote for my heat pump?
So after signing in Sept in two weeks the install may s...
By Jancold , 1 day ago
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RE: Victorian Semi Retrofit / Extension ASHP and UFH Advice
When you are renovating is always a good time, as it ma...
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Latest Topics
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By cliffhanger 27 minutes ago
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Heat Pump Sizing & Installation Costs
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Volumisers in Heat Pump Systems: Does Placement Matter?
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SolarPV tables / online calculator
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