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Marvinator80
@marvinator80
Member
Honorable Member
Joined: Nov 29, 2022
Last seen: May 14, 2025
Profile Activity
Topics: 9 / Replies: 185
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Topic
Hot water issue, never seen this before: Grant Heat Pump and Cylinder
1 year ago
Forum
Domestic Hot Water & Cylinders
Replies: 13
Views: 2569
Reply
RE: Is the Grant controller a thermostat?

we’re mostly underfloor, have already installed bigger upstairs radiators. House is 2016 build and well insulated. whacked up the flow temps. Last n...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Is the Grant controller a thermostat?

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...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heat pumps don't work: debunking myths & misconceptions

Here’s a blog from a prominent blogger/journalist in the Scottish on the Scottish political scene. He’s no dummy but this was drivel and he was quickl...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Is the Grant controller a thermostat?

-3 degrees outside and the entire house is sitting at an average of 20 degrees. Feels very comfortable, particularly the underfloor. this is probab...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Is the Grant controller a thermostat?

Making that change has really made a difference for me, Mike. But then I had to be patient and stop tinkering. Once I did that it has worked. that a...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Is the Grant controller a thermostat?

We are the same as well, log burner means that if needed a quarter of the house can be heated by that and the UFC click off so I guess more can be tar...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Is the Grant controller a thermostat?

@allyfish makes sense Ally. Feels good that we are making progress. Thanks for all your help. the gap between my LWT and return is typically 5 degre...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Is the Grant controller a thermostat?

I decided to stop fretting and tinkering and watching the LWT just leave the new WC settings and see what happened. Lo and behold the radiators are ho...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Is the Grant controller a thermostat?

@allyfish that totally fair enough Ally,makes sense. the problem with the defrosts though right now is getting the house to temperature when the LWT w...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Is the Grant controller a thermostat?

Now it’s just done a frost cycle at 3.5 degrees outside and not a bit of frost to be seen. Heavens to Murgatroyd!

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Our Grant Aerona R32 13kW ASHP installation

Have also ordered a digital room thermometer to make sure my Wunda UFH display temps are accurate. Upstairs is on Hive, I do think that is accurate. S...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Page 6 / 17
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