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petch
@petch
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Active Member
Joined: Feb 11, 2026
Last seen: Apr 23, 2026
Profile Activity
Topics: 2 / Replies: 12
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Reply
RE: My Grant R290 9kW Heat Pump Installation

Again, really don't know how accurate this is!  

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: My Grant R290 9kW Heat Pump Installation

@grahamf thanks! I'm unsure if there's inhibitor, I can double check but they seemed to know what they were doing. There's the mag filter and 2 new ...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: My Grant R290 9kW Heat Pump Installation

Thanks @jamespa ! I've been reading the manual and tinkering with some settings. What I'm going to state might not be 100% correct so anyone who is ...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: My Grant R290 9kW Heat Pump Installation

Tripping apparently caused by Type B fuse, changed to type C I believe My outstanding questions for the forum before I sign-off are: Is polyethyl...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: My Grant R290 9kW Heat Pump Installation

So it turns out you can only see the power consumption, COP, etc. on the Aerona smart controller itself, not the econet24 web interface or mobile app ...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: My Grant R290 9kW Heat Pump Installation

Okay, everything's done apart from a few things that they're coming back early next week to sort (damaged radiator grill, tidying up, etc) There's ...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Topic
My Grant R290 9kW Heat Pump Installation
2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Replies: 14
Views: 951
Reply
RE: Rate the quality of your heat pump design and installation

@editor I'm fairly certain it's this company but I'll have to check with the installer

3 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Rate the quality of your heat pump design and installation

Has anyone heard of or had a survey/design done by Apex? A company I'm currently in talks with has used them for the heat loss survey + design and t...

3 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Other than heat loss, radiator sizing, ASHP sizing, what else goes into a design and how important is it?

It's a detached house with a fairly large split-level entrance/hallway/landing area that's all under a vaulted ceiling with velux windows. the kitchen...

3 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Other than heat loss, radiator sizing, ASHP sizing, what else goes into a design and how important is it?

Thanks everyone! My current system boiler and pipework has 22mm flow pipe that splits into a T after the valve, with one side going to downstairs an...

3 months ago
Forum
Air Source Heat Pumps (ASHPs)
Topic
Other than heat loss, radiator sizing, ASHP sizing, what else goes into a design and how important is it?
3 months ago
Forum
Air Source Heat Pumps (ASHPs)
Replies: 19
Views: 5900
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