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bontwoody
bontwoody
@bontwoody
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Noble Member
Joined: Mar 5, 2022
Last seen: Aug 20, 2025
Profile Activity
Topics: 29 / Replies: 808
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RE: PWM pump or not?

@iancalderbank Well its good to know its not unusual behaviour 🙂 Mixergy and Eddi all working now, paying standing charges only now for a week or tw...

2 years ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: Say hello and introduce yourself

@davesoa Just had my mixergy cylinder installed yesterday 🙂 I installed my own heatpump in my hybrid house having done a test over the winter with r...

2 years ago
Forum
Introductions, Forum Rules & Updates
Reply
RE: Say hello and introduce yourself

@sunandair It was Octopus, but to be fair it was in relation to trying to get the process of Heat Pumps out there asap. Commendable from a climate per...

2 years ago
Forum
Introductions, Forum Rules & Updates
Reply
RE: PWM pump or not?

@iancalderbank That sounds like exactly what it did but the outside temperature was 14C. I will keep an eye on it. Not a massive issue but curious

2 years ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: PWM pump or not?

@iancalderbank Strange thing happened last night, came home about 10pm so no heating on and noticed the pump turned itself on for about 5 mins at high...

2 years ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: PWM pump or not?

@iancalderbank That makes perfect sense Ian. Im just having my Mixergy cylinder fitted today so i can hook it up to my Eddi. While that happens Im exp...

2 years ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: PWM pump or not?

@iancalderbank Fitted the new PWM pump Ian, all working well and it has reduced the power input by 30 W by reducing the flow rate down to 9 lt/min fro...

2 years ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: Adventures in DIY Smart Thermostating

This looks very interesting, not disimilar to "homely" I would think. I havent got time to read it carefully now but I would be interesting in explori...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Samsung Gen6 12Kwh inverter Delta T

Well as a guess I suppose you could measure how much power it was drawing during a very cold snap, multiple that by its current COP and that might giv...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Samsung Gen6 12Kwh inverter Delta T

Hi Andy, I would interested too in this as Ive just installed a 5kW Samsung Gen 6 with radiators and my delta T is actually 3 deg C. What does the set...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Rethinking the mindset for mass retrofit - a provocative idea

@jamespa Well Im convinced, but there something in preaching to the converted 😆 It just occured to me that your high temperature solution could be ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Rethinking the mindset for mass retrofit - a provocative idea

Hi James, some interesting and good points there. Just a couple of observations: 1. At 65 C is the SCOP 3.5? I thought it was lower, a quick search ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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