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Papahuhu
@papahuhu
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Joined: Aug 4, 2025
Last seen: Mar 2, 2026
Profile Activity
Topics: 6 / Replies: 201
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RE: Radiator sizing sanity check

@jamespa Thanks, yes. I think there are multiple hardware and control system issues. Just as a hammer has a primary purpose of inserting nails, the...

2 months ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
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RE: Solar Power Output – Let’s Compare Generation Figures

@toodles I was thinking along biblical lines, I’ve got some fence posts that would make a sturdy cross. I could put it in the front garden to remind t...

2 months ago
Forum
Solar Photovoltaic (PV)
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RE: Radiator sizing sanity check

It’s not 2 minutes, it heats up for 40-50 minutes, at nearly full blast, then stops completely as the homely registers a downstairs temp above target....

2 months ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: Solar Power Output – Let’s Compare Generation Figures

@majordennisbloodnok Lot of retired folk round here, unfortunately for them and me, with nothing better to do. If I really wanted to get rid of the...

2 months ago
Forum
Solar Photovoltaic (PV)
Reply
RE: Radiator sizing sanity check

@jamespa Thanks, yes. it’s even more difficult as only they have access to the homely data. The installer is coming out next week, a repeat full he...

2 months ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: Solar Power Output – Let’s Compare Generation Figures

@toodles You are lucky you don’t have nosy and interfering neighbours. If I so much as approach a TPO tree with a pole saw I get them taking photos...

2 months ago
Forum
Solar Photovoltaic (PV)
Reply
RE: Radiator sizing sanity check

@jamespa   The flow temp is a tricky one, because it is on/off constantly the heat pump ramps up and is only operating at max flow temp for ...

2 months ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: Radiator sizing sanity check

@jamespa Yes, last week I did it and there was a little air.I’ve been comparing radiator temp and the upstairs and downstairs are within 0.3C of ea...

2 months ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: Radiator sizing sanity check

New rads, new TRVs, new lockshields, power flushed, new pump 37l/min flow, i bled all rads, 3 air removal valves on system, plumber balanced and not t...

2 months ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: Radiator sizing sanity check

@jamespa its weird. It’s -1.5C outside, I’ve been monitoring the temp of the radiator (not the room) and it’s only running at about 24 C. The curre...

2 months ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: Radiator sizing sanity check

@jamespa Thanks We are running completely open loop and the upper floor rads are already reaching the same temp as the lower floor rads. So rebal...

2 months ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: Solar Power Output – Let’s Compare Generation Figures

@toodles We had a reroof concurrently with the PV install, it was 60 years old and although not leaking was at the end of its useful life. Plus, if...

2 months ago
Forum
Solar Photovoltaic (PV)
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