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Last seen: Aug 19, 2026
@lucia I have not attempted to tot up my volume of water but 10 radiators plus a dual fuel towel rail seem to keep the defrosts to perhaps 90 minutes ...
@alfapat The radiator / emitter that takes the longest to heat up will be the one LSV that remains fully open and all others will then end up somewher...
@alfapat Start by throttling down the first to heat up, then the next to heat up…. ALL the emitters / radiators should be regarded as components of on...
@alfapat I would think starting froma common 1.5 turns open would be a good start - unless there is an emitter at the end of the run that might suffer...
And as a post script: When you commence the balancing exercise, you will be running around the radiators checking which is heating up the quickest (i....
@alfapat Adjusting an LSV to provide a temperature setting is probably the start of a road to frustration and madness; as the name suggests, it is to ...
@transparent We had one chappie from SGN call at the door (just checking his paperwork and that we weren’t half inching any gas I think), his opening ...
@sunandair I think this may be what is referred to as a ‘split unit’; the heat pump main unit is outside and there is a ‘hydrobox’ installed inside. I...
@robl Our meter box was falling apart and long stopped being a locked flap front closing protective enclosure. By the time SGN came to see the work, t...
@iraknic Please note, I don’t have any experience at all (diddly squat) of UFH plumbing but if a circuit has both send and return valves, it is probab...
@rosst With 14 kWp. of solar, if your battery capacity is high enough, perhaps you might wish to consider a heat pump as the PV should go some way tow...
@grahaml Welcome Graham, the more ‘trained engineers’ contributing here the better!😉 Regards, Toodles.
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Degrees of Separation
Latest Posts
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
Cloudy one done, might get the sunny one tomorrow or de...
By Watcher , 18 hours ago
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RE: The good, the bad and the not that great – my heat pump installation
@burtis, I’ve followed this thread pretty much from the...
By Mars , 1 day ago
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RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
First time poster here but I can share my experience as...
By SCH , 2 days ago
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At the risk of going on: A slight side issue for a foru...
By Bart , 2 days ago
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RE: Is it the house or the equipment?
...which, I've found out, is pretty much impossible to ...
By Majordennisbloodnok , 2 days ago
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RE: Mitsubishi Ecodan FTC6 settings
The Mitsi remote thermostat should not be plugged into ...
By F1p , 3 days ago
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RE: PV and battery long payback - sense check query
@jamespa I was just commenting on the speed, not sug...
By Batpred , 3 days ago
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Readers here please note that Derril Water and many oth...
By Transparent , 3 days ago
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RE: Advice on Vaillant Sensocomfort
Oops, I meant Sensocomfort (the UI to the controls)
By Batpred , 3 days ago
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RE: Heat Pump Training vs. Real-World Installation
Our instal was very much the opposite. White haired blo...
By Batpred , 3 days ago
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RE: Flushing system, cleaning and inhibitor
While skim reading a manual for our Vaillant HW tank, I...
By Batpred , 3 days ago
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RE: 'Chinese Diesel Heater' to heat the home .....
Old thread but I'm new to the forum so new to me. How...
By BlizzardGreen , 4 days ago
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