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Alfapat
@alfapat
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Reputable Member
Joined: Dec 30, 2022
Last seen: Jun 17, 2025
Topics: 5 / Replies: 177
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RE: How To Balance Radiators & the Role of the Lockshield Valve: A Homeowner's Guide

Really! That much of a drop . Should I be trying out that WC anyway, I was just trying to see if there would be a difference between flow from HP and ...

4 months ago
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RE: How To Balance Radiators & the Role of the Lockshield Valve: A Homeowner's Guide

@jamespa Posted by: @alfapat ↑ Just to be clear we are looking at the difference between HP output and CH OUTPUT OR RETURN? Sorry should kn...

4 months ago
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RE: How To Balance Radiators & the Role of the Lockshield Valve: A Homeowner's Guide

When you say one pump is sufficient for my secondary , which pump do you mean to take out of the system, probably CH? 2021 ON FSV yesterday evening , ...

4 months ago
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RE: How To Balance Radiators & the Role of the Lockshield Valve: A Homeowner's Guide

I might do a bit of labelling, but found these diagrams . The field settings shown are the only ones I can relate to and using . Sorry think...

4 months ago
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RE: How To Balance Radiators & the Role of the Lockshield Valve: A Homeowner's Guide

so both feeds to the HP line pumps go to the Samsung controller and the Circulation goes to this box in pic attached All pumps are the same spec . Y...

4 months ago
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RE: How To Balance Radiators & the Role of the Lockshield Valve: A Homeowner's Guide

The two black wires from white boxes go to Zone valves @jamespa so both feeds to the HP line pumps go to the Samsung controller and the Circulation...

4 months ago
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RE: How To Balance Radiators & the Role of the Lockshield Valve: A Homeowner's Guide

@jamespa so both feeds to the HP line pumps go to the Samsung controller and the Circulation goes to this box in pic attached All pumps are the same s...

4 months ago
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RE: How To Balance Radiators & the Role of the Lockshield Valve: A Homeowner's Guide

es, the house is a lot warmer and consistant ,with changing to balancing with lockshields, but using up a lot mor kw I fear . Over the last 7 days wi...

4 months ago
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RE: How To Balance Radiators & the Role of the Lockshield Valve: A Homeowner's Guide

@heacol and thanks James, I will look at all the labelling to see if any of the pumps differ in Spec. I already have two spare ones chucked aside in t...

4 months ago
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RE: How To Balance Radiators & the Role of the Lockshield Valve: A Homeowner's Guide

Yes all the same model , with a selectable speed as mentioned before , selectable manually by a button , but not sure if controlled otherwise. I will ...

4 months ago
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RE: How To Balance Radiators & the Role of the Lockshield Valve: A Homeowner's Guide

Yes , I have three circulating pumps , one from HP and one circulating and one return, They do go on and off but I cant tell in what sequence , At the...

4 months ago
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RE: How To Balance Radiators & the Role of the Lockshield Valve: A Homeowner's Guide

@jamespa Hi James , I thought I would draw out what is the best I can do , my system arrangement to help understand what I have in place , if you want...

4 months ago
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