Where to fit a 'magnaclean'

RF Lighting

RF Lighting

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I wan't to fit a magnaclean to my heating system, but I'm not sure where it should go.

I have an old four pipe glowworm boiler with DHW on gravity and pumped CH

Also the CH upstairs is a one pipe system if this makes any difference?

Would I need to fit two magnaclean's to properly protect the whole system? or is one on the heating return like with a normal system sufficient as I guess there's nothing much to sludge up on the HW circuit?
 
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Prepared to pay £200 for a filter yet don't bother to change the boiler or system. Energy companies love you.
 
Read the instructions it came with, it tells you exactly where to put it.
 
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You plumbers are silly. Why would I buy them before I know how many I need?
 
Your wasting your money, convert the system to fully pumped or upgrade the boiler! Installing a magnaclean on a gravity system will achieve nothing!
 
But does the HW circuit likely need cleaning? Surely there's not much to sludge up?

Why would I want to upgrade a perfectly good boiler?
 
As you've guessed, put the filter on the return from the ch. The hw circuit won't be the source of magnetite in the system.

If it was my system, I would be listening to the suggestions above and making the system more efficient. Gravity hw and one pipe are inefficient and wasteful. Keep the boiler, just change the controls and alter some pipework. The way energy prices are going, you will get a quick return, and your system will perform better.
 
The main purpose of a Magnaclean is to prevent magnetite particles getting into the heat exchanger of a boiler. This matters on modern boilers which have very narrow water passages in the heat exchanger for greater efficiency, but much less (if at all) on older boilers with much wider passageways.

If your boiler has survived for a good number of years without a filter, why fit one now.

Also, no point fitting one on the HW, as assuming all copper pipework, no magnetite.
 
I've thought about this before. I don't think it'd be too difficult to covert to an S plan, but what do I do with the two extra pipes coming out of the boiler? I can't cap them obviously, as that would explode. Do I just leave them as open ends?
 
RF Lighting said:
I've thought about this before. I don't think it'd be too difficult to covert to an S plan, but what do I do with the two extra pipes coming out of the boiler? I can't cap them obviously, as that would explode. Do I just leave them as open ends?
Click to expand...

Are you real? :LOL:
 
Why would I know about boilers? I'm not a plumber.

So come on then, what do I do with the two pipes supplying the cylinder if the system gets converted to S plan?
 
But my boiler has four pipes. They all show boilers with two pipes. What do I do with the spare 2 pipes on my boiler that are currently doing the cylinder?
 
D

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