central heating restorer

coltmanneil · 31 Oct 2005

Could anybody the easest way to put furnox into my central heating system.I have watched it being done but it was over 4 years ago.The restorer was put into a radiator first,then the system was run for a couple of days,then the protector was put in after this.Could someone tell me if this is correct as i need to do it again?thanks

supermario · 31 Oct 2005

it only works well if you drain and refill the system with "clean" water first. I usually inject into drained down system then refill. best to leave it for about a week if your system is old and clogged up . Just run the heating as normal then drain down as before adding protector when you refill it.

coltmanneil · 31 Oct 2005

Thanks mate.Will drain down completely put in restorer.Leave for week then drain down again to get rid of any sludge.Then put in protector with clean water.Do you know how much the furnox materials are???looked on several sites but cant seem to find it??

nstreet · 31 Oct 2005

Restorer is about £15-£20, unless you get the fancy one in a cartridge then you'll be looking at £20-£25. MB1 is about £12-£15. Available from most plumbing merchants and DIY outlets. Although Sentinel products seem to be 'en vogue' at the moment rather than Fernox.

coltmanneil · 1 Nov 2005

Can you buy a hose for draing a central heating system down.I need minimum 10 meters,or is best to try and make a one up???
Looked on ebay but didnt see anything?

ChrisR · 1 Nov 2005

Yes you can, it's a common or garden common or garden hose, as in B&Q! Drain cocks are usually the right size for it but some are a bit small so wrap pvc tape round the spigot.

If you don't have a drain cock anywhere, you can drain a rad and conect to the rad valve union. This is usually the same size/thread as a garden tap (3/4 bsp) though some are 1/2" so you need the little plastic bush you get with hose bits.

coltmanneil · 7 Nov 2005

Can you tell me the best way to refill a drained down system.Do i have to open every radiator vent before hand.The open the filling loop??

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central heating restorer

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