How many bottles of mircale seal is usually required on a standard central heating system? It suggests one bottle per 25litres on the bottle.
How many bottles of mircale seal in standard system
- Thread starter XanderHarris
- Start date
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None, I never recommend using any kind of sealer in a CH system
Thanks I will take that advice. But how many litres of water is usually in a standard domestic central heating system?
You have already been told , NONE, it will feck your system and pump and boiler up, find the leak and fix it
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The usual guess average rule of thumb is 100 litres. As others, don't mess about with Miracle sealer, if you've got a leak find it & fix it.
So that’s 4 bottles then? 
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