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    Adding Fernox Protector F1 mixing up

    Hello Gents, I need to add some inhibitor to the boiler so I have got some Fernox F1 My question is can this be added to a system with other additives already in the system? The additive already in the system is Sentinel Leak Sealer will this be OK to do? thanks
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    Enviromax Combi C35 Pressure Loss and Central Heating weirdness

    Hello I'm a new poster here, Boiler- Enviromax Combi C35 with Riello RDB Burner The central heating has been consistently loosing pressure over time and I have sorted many leaks since moving in the house but have discovered one small leak on a radiator that looses less than 15ml of water over...
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