Formerly scalex by purimachos. Everbuild p 12 noise silencer is a non-acid based de-scaler which stays permanently in the system with no need to drain or flush. p 12 noise silencer helps to prevent knocking & kettling caused by lime scale & sludge build up.
*removes scale & baked on sludge deposits.
*prevents scale from reforming.
*compatible with all everbuild central heating products.
*restores heating efficiency to extend the life of the boiler.
*new & existing central heating systems.
*extensions to existing systems.