Sentinel X200 Boiler Noise Reducer

A unique life-long system treatment for the elimination of limescale and boiler noise.
Safe to use in all types of indirect central heating systems and will quickly pay for itself in reduced fuel usage.

* Restores boiler efficiency.
* Eliminates "kettling".
* Safe and non-corrosive.
* A much faster simpler method of de-scaling.
* No need to flush - stays in system.