Hydro warm use a unique flushing system that incorporates the use of a magnetic flushing pump which cleans the water very,very well.
If you have ever seen the typical oil like metalic sludge in an old heating system you may wonder how they ever worked.
The package price includes adding a rust inhibitor.
Its no use just flushing the system with water as you will never remove the sediment build ups throughout your system.

