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Posted by Scottj on April 26, 2006 at 19:09:58:
We have in-floor hydronic heating system with six zones. The boiler is a Crown Aruba - XE3, series 0789 rated at 75K input BTU. Controller is intermittent ignition handled by a Honeywell S86F, which is controlled by a Honeywell Aquastat Relay type L8148A, We live in an area of Northern Nevada where the water has a high alkalinity level. The system is about 10 years old. We are the fourth family to live in this house, I'm not familiar with the previous maintenance, but to date we have had minimal to no trouble with the boiler, other than high Natural Gas bills in the winter. Here's my question, is it recommended by the industry professionals to add a product that cleans/removes water deposits and cleans debris from the internal piping and tubing? If so, any recommendations? There is a product I found by searching the Web called 'Rhomar Hydro-Solv 9100' that is suppose to clean the internal piping/tubing. Each year as part of the fall season, I flush the system by opening each zone valve individually and letting fresh water run through the system for 5-10 minutes, but I'm not sure I'm getting any contaminants. Some contaminants, flush out initially, but the water runs clear for the most part. Thanks in advance for the input. ScottJ