i have a warmflow combi boiler with a riello rdb burner. the problem is that the burner is making a lot of soot and i have to clean the photo cell daily. i assume that i need to adjust the air damper to increase the airflow,but how do i know when it's right?
Hi dont know if this will help, I have a Riello RDB Burner with a Warmflow Combi and it runs fine, the Air Damper is set at 5.5 this was set during a service and I have had no problems.
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by dflliott » Sun Nov 25, 2007 4:33 pm 
