Unless a company admits that they have a problem, then they wont address that problem, I deal have stuck their head in the sand, yet again with this boiler , it is the new Icos, piles of shoite to be honest
One thing I have noticed regarding early failure of heat exchangers, is that since the wide adoption of TRVs on all or most rads, the failure rate has increased. Many heat Xs have poor flow through them vs the output of the burner. Many installers do not know how to set up pumps for a minimum speed either, to overcome this. I have noticed that boilers that modulate down to very low kW tend to last well. Low loss headers assist in boiler longevity as they give excellent flow through the heat X at all times.
Weather compensation also keeps the temperature of the heat X low most of the time when running CH. I noticed that the Keston version of the Ideal Logic has weather compensation as standard with the outside sensor in the cardboard box. Maybe a way of overcoming potential problems in their flagship brand.
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