I have never been called to one of those and as I have been to three Gem boilers, Trisaves and some Corvec Miniflames that means that either I have been very lucky or they must be very rare ( thank goodness ).
How many were sold? More to the point how many still survive in use?
Only ever had to look after one Response SE....it lasted 3 years
The owner finally had enough after the primary heat exchanger rotted out at the top. By that time it had a new vessel, diverter, and numerous leaks fixed, also an intermittent fault on the boards.
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