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| UK diy (uk.d-i-y) For the discussion of all topics related to diy (do-it-yourself) in the UK. All levels of experience and proficency are welcome to join in to ask questions or offer solutions. |
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#1
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Promax combustion chamber coor seals
The lower seal develops cracks and eventually leaks hot air into the airbox
causing the safety lockout to trip http://s408.photobucket.com/albums/p...axDetail-1.jpg Can anyone suggest why this happens, the top seal and side seals eventually harden but stay sealing after several years. The bottom seal seems to start to crack as shown after a couple of months. I am awaiting a reply from Potterton. Michael |
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#2
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Premature failure of Promax boiler combustion chamber door seals anyone any ideas?
Re-posted with changed wording and corrected subject line
"Michael Shergold" wrote in message ... The lower seal develops cracks and eventually leaks hot air into the airbox causing the safety lockout to trip http://s408.photobucket.com/albums/p...axDetail-1.jpg Can anyone suggest why this happens, the top seal and side seals eventually harden but stay sealing even after several years. The bottom seal seems to start to crack as shown after a couple of months. I am also awaiting a reply from Potterton Technical Service. Michael |
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