Unit not pressurising but heating up - gasket or cap?
My machine will heat up but when it does the steam is coming from the cap and nothing will come out the hose/trigger. unsure wether cap is relieving or if it is likely to be this gasket on the cap? The cap then cannot be unscrewed until the unit has cooled fully.
Answer this Question (3 Answers)
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Chris at eSpares says...
Try a new seal and confirm it is not blocked by trying to draw water through the hose when cold.
- I'm in a very soft water area so unlikely to be a lime scale issue. Any other suggestions?
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Chris at eSpares says...
If in hard water the gun and spray nozzle or the boiler outlet may be blocked with limescale. Try using Stock Number: ES1541155 to clear the build up if in a hard water area.
Steam Cleaner Safety Lock Gasket Stock Number: ES538222
Genuine spare part for select Karcher steam cleaners
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