- Joined
- 19 Mar 2007
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- 692
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hi guys - noticed all of a sudden boiler loosing pressure over a day or two..it displays pressurre should be between 0.8 and 3.0, yet the bar reading on the display is 2.0 with f75 - error pump water shortage...looked around all the rads couldnt find a leak...filled boiler back up to to 2.2 all working again, then same problem again after a few days....i took off the plastic grill under the boiler noticed it was very wet, so looks like a leak in the boiler somewhere...it is 3 years old serviced every year...so shall i call vaillant as it has 5 years warranty or call a plumber...