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Gaztech, HVAC Technician
Category: UK Plumbing
Satisfied Customers: 485
Experience:  Owner at Gaztech
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I have a grant eco external wall hung utility 15-21 boiler.

Customer Question

I have a grant eco external wall hung utility 15-21 boiler. I had run out of oil which I didn't realise until I checked. Furthermore, when I opened the boiler unit I saw there was an oily water puddle at the bottom of the casing. It is only 2 years you know what this could be? Could it be because of the tank running out of oil?
Submitted: 1 year ago.
Category: UK Plumbing
Expert:  Gaztech replied 1 year ago.

Hello, You definitely got bottom tank condensation water waste, oil line from tank will need purging and filter at the tank should be replaced.

Customer: replied 1 year ago.
Is bottom tank water waste condensation normal?
Expert:  Gaztech replied 1 year ago.

Yes its normal, accumulates with time but it can also rust out bottom if left to long, check date of manufacture on tank tag on top of it , replace if more than 20 Years old.