De Dietrich
Condensate Drainage Problem
Furnace condensate pipe drips or gurgles loudly, with occasional water backing up into boiler
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Possible Causes
Partially blocked condensate trap on De Dietrich condensing boiler, Incorrect pipe fall, Air lock in condensate line, Shared drain connection causing backflow
How to Fix / Troubleshooting
Safety: Condensate is mildly acidic; wear gloves.
Steps:
- Clean trap: Remove and clean the condensate trap thoroughly. Refill with clean water.
- Check pipe routing: Ensure the condensate pipe slopes continuously downward and is not lifted at any point.
- Separate drains: Avoid connecting the condensate line to a drain that can back up (e.g., sink trap) without proper air gap.
Professional help: Persistent issues may require rerouting the condensate line.
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Repair Difficulty
Easy
2/5
Required Part
Condensate Trap
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