Hayward
Condensation in Vent System
Condensation or water dripping from vent or flue, especially in cool weather.
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Long or uninsulated vent run, Low return water temperature, Improper vent slope, High humidity conditions
How to Fix / Troubleshooting
Safety First: Turn off power and gas before modifying venting.
- Check vent slope: Ensure horizontal vent sections are sloped per Hayward instructions to drain condensate properly.
- Insulate vent (if allowed): Where permitted, insulate vent sections in cold spaces to reduce condensation.
- Raise return temperature: Avoid running extremely cold water through the heater; preheat slightly with solar or bypass if possible.
- Install condensate drain: Some vent systems require a condensate drain kit; consult the installation manual.
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Repair Difficulty
Medium
3/5
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