Triangle Tube
Delayed Ignition
Boiler ignites with a loud boom or puff back
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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
Dirty or misaligned burner, Incorrect ignition electrode gap, Low gas pressure, Improper combustion settings
How to Fix / Troubleshooting
Safety: Turn off power and gas. Do not continue operating a boiler with delayed ignition; this is a serious safety concern.
- Step 1 – Visual inspection: Do not attempt to adjust gas components yourself. You may visually inspect the burner area for obvious damage or heavy soot.
- Step 2 – Do not reset repeatedly: Avoid repeated ignition attempts that can worsen the condition.
- Professional service required: A licensed technician must clean or replace the burner, verify ignition electrode position, check gas pressure, and perform combustion analysis on the Triangle Tube boiler.
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Repair Difficulty
Professional Required
5/5
Required Part
Premix Burner Assembly
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