Lochinvar Wind-Induced Venting Issues

Boiler locks out frequently during windy conditions, with no specific code displayed or only generic lockout

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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

Improper vent termination location, exhaust recirculation, inadequate vent supports, wind gusts causing pressure fluctuations

How to Fix / Troubleshooting

Safety first: Do not modify vent terminations without following Lochinvar and code requirements.

  • Inspect terminations: Ensure intake and exhaust terminations are installed per Lochinvar clearances and are not too close to corners, soffits, or each other.
  • Check for recirculation: Look for signs of exhaust staining near the intake. If present, terminations may need to be separated or reoriented.
  • Secure venting: Make sure vent pipes are firmly supported and not moving excessively in the wind.

Professional help: A qualified installer should evaluate vent design and may need to relocate or modify terminations to reduce wind effects.

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Repair Difficulty

Hard 4/5

Required Part

Vent Termination Kit
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