State Vent System Leakage / Backdrafting

State power vent gas water heater: strong exhaust smell or flue gases in the room.

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.

Possible Causes

Loose vent connections, Cracked vent pipe, Improper vent slope, Blocked vent termination

Critical safety: Shut off the heater and ventilate the area. Carbon monoxide can be deadly. Install or check CO detectors.

Inspect venting: Check all vent joints for tightness and proper sealing. Replace damaged sections.
Verify slope: Ensure vent piping is installed with proper slope per State instructions.
Clear termination: Remove any obstructions at the vent termination.
Professional evaluation: Have a qualified technician perform a combustion and draft test before returning the heater to service.

Professional Required 5/5

Vent Pipe Assembly

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