Pentair Gas Leak at Heater

Heater emits a strong gas smell around the unit, especially near the gas valve or piping.

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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

Loose gas union or fitting, Cracked gas manifold, Damaged gas valve body, Improperly sealed pipe threads

How to Fix / Troubleshooting

Critical safety warning: If you smell gas, do not operate the heater, do not create sparks, and evacuate the area. Shut off gas at the main gas shutoff if it is safe to do so and call your gas utility or a licensed gas technician immediately.

  • Do not attempt DIY gas repairs: Gas leaks must be located and repaired by a qualified professional using proper leak detection methods.
  • Ventilate the area: Keep the area around the heater well ventilated until the leak is resolved.
  • Inspection and pressure test: A technician should pressure-test the gas line, tighten or re-seal fittings, and replace any damaged components.
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Repair Difficulty

Professional Required 5/5

Required Part

Gas Manifold / Gas Valve Assembly
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