Whirlpool Air Intrusion into Plumbing

Softener causes air spurting or sputtering at faucets after regeneration

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Possible Causes

Air drawn through brine line, Low water level in brine tank, Loose brine line fittings, Improper drain line connection siphoning air

How to Fix / Troubleshooting

Safety first: Unplug the unit and place it in bypass if air is severe. Avoid using hot water until air clears to protect water heater elements.

Steps to check:

  • 1. Inspect brine line connections: Ensure all brine line fittings are tight and O-rings are intact to prevent air leaks.
  • 2. Check brine level: Verify there is adequate water in the brine tank before regeneration. Adjust refill settings if too low.
  • 3. Verify drain line routing: Ensure the drain line has an air gap and is not submerged in standing water, which can cause siphoning issues.
  • 4. Flush plumbing: After correcting issues, run cold water at several faucets to purge air from the lines.

When to call a technician: If air persists after multiple cycles, the control valve may be drawing air internally and require service.

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Repair Difficulty

Easy 2/5

Required Part

Brine Line
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