When the ice maker inside your refrigerator stops, it's usually a water line, valve, or assembly issue — often driven by Texas hard water.
Last updated May 16, 2026 · Reviewed by the Home Sure Appliance Repair team
The most common Texas cause is hard-water mineral buildup clogging the water inlet valve. Other causes: a frozen supply line (common after winter events), clogged water filter, or a failed ice maker assembly.
That's a Texas hard-water signature — high mineral content prevents normal ice crystal formation. The fix is water filtration plus addressing any restricted valve; it's prevented, not just repaired.
Most repairs run $140–$420. A hard-water-clogged inlet valve is $140–$240; full assembly replacement is $210–$420. Clogged filters or frozen lines can be low-cost fixes.
If the refrigerator is over 12 years old and the assembly repair is $400+, we'll honestly assess whether it makes sense given the fridge's remaining life rather than just quoting the repair.
Address hard water: keep the refrigerator's water filter fresh (every 3–4 months in hard-water regions), and consider added filtration. Most Texas ice maker failures trace back to mineral buildup.
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