Can the flex pipe be replaced without removing the toilet?

In 20–30% of cases — yes. If the toilet was installed with clearance behind it, you can see and reach the pipe. The other 70–80% — the toilet needs to move 10–20 cm back from the stack. The plumber decides on site; an extra 10 minutes of labor is cheaper than drips a week later.

How long does a flex pipe last?

Cheap no-name — 3–5 years. Mid-range (Chromagen, Sanit) — 8–12 years. Reinforced premium — 15–20 years. But it's not only age — mechanical damage (cat, child, renovation) can cut life dramatically. The main indicators are odor or drips.

Why does a new flex pipe leak after replacement?

Three reasons: 1) gasket didn't seat evenly — install skew; 2) gasket not lubricated — rubber stuck and seated unevenly; 3) wrong diameter (90 vs 110 or vice versa). Take it off, inspect, redo. Silicone inside won't solve it, only mask it temporarily.

Is odor from the bathroom definitely the flex pipe?

Not always. Check: sink trap (dried out during absence), shower trap, dead stack vent. If all traps have water, the flex pipe is dry, and the smell persists — likely a building stack issue, that's for the va'ad bayit. Strong smell specifically in the toilet = 80% probability it's the flex pipe.

Toilet flex pipe replacement in Israel — leaks, odor, prices

KABLAY

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Toilet flex pipe replacement in Israel — leaks, odor, prices | KABLAY