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FAQ
Answers to common questions about install, care, and warranty.
What should be done to activate the warranty for Rassan products?
Send the red code printed in the product warranty booklet by SMS to 10005515.
What is the simplest and most effective substance for cleaning and removing limescale from a faucet?
A 50/50 solution of water and white vinegar.
Are Rassan faucets installed only by authorized Rassan technicians?
No. Installation does not have to be exclusive to Rassan technicians — any qualified plumber can help.
Why does it take a few seconds from closing the lever until the water fully stops?
Sediment in the aerator screen — clean it with a 50% vinegar and water solution.
Why does water flow only from the hand shower after installing the shower system?
The short connecting hose and the long shower hose were installed in reverse.
What causes leakage from the aerator when the faucet is closed?
If leakage stops after a few seconds, clean deposits behind the screen. Continuous leakage usually means the cartridge needs replacing.
Why does the sensor faucet keep running and not turn off?
Calibration was incomplete or needs repeating, or the inlet/outlet on the control box were installed incorrectly.
Why does the sensor light stay constantly on?
During calibration, the wire was not removed from the sensor socket.
What causes flush tanks to malfunction?
Sand, debris or sediment in the float valve or flushing mechanism — service is required.
Why has water flow from the main shower head decreased?
Limescale in the shower head, or sediment in the cartridge on exposed and concealed faucets.