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Steam Generator | ROTONDI Group Mini 3 (Product Number: R105)

Steam Generator | ROTONDI Group Mini 3 (Product Number: R105) >BB98T

$1,188.00 SGD - $1,188.00 SGD
$1,188.00 SGD
$1,188.00 SGD - $1,188.00 SGD
$1,188.00 SGD

The ROTONDI Group S.r.l. Mini 3 (Product Number: R105) is a professional-grade, portable semi-industrial steam generator system. Encased in a robust, white-painted steel or stainless steel structure, it combines a high-capacity boiler with a heavy-duty professional iron to deliver dry steam performance.

Application and Functionality

The Mini 3 is built for high-quality garment finishing in tailor shops, dry cleaners, fashion design studios, and heavy-duty domestic environments. Its primary specialty is producing continuous, deep-penetrating "dry steam" at 2.8 to 3 BAR pressure. This allows for quick, single-sided, and crisp pressing without scorching or leaving shiny marks on delicate fabrics.

Product Applications Senario:

  • 1: The Tailor's Workspace;
  • 2: Commercial Laundry Setup; 
  • 3: Fashion Studio Bench.

Technical Specs. Steam Generator | ROTONDI Group Mini 3 (Product Number: R105)


Failure Possibilities

Like any pressurized thermal equipment, the system can fail over time due to wear or lack of maintenance:
  • Limescale Blockage: Mineral buildup clogs the internal solenoid valve or steam holes, stopping steam output.
  • Safety Valve Cap Leaking: The rubber gasket on the security valve plug degrades, letting steam escape from the filler cap.
  • Heating Element Burnout: Running the 1300W boiler element empty or with extreme lime buildup causes it to overheat and fail.
  • Thermostat / Thermal Fuse Tripping: Overheating triggers the safety limit switches, preventing the unit from heating up at all.
  • Solenoid Valve Failure: Electrical or mechanical failure prevents the valve from opening when the iron's steam button is pressed.
Steps to Perform a Replacement, always consult your local supplier before attempting to any service or replacement action.
Always ensure the machine is completely switched off, unplugged from the wall outlet, and fully cooled down to 0 BAR pressure before starting any maintenance or component replacement.
  1. Drain the Boiler: Open the bottom drain plug or empty the unit completely to clear out any remaining water.
  2. Remove the Outer Casing: Unscrew the fastening bolts on the steel housing to expose the internal wiring, switches, and boiler assembly.
  3. Disconnect Wires and Hoses: Take a photo of the layout for reference. Use wrenches to disconnect the faulty part (e.g., solenoid valve, heating element) from the boiler. Unplug its electrical terminals.
  4. Install the New Component: Thread the original Rotondi factory replacement part into place, applying high-temperature thread sealant if replacing a plumbing fitting. Reconnect the wires securely.
  5. Seal and Test: Reassemble the outer protective cover. Fill with water, plug it in, and check for any steam or water leaks under pressure.

Recommended Replacement Rate & Spare Pieces

For a smooth operation in commercial settings, it is best to stock these items:
  • Security Valve Gaskets: Have 2 to 3 pieces on hand. Replace them every 1,200 hours of use or every 2 years.
  • Solenoid Valve Valve/Coil Assembly: Keep 1 spare unit on hand, as this part handles high cycles of electrical switching.
  • Boiler Cap / Safety Valve Plug: Keep 1 spare unit on hand in case the thread or physical valve spring wears out.

Compatible Models

  • Rotondi Mini 3 Inox (The identical internal layout built inside an all-stainless body)
  • Rotondi Mini 4 (Utilizes the same core commercial iron attachments and boiler caps)
  • Rotondi EC-100 & EC-2002 Series (The standard professional steam irons paired natively with this unit)


Maintenance Steps for Cleaning Out Limescale

The official Rotondi Mini 3 Instruction Manual outlines a strict routine to clean and flush the boiler chamber.
Step 1: Drain and Flush (Every 20 Hours of Work)
  1. Turn off all power switches, unplug the unit, and let it cool completely until the pressure gauge reads 0 BAR.
  2. Slowly unscrew the 1/2" safety cap plug to relieve any hidden pressure.
  3. Pick up the empty Mini 3 unit and tilt it completely to the right side over a sink or bucket.
  4. Pour fresh water inside, shake it gently, and tilt it out again to flush out loose white flakes and mineral impurities.
Step 2: Descaling the Internal Chamber
  1. Pour a mixture of 75% distilled water and 25% white vinegar (or a dedicated commercial citric acid descaler) through the top filling hole. Do not overfill past the 2.15-litre limit.
  2. Tighten the safety cap back down. Plug in the unit and turn on only the boiler switch.
  3. Allow the machine to heat up completely until it reaches its operating pressure of 2.8 to 3 BAR.
  4. Press the steam button on the iron repeatedly for a few minutes over an empty basin or thick cloth. This forces the acidic cleaning mix through the core assembly and iron steam vents to clear out stubborn mineral scale.
  5. Turn the machine completely off. Let it sit undisturbed for 30 minutes so the solution can break down the scale layer on the heating element. 
Step 3: Final Freshwater Rinse
  1. Once cooled down again, open the safety cap and tilt the unit to empty all remaining vinegar solution.
  2. Fill the unit with pure, clean water and flush it out two more times to remove any remaining vinegar or dislodged loose scale.