Important Safety Instructions
- Read all instructions before use.
- Do not immerse the base unit in water or other liquids.
- Do not operate with a damaged cord or plug.
- Keep out of reach of children.
- Use only with the provided pitcher and accessories.
- Ensure the pitcher is properly seated on the base before operation.
- Do not fill above the MAX level indicator.
- Always unplug the frother when not in use and before cleaning.
Product Components
The Maestri House MMF-9304 Milk Frother includes the following components:
- Frother Base Unit
- Stainless Steel Milk Pitcher (21oz/600mL capacity)
- Transparent Lid
- Frothing Whisk Set (various types for different froth thickness)
- Cleaning Brush
- User Manual

Image: Maestri House MMF-9304 Milk Frother with its main components laid out. The base unit is black and silver, with a stainless steel pitcher on top. A transparent lid and a whisk are also visible.
Setup
- Unpack all components and remove any packaging materials.
- Clean the milk pitcher, lid, and whisk thoroughly with warm soapy water before first use. Rinse and dry completely.
- Place the frother base unit on a stable, flat, and dry surface.
- Insert the desired frothing whisk into the bottom of the milk pitcher. The whisk is magnetic and will securely attach.
- Pour milk into the pitcher, ensuring it is between the MIN and MAX fill lines. For frothing, do not exceed the 10.1oz (300mL) MAX frothing line. For heating or hot chocolate, do not exceed the 21oz (600mL) MAX heating line.
- Place the milk pitcher onto the base unit.
- Cover the pitcher with the transparent lid.

Image: The Maestri House Milk Frother's stainless steel pitcher and whisk, highlighting its durable and BPA-free construction.
Operating Instructions
Powering On and Selecting Settings
Plug the frother into a 120V power outlet. The LED display will illuminate.
The touch control panel allows for easy selection of functions.

Image: Close-up of the Maestri House Milk Frother's smart touch control panel with LED display, showing temperature and froth options.
Temperature Settings
Press the temperature button (thermometer icon) to cycle through the available temperature options:
- Ordinary Temp: For cold frothing.
- 120℉ (49℃): Ideal for hot milk or light frothing.
- 140℉ (60℃): Suitable for cappuccinos and lattes.
- 160℉ (71℃): Perfect for hot chocolate or extra hot beverages.

Image: Maestri House Milk Frother displaying various temperature settings and corresponding drink types like cold latte, cappuccino, and hot latte.
Froth Thickness Settings
Press the froth thickness button (cup icon) to select your desired froth level:
- Low Froth: For a minimal foam layer.
- Medium Froth: Standard foam for lattes.
- High Froth: Dense foam for cappuccinos.

Image: Maestri House Milk Frother illustrating different froth thickness choices: low, medium, and high froth, with examples of frothed milk.
Starting and Stopping
After selecting your desired temperature and froth thickness, press the Power button (circle with line) to start the frothing process. The button will illuminate green.
The frother will automatically stop once the selected temperature and froth consistency are achieved. It will emit a beep sound to indicate completion.
To manually stop the frother at any time, press the Power button again.
Memory Function
The Maestri House MMF-9304 features a memory function that stores your last used temperature and froth thickness settings for convenience.

Image: Maestri House Milk Frother highlighting its smart memory function, which stores previous settings for ease of use.
Universal Compatibility
This frother is compatible with various types of milk, including dairy (whole milk, 2% milk) and plant-based alternatives (almond milk, oat milk), allowing for diverse beverage creations.

Image: Maestri House Milk Frother demonstrating its compatibility with various milk types, including 2% milk, almond milk, oat milk, and whole milk, each frothed for coffee.
Official Product Video
Video: Maestri House Variable Temp and Froth Thickness Milk Frother. This video demonstrates the frother's key features, including adjustable temperature and froth thickness settings, and shows various frothed milk beverages.
Cleaning and Maintenance
Regular cleaning ensures optimal performance and longevity of your milk frother.
- Always unplug the frother from the power outlet before cleaning.
- Remove the milk pitcher from the base unit.
- Remove the frothing whisk from the bottom of the pitcher.
- The stainless steel pitcher, lid, and whisk are dishwasher safe (top rack only). Alternatively, wash them by hand with warm soapy water and the provided cleaning brush.
- Do not immerse the base unit in water or any other liquid. Wipe the exterior of the base unit with a soft, damp cloth.
- Ensure all parts are completely dry before reassembling and storing.

Image: The Maestri House Milk Frother pitcher, lid, and whisk placed in the top rack of a dishwasher, demonstrating its dishwasher-safe design for easy cleaning.
Official Cleaning Video
Video: Maestri House Milk Frother cleaning demonstration. This video shows how to easily disassemble and clean the frother's components, including the magnetic whisk and stainless steel pitcher.
Troubleshooting
If you encounter any issues with your Maestri House Milk Frother, please refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Frother does not start | Not properly plugged in; pitcher not correctly placed; whisk not inserted. | Ensure power cord is securely plugged in. Check that the pitcher is correctly seated on the base and the whisk is properly inserted. |
| Milk not frothing or heating | Milk level too low/high; incorrect whisk used; milk type unsuitable. | Adjust milk level between MIN and MAX lines. Ensure the correct whisk is used for frothing. Some milk types (e.g., skim milk) froth better than others. |
| Overheating protection activated | Unit has been used continuously; internal temperature too high. | Unplug the unit and allow it to cool down for at least 10 minutes before resuming operation. |
Official Troubleshooting Video
Video: Maestri House Milk Frother troubleshooting guide. This video addresses common operational issues and provides solutions to ensure your frother functions correctly.
Specifications
- Brand: Maestri House
- Model Name: MMF-9304
- Capacity: 21oz (600mL) total; 10.1oz (300mL) for frothing
- Material: 304 Stainless Steel
- Color: Black
- Power Source: Electric
- Voltage: 120 Volts
- Wattage: 550 watts
- Special Features: Variable Temperature & Froth Thickness, Smart Touch Control, Memory Function, Dishwasher Safe Pitcher, Overheating Protection
Warranty and Support
For warranty information or technical support, please contact Maestri House customer service. Refer to the contact details provided in the original product packaging or visit the official Maestri House website.
Please retain your proof of purchase for any warranty claims.







