Introduction
The Lansinoh Signature Pro Double Electric Breast Pump is designed to provide comfortable, efficient, and convenient breast milk expression. This manual provides essential information for the safe and effective use, assembly, operation, and maintenance of your breast pump.

Image: The main Lansinoh Signature Pro Double Electric Breast Pump unit, showcasing its compact design alongside collection bottles and flanges.
Safety Information
WARNING:
- Use only as instructed.
- Keep all small parts and packaging materials out of reach of children.
- Do not leave the pump unattended while in use.
- Discontinue use if any parts become damaged.
- For personal use only; not intended for multiple users.
- Avoid exposing the motor unit or power components to water.
What's Included
Your Lansinoh Signature Pro Double Electric Breast Pump package includes:
- 1 Lansinoh Signature Pro Double Electric Breast Pump unit
- 2 Lansinoh Breastfeeding Bottles (5oz)
- 2 ComfortFit flanges (25mm)
- 2 Flange bodies
- 2 Diaphragms
- 2 Diaphragm caps
- 1 Collar
- 1 NaturalWave Nipple (Slow Flow)
- 1 Nipple cover
- 2 Storage lids
- 2 White valves (+2 extra)
- 3 Connection tubes
- 1 Y tubing connector
- 1 Tubing strap
- 1 Pump connector
- 1 AC adapter
- 1 Tote bag
- 1 Instruction booklet

Image: A complete set of Lansinoh Signature Pro pump components, including the main unit, bottles, flanges, tubing, and accessories, arranged neatly.
Assembly
Follow these steps to assemble your breast pump before first use:
- Clean and Sanitize: Wash and sanitize all parts that come in contact with milk before first use. Refer to the 'Cleaning and Care' section for detailed instructions.
- Assemble Flange and Bottle: Attach the ComfortFit flange to the flange body. Screw a Lansinoh Breastfeeding Bottle onto the bottom of the flange body.
- Connect Tubing: Connect the tubing to the flange body. If using for double pumping, use the Y tubing connector to attach both flange assemblies to the pump unit. For single pumping, attach one flange assembly and use the tubing strap to cap the unused port on the Y connector.
- Connect to Pump Unit: Connect the other end of the tubing (or Y connector) to the pump connector on the main pump unit.

Image: A pair of Lansinoh ComfortFit flanges, highlighting their soft and flexible design for comfortable pumping.
Operating Instructions
The Lansinoh Signature Pro offers customizable settings for an optimal pumping experience.
- Position Flanges: Place the assembled flanges comfortably over your breasts, ensuring a proper seal.
- Power On: Press the power button on the pump unit. The LCD screen will illuminate.
- Select Mode: The pump features 2-phase technology with let-down and expression modes. Use the mode button to switch between these phases.
- Adjust Suction: Use the '+' and '-' buttons to select your desired suction level. There are 8 adjustable suction levels to maximize milk flow.
- Choose Pumping Style: The pump offers 3 pumping styles to mimic baby's natural feeding patterns. Adjust as needed for comfort and efficiency.
- Monitor Session: The LCD screen provides easy reading in low light, displaying session time and settings.

Image: A detailed view of the pump's LCD screen and intuitive touchpad controls, showing various settings and indicators.

Image: A user demonstrating the comfortable and hands-free use of the Lansinoh Signature Pro pump with a pumping bra.
Helpful Videos:
Video: A demonstration of the Lansinoh Signature Pro Breast Pump, highlighting its ease of use and features.
Video: A user review emphasizing the pump's quality and user-friendly design.
Power Options
The Lansinoh Signature Pro offers flexible power options for use at home or on the go:
- AC Adapter: Use the included AC adapter to plug the pump into a standard wall outlet.
- AA Batteries: For cordless pumping, insert 6 AA batteries (sold separately) into the battery compartment.
- Car Adapter: A Lansinoh-approved car adapter is available separately for use in vehicles.
Cleaning and Care
Proper cleaning and care are essential for hygiene and pump longevity.
- Disassemble: After each pumping session, disassemble all parts that came into contact with breast milk.
- Wash: Wash all disassembled parts in warm, soapy water. Use a soft brush for thorough cleaning. All parts are dishwasher safe.
- Rinse: Rinse thoroughly with clean water.
- Air Dry: Allow all parts to fully air dry on a clean surface or drying rack before reassembling or storing.
- Motor Unit: Wipe the motor unit with a damp cloth. Do not immerse the motor unit in water.

Image: Hands cleaning disassembled breast pump components in soapy water, demonstrating the ease of washing.
Troubleshooting
If you encounter issues with your Lansinoh Signature Pro breast pump, consider the following:
- No Suction or Weak Suction:
- Check that all pump parts are correctly assembled and securely connected.
- Ensure the tubing is free from kinks or damage.
- Verify that the diaphragm and valves are properly seated and not damaged. Replace if necessary.
- If using batteries, check if they are fresh and correctly inserted.
- Ensure the AC adapter is securely plugged into both the pump and the power outlet.
- Pump Not Turning On:
- Confirm the AC adapter is properly connected and the power outlet is functional.
- If using batteries, check battery orientation and charge level. Replace batteries if low.
- Pain or Discomfort During Pumping:
- Ensure your flange size is correct. Incorrect flange size can cause discomfort and reduce milk output.
- Adjust the suction level to a comfortable setting. Start with a lower setting and gradually increase.
- Consult the instruction booklet for proper flange placement and technique.
Specifications
| Feature | Detail |
|---|---|
| Product Dimensions | 6 x 5 x 4 inches |
| Item Model Number | 53050 |
| Material Type | Plastic |
| Material Composition | Plastic |
| Material Free | BPA |
| Additional Product Features | Hands Free, Portable, Painless |
| Number Of Items | 1 |
| Style | Signature Pro |
| Power Source | Electric |
| Pump Type | Electric |
| Batteries Required | Yes (6 AA batteries optional, not included) |
| Dishwasher Safe | Yes (milk contact parts) |
| Is Portable | Yes |
| Item Weight | 2 pounds |
Warranty and Support
Lansinoh is committed to supporting you throughout your breast pump journey. For any questions, concerns, or assistance with warranty claims, please reach out to Lansinoh's dedicated support team. Refer to the contact information provided in your product packaging or visit the official Lansinoh website for further details.





