Spectra S2 User Manual: A Comprehensive Guide
Welcome! This manual details the Spectra S2, a hospital-strength, portable pump favored by mothers and lactation consultants. It offers efficient, comfortable, and discreet pumping,
weighing just 3lbs. Spectra Baby USA supports breastfeeding journeys with high-performing pumps and IBCLC expert guidance.
The Spectra S2 Plus is a highly regarded double electric breast pump, designed to mimic a baby’s natural sucking rhythm, promoting efficient and comfortable milk expression. It’s a popular choice among breastfeeding mothers and consistently recommended by lactation consultants for its reliability and performance. This pump offers a closed system, ensuring hygiene and preventing backflow into the tubing and motor.
Weighing only 3lbs, the S2 Plus prioritizes portability without sacrificing power. Its quiet operation allows for discreet pumping, providing privacy for mothers. The Spectra S2 is more than just a pump; it’s a tool designed to support and empower your breastfeeding journey. Spectra Baby USA is dedicated to providing mothers with the resources and support they need, offering pumps backed by IBCLC lactation experts.
This user manual will guide you through every aspect of using your Spectra S2, from initial setup and operation to cleaning, maintenance, and troubleshooting. We aim to provide a comprehensive understanding of the pump’s features, ensuring a positive and successful pumping experience. Remember, Spectra is committed to helping you pump, store, and feed with comfort and confidence.
Unboxing and Component Identification
Upon opening your Spectra S2 Plus Premier package, carefully verify all components are present. You should find the pump motor, two collection bottles (typically 5oz), two breast flanges (size dependent on your needs – see flange fitting guide), one tubing set, a power adapter, and a backflow protector. A tote bag, additional bottles, and a cooler may be included in bundle packages.
Key Components: The pump motor is the central unit, powering the suction. Collection bottles gather expressed milk. Breast flanges create a seal with your breast. The tubing connects the flanges to the motor, and the backflow protector prevents milk from entering the tubing. Inspect each item for any damage before use.
Familiarize yourself with each part’s function. The tubing has distinct ends – one connects to the flanges, the other to the motor. Ensure the backflow protectors are securely attached to the flanges. Refer to the included diagrams for visual identification. If any components are missing or damaged, contact Spectra Baby USA customer support immediately for assistance.
Setting Up the Spectra S2
Before your first use, ensure all components are thoroughly cleaned and sterilized according to the cleaning instructions (see section on Cleaning and Sterilization). Connect the tubing to the pump motor, ensuring a secure fit – you should hear a slight click. Then, attach the backflow protectors to the breast flanges. Next, connect the other end of the tubing to the backflow protectors on each flange.
Position the pump motor on a stable, flat surface. Ensure the power adapter is readily accessible. Attach the collection bottles to the breast flanges, twisting gently until secure. Double-check all connections to prevent air leaks, which can reduce pumping efficiency. It’s crucial to assemble the pump correctly for optimal performance and hygiene.
Before initiating pumping, test the setup by briefly turning on the pump at a low suction level to confirm proper function and identify any potential leaks. A properly assembled Spectra S2 will operate quietly and efficiently, providing a comfortable pumping experience.
Powering the Pump: Battery & Adapter
The Spectra S2 offers flexible power options: a standard AC adapter and battery power. To use the AC adapter, plug it into a standard electrical outlet and connect the other end to the pump motor. The pump will automatically operate when plugged in, overriding battery power. For battery operation, ensure the battery is fully charged before use for maximum runtime.

Charging the battery typically takes several hours. A charging indicator light will illuminate during charging and change color or turn off when fully charged. The Spectra S2 is designed to maintain a charge for an extended period, offering portability for travel or pumping away from outlets.
It’s recommended to periodically check the battery’s performance and replace it if the runtime significantly decreases. Using a non-approved adapter may damage the pump. Always disconnect the adapter when not in use to conserve energy and prolong battery life.
Control Panel Overview
The Spectra S2’s control panel is intuitively designed for ease of use. It features clearly labeled buttons for power, mode selection (Stimulation/Expression), and suction level adjustment. The digital display shows the current suction strength, allowing for precise control. Separate buttons control the cycling speed, enabling customization to your comfort level;
The ‘Start/Pause’ button initiates and halts pumping cycles. A timer display indicates the total pumping duration, helpful for tracking sessions. The panel also includes indicators for battery level and any potential error messages. Understanding these indicators is crucial for optimal pump operation.
The panel’s responsive buttons ensure quick and accurate adjustments. Familiarize yourself with each button’s function before starting a pumping session. Refer to the ‘Operation Modes’ section for detailed explanations of Stimulation and Expression modes and how to effectively utilize the control panel features.
Operation Modes: Stimulation & Expression
The Spectra S2 offers two distinct operation modes: Stimulation and Expression, designed to mimic a baby’s natural nursing pattern. Stimulation mode initiates with faster, gentler suction to encourage let-down, typically lasting 2-5 minutes. This phase prepares your milk ducts for efficient milk removal.
Once let-down occurs, seamlessly transition to Expression mode. This mode provides stronger, more consistent suction for effective milk extraction. The S2 automatically switches after a set time, or you can manually change modes using the control panel. Adjust suction levels within each mode to find your optimal comfort and efficiency.

Experimenting with both modes is key to finding what works best for your body. Some mothers prefer a longer stimulation phase, while others respond quickly. The S2’s customizable settings allow you to personalize your pumping experience for maximum milk output and comfort.
Adjusting Suction Levels
The Spectra S2 allows precise control over suction levels, crucial for both comfort and effective milk expression. Suction is adjusted using the “+” and “-” buttons on the control panel. Begin with the lowest suction level and gradually increase it until you feel a comfortable, yet effective pull.
Avoid using the highest suction setting, as this can cause discomfort or even damage to breast tissue. The goal is to find the level that efficiently empties your breasts without causing pain. A slight tingling sensation is normal, but sharp pain is a signal to reduce the suction.
Suction levels can be adjusted in both Stimulation and Expression modes. Remember that your optimal suction level may change over time, so periodically reassess your comfort. Individual needs vary greatly; what feels comfortable for one mother may not for another. Prioritize your comfort throughout the pumping session.
Cycling Mode & Customization
The Spectra S2 features a cycling mode, which alternates between high and low suction levels, mimicking a baby’s natural nursing pattern. This mode can enhance milk flow and improve comfort, particularly for mothers experiencing nipple sensitivity. The cycle speed is adjustable, allowing for personalized customization.
To customize your pumping experience, utilize the S2’s memory function. Once you’ve found your preferred suction levels and cycle settings, the pump will retain these settings for future use. This eliminates the need to readjust each time you pump, saving you time and ensuring consistency.
Experiment with different cycle speeds and suction levels to discover what works best for your body. The S2’s flexibility allows you to tailor each session to your individual needs, maximizing efficiency and comfort. Remember to prioritize what feels most natural and effective for you.
Backflow Protector: Installation & Maintenance
The Spectra S2’s backflow protector is a crucial component, preventing milk from entering the tubing and motor, ensuring hygienic operation. To install, securely attach the protector to the end of the tubing connected to the flange. Ensure a tight seal to prevent leaks and maintain suction.
Regular maintenance of the backflow protector is essential. After each use, disassemble the protector and thoroughly wash all parts with warm, soapy water. Rinse completely and allow to air dry on a clean surface. Inspect for any cracks or damage; replace if necessary.
Important: Do not boil or sterilize the backflow protector, as this can damage the delicate membranes. Proper cleaning and regular inspection are vital for maintaining pump hygiene and preventing contamination. Replacement backflow protectors are readily available; see the ‘Replacing Parts’ section for details.
Tubing Connection & Proper Usage

Correct tubing connection is vital for efficient and hygienic pumping with your Spectra S2. Begin by firmly attaching the tubing to the pump motor, ensuring a secure fit. Then, connect the other end of the tubing to the backflow protectors installed on each flange. Double-check all connections before starting a pumping session.
During usage, avoid kinking or bending the tubing excessively, as this can restrict milk flow and reduce suction. Keep the tubing clear of obstructions and ensure it doesn’t come into contact with any potentially contaminated surfaces. Regularly inspect the tubing for cracks or damage; replace if any are found.
Important: The Spectra S2 utilizes a closed system, minimizing the risk of milk contamination. Proper tubing connection and careful usage maintain this hygienic barrier. Replacement tubing kits are available to ensure optimal performance and sanitation.
Flange Selection & Fit
Achieving a comfortable and effective pumping experience with your Spectra S2 hinges on selecting the correct flange size. Incorrect flange size can lead to discomfort, reduced milk output, and even damage to breast tissue. Spectra offers a range of flange sizes; it’s crucial to measure your nipple accurately.
A proper fit ensures your nipple moves freely within the flange tunnel without excessive friction or rubbing. Too small a flange can cause pain and restricted milk flow, while too large a flange can lead to insufficient suction. Observe your nipples during pumping – they should not be pulled completely into the tunnel or rub against the sides.
Tip: If you experience discomfort or suspect an incorrect fit, consult with an IBCLC (International Board Certified Lactation Consultant) for personalized guidance. Replacement flanges are readily available to optimize your pumping sessions and maximize comfort.
Cleaning and Sterilization Procedures
Maintaining impeccable hygiene is paramount when using your Spectra S2 breast pump to safeguard your milk supply and your health. After each use, disassemble all parts that come into contact with breast milk – including the flanges, valves, membranes, tubing connectors, and bottles.
Wash these components thoroughly with warm, soapy water. A dedicated bottle brush can be helpful for reaching all areas. Rinse meticulously to remove all soap residue. Sterilization is recommended, especially for newborns or infants with compromised immune systems.
You can sterilize pump parts by boiling them for 5-10 minutes, using a steam sterilizer, or utilizing microwave steam bags designed for baby products. Allow parts to air dry completely on a clean surface before reassembling. The tubing itself does not require sterilization, but should be wiped down with a damp cloth.
Troubleshooting Common Issues
Encountering occasional issues with your Spectra S2 is normal. If the pump isn’t turning on, ensure it’s properly connected to a power source or that the battery is charged. Weak suction often indicates a problem with the valve or membrane – check for cracks or proper seating. A whistling sound may suggest an air leak in the tubing connections; ensure they are secure.

If milk is flowing back into the tubing, verify the backflow protector is correctly installed and functioning. Reduced milk output could be due to incorrect flange size or insufficient suction levels; experiment with adjustments.
For persistent problems, consult the Spectra Baby USA website for FAQs or contact their customer support. Remember, connecting with an IBCLC (International Board Certified Lactation Consultant) can provide personalized assistance and address unique breastfeeding challenges. Don’t hesitate to seek expert guidance!
Replacing Parts: Where to Find Them
Maintaining your Spectra S2 requires periodic replacement of parts like valves, membranes, and tubing to ensure optimal performance and hygiene. Spectra Baby USA offers a comprehensive range of replacement parts directly through their official website, spectrababyusa.com. You can easily find individual components or convenient replacement kits tailored to your S2 model.
Additionally, many online retailers specializing in breastfeeding supplies, such as Amazon and other baby product stores, carry Spectra S2 replacement parts; Local baby boutiques may also stock essential components. When purchasing, always verify the parts are specifically designed for the Spectra S2 to guarantee compatibility.
Regularly inspect your parts for wear and tear, and replace them as needed – typically every 3-6 months with consistent use. Keeping a spare set on hand ensures uninterrupted pumping sessions. Spectra offers bundles for convenience!
Understanding Warranty Information
Spectra Baby USA stands behind the quality and performance of the Spectra S2 breast pump. Generally, the Spectra S2 comes with a one-year warranty covering defects in materials and workmanship from the date of purchase. This warranty protects against malfunctions occurring under normal use, not damage caused by accidents, misuse, or unauthorized repairs.
To initiate a warranty claim, you’ll typically need to provide proof of purchase (receipt or order confirmation) and a detailed description of the issue. Contact Spectra Baby USA’s customer support directly through their website, spectrababyusa.com, for specific instructions and to obtain a Return Merchandise Authorization (RMA) number.
The warranty does not cover normal wear and tear of parts like valves, membranes, or tubing. These components are considered consumables and are not included in the warranty coverage. Retain your original packaging and documentation for streamlined warranty processing.
Insurance Coverage for Spectra S2
Thanks to the Affordable Care Act (ACA), most insurance plans must cover a breast pump, including the Spectra S2, at no cost to you. However, coverage details vary significantly between insurance providers. It’s crucial to verify your specific plan’s benefits regarding breast pumps.
Typically, you’ll need to obtain a prescription from your doctor or a lactation consultant to submit to your insurance company. Spectra Baby USA often provides resources and support to help navigate the insurance process. They may offer a direct-to-insurance billing service, simplifying the claim submission.

Before purchasing, contact your insurance provider to confirm coverage, required documentation (prescription, Letter of Medical Necessity), and whether you need to purchase from a participating supplier. Some plans require you to use a specific supplier network. Explore Spectra’s website for helpful guides and links to insurance resources, streamlining your path to a covered pump.
Connecting with Lactation Consultants
Spectra Baby USA recognizes the invaluable support of lactation consultants (IBCLCs) throughout the breastfeeding journey. They understand that navigating pumping and milk supply can present challenges, and professional guidance is often essential.
Spectra Customers have the convenient option to schedule time directly with an Internationally Board Certified Lactation Consultant (IBCLC). This service provides personalized assistance, addressing concerns about flange fit, pump settings, milk output, and overall breastfeeding management.
IBCLCs can help optimize your Spectra S2 experience, ensuring effective and comfortable pumping sessions. They can also assist with troubleshooting any issues you may encounter. Beyond Spectra’s direct access, numerous resources exist to locate local IBCLCs. Websites like the International Lactation Consultant Association (ILCA) offer searchable directories.

Don’t hesitate to connect with an IBCLC – they are dedicated to empowering mothers and supporting successful breastfeeding and pumping experiences with your Spectra S2.
Safety Precautions & Important Notes
Important Safety Information: Always inspect all components of your Spectra S2 before each use, discarding any cracked or damaged parts. Ensure the backflow protector is properly installed to prevent milk from entering the tubing and pump motor – this is crucial for hygiene.
Never operate the pump near water or in a humid environment. Keep the pump motor dry and avoid submerging any part in water. Regularly clean and sterilize all parts that come into contact with breast milk, following the detailed procedures outlined in this manual.
Do not modify the pump in any way. Use only genuine Spectra replacement parts to maintain performance and safety. If you experience any discomfort or pain during pumping, immediately stop and consult with a lactation consultant or healthcare professional.
This pump is intended for personal use only. Sharing components between users is not recommended due to hygiene concerns. Store the pump in a clean, dry place, out of reach of children.

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