Sicce Syncra Silent 3.5 Pump – 660 GPH
The Sicce Syncra Silent 3.5 combines powerful water movement with silent performance, making it a trusted choice for both saltwater and freshwater aquarium systems. Designed for submersible or in-line use, this pump is ideal for return applications, reactors, skimmers, and fountains. With a maximum head height of 12.5 feet, it’s an excellent choice for setups that demand higher pressure.
Key Features
- Ultra Silent Operation – Precision-engineered rotor and synchronous motor
- High Head Performance – Pushes water up to 12.5 feet (5.43 PSI)
- Energy Efficient – Moves water effectively at just 68 watts
- Adjustable Flow – Fine-tune output to match your system’s needs
- Rugged Construction – Ceramic shaft, durable rotor, and corrosion-resistant parts
- Fully Submersible or In-Line Compatible
- Safe for Freshwater & Saltwater Systems
Ideal Applications
- Aquarium return pump (medium to large tanks)
- Feeding protein skimmers or media reactors
- Water circulation for UV sterilizers or chillers
- Indoor fountains and custom water features
Technical Specifications
- Flow Rate: 660 GPH (adjustable)
- Max Head Height: 12.5 ft
- Power Usage: 68W
- Pressure Rating: 5.43 PSI
- Inlet: 1" Female NPT or 1"–1¼" Hose Barb
- Outlet: ¾" Female NPT or ¾"–1" Hose Barb
- Pump Dimensions: 4.84" L × 3.35" W × 4.13" H
- Cord Length: 6 ft
- Warranty: 5-Year Motor / 6-Month Impeller (with online registration)
Whether you’re running a tall return line, a high-pressure reactor, or just want a quiet, efficient pump for daily use, the Sicce Syncra Silent 3.5 delivers reliability and performance at an unbeatable value.
Need help choosing the right flow rate or plumbing adapters? The Tidalwave team has you covered.
We totally understand that plans change! You can modify or cancel your order as long as it hasn’t been shipped yet. Just call or email us right away - our team will confirm if we can catch it before it leaves our facility.
If your order is already in transit, you’ll need to request a return once it arrives. Keep in mind that some items, like aquariums and livestock, can’t be returned.
For full terms, please refer to our Refund & Return Policy.
Placing an order is simple - just add your item to the cart & complete the checkout process online. Once your order is confirmed, we'll reach out to you directly to schedule a local pick-up appointment at our facility.
* All local pick-ups are by appointment only *
Order processing typically takes 1-2 business days for products that are in stock or readily available through our network of distributors. Some products, however, are fulfilled on demand directly from our distributors, which can slightly extend processing and delivery times depending on availability and location.
Rest assured - we always work to get your order shipped as quickly as possible.
If you’d like to confirm availability or request an ETA before placing your order, you’re always welcome to call or email us.