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        Learn more by watching our Sauermann SI30 | Mini Air Conditioning Condensate Pump 20L/H video.

        Sauermann | Mini Condensate Pump 20L/H | Continuous Duty

        The Sauermann SI30 is a piston-type condensate pump for air conditioning units up to 20kW, rated 230V 50/60Hz at 14W with a maximum flow rate of 20L/h. The SI30 combines quiet operation at 20 dBA with continuous discharge capability across wall-mounted, ducted, ceiling-suspended, and fan-coil installations, making it a practical choice for residential and light commercial cooling systems where condensate drainage must be managed with minimal noise.

        Most AC installations must handle condensate removal, especially in tropical climates where systems run long hours. The SI30 manages moisture discharge without ceiling flooding and handles drain lines with vertical lift or horizontal run. Licensed electricians prefer pumps that operate quietly in open-plan homes, since pump noise carries through ceiling cavities and reaches occupied spaces below.

        The SI30 fits into tight spaces and connects into existing drain-line networks on jobs where a standard gravity drain is not an option. Its patented piston design and Drain Safe Device reduce the risk of debris blockage and prime loss, so the pump keeps running without the maintenance calls that follow trapped sediment or air locks. Installation takes minutes with the supplied mounting bracket and pre-fitted discharge tube, meaning technicians can spec and fit the SI30 without sourcing additional parts on site.

        Features

        • Piston pump technology — specifically engineered for condensate removal, handling discharge across varying head pressures without blocking from small particles or low-viscosity fluid.
        • 20L/h flow rate — handles continuous condensate from cooling units up to 20kW, reducing run-time and energy consumption compared to lower-capacity pumps.
        • Ultra-quiet operation (20 dBa) — independently tested sound level makes the SI30 suitable for open-plan and noise-sensitive residential installations without vibration complaints.
        • Anti-vibration mounting bracket — minimises transmission of pump vibration to walls, ceiling panels, and pipework, preventing noise amplification in structural cavities.
        • Drain Safe Device (pre-mounted) — integrated one-way valve holds prime between pump cycles and discharges debris without blocking, reducing the need for clearing trapped sediment.
        • Wide mounting flexibility — wall-mounted, ceiling-hung, pipe-mounted, or ducted installation options using the supplied bracket, so electricians can fit it wherever space or aesthetics demand.
        • 3m suction head capacity — can be positioned up to 3 metres below the AC indoor unit without losing prime, covering most standard ceiling cavity heights and under-floor locations.
        • 10m discharge head capacity (at 4L/h) — supports vertical lift and horizontal run distances in systems where the drain or condensate tank is distant from the pump location.
        • Double insulation rated — insulation class provides electrical safety for direct operation from the mains supply without a separate earth connection.
        • IP20 protection rating — sealed to prevent dust and moisture ingress into the motor and electrical contacts, suitable for typical indoor installation in climate-controlled ceiling spaces.
        • Complete installation kit included — 1.5m lockable power cord, 1m clear PVC discharge tube with Drain Safe Device, detection unit with cable, mounting rail, rubber elbow, vent tube, and tie wraps all supplied.
        • CE and EAC certified — complies with European and Eurasian electrical safety standards; RoHS and WEEE directive compliant.

        Where to use

        • Wall-mounted AC units — directly below or to the side of the indoor wall-mounted head, with discharge line fed into an existing drain or condensate tank.
        • Ceiling-suspended cassette units — mounted within the ceiling cavity space, drawing condensate from the unit and discharging horizontally or vertically into a drain line.
        • Ducted AC systems — installed in the plenum or under the indoor unit, handling continuous condensate from split-duty commercial systems in offices, retail, or light-industrial spaces.
        • Fan-coil systems — supports condensate removal from fan-coil units in retrofit installations where a gravity drain is not feasible or where the unit is positioned above the drain outlet.
        • Continuous operation cycles — rated for 100% duty cycle, so the pump is suitable for systems running extended hours in tropical climates without thermal shutdown risk.
        • Remote or elevated drain locations — the 10m discharge-head capacity and 3m suction-head range allow the SI30 to push condensate through long runs or up multiple storeys to a remote tank or drain point.
        • Not suitable for high-temperature liquids — the SI30 is designed for condensate water (typically 10–30°C); it is not rated for hot water or industrial process fluids and may fail if exposed to sustained temperatures above 40°C.

        Verified Sparky Direct customer reviews: Sauermann SI30 (SI30)

        "Great pump super easy to install." — Bps

        "Shipping was extremely fast and item was well packaged." — Kakadu

        (SI30)

        Yes. It operates at 20 dBa (independently tested), which is quieter than most household appliances. The anti-vibration mounting bracket further reduces noise transmission to walls and ceiling cavities, making it suitable for noise-sensitive open-plan homes.

        Installation must be carried out by a licensed electrician. The pump operates on 230V mains power and must be correctly wired with appropriate circuit protection. However, the physical installation is straightforward — the mounting bracket, power cable, and pre-fitted discharge tube are supplied, so the job typically takes 15 to 20 minutes.

        The kit includes the piston pump, 1m clear PVC discharge tube with integrated Drain Safe Device, anti-vibration mounting bracket, 1.5m lockable power cable, detection unit with 1.5m cable, installation kit (rubber elbow, vent tube, mounting rail, adhesive), and six tie wraps.

        It is designed for low-maintenance operation. The Drain Safe Device prevents blockages from sediment or debris, and the pump requires no regular servicing under normal conditions. Inspect the discharge tube and drain connections annually to ensure no external blockages, and clear any debris from the detection unit inlet if dust accumulation is visible.

        Sauermann provides a one-year warranty covering manufacturing defects from the invoice date. Warranty claims are handled through Sparky Direct — return the unit for assessment or replacement if a fault is confirmed within the warranty period.

        The Sauermann SI30 is available online from Sparky Direct, with Australia-wide delivery to any state or territory including regional areas. Sparky Direct is an Australian electrical wholesaler established in 2005, supplying more than 500,000 customers with transparent trade pricing.

        100-Day Fuss-Free Returns
        We want you to love what you buy—but if you change your mind, that’s okay too. That’s why Sparky Direct offers a 100-day money-back guarantee.

        • Items must be unused, with all parts, accessories, and original packaging.
        • We can’t accept returns if the product is damaged, incomplete, or not in resalable condition.
        • Proof of purchase is required.
        • Return shipping is the responsibility of the customer. 

        If your item isn’t in its original condition, please contact us before returning it—we might save you time and money.

        All products come with a manufacturer’s or supplier’s warranty

        • Warranty starts from the Invoice Date
        • Some suppliers offer in-home warranties and handle claims directly, so you won’t need to uninstall or return the product. Chat with us to check if your product qualifies.
        • Sparky Direct isn’t responsible for losses caused by product failure.
        • Warranties are void if products aren’t installed by a licensed electrician.

        Damaged or Faulty Goods
        If your order arrives damaged or is faulty, let us know within 24 hours.

        • Sparky Direct will pay for return shipping via an emailed return label.
        • If the fault is confirmed, we will send you a replacement item or provide a refund.

        Contact us via our chat to arrange the return.

        Exclusions
        We can’t accept returns for:

        • Items that have been installed, modified, or used
        • Clearance, End of life, Discontinued, or special order items (unless faulty)
        • All PPE Items
        • Goods returned without original packaging or proof of purchase

        How to Request a Return

        1. Contact our customer service team with your order number.
        2. Confirm it’s eligible under our return or warranty policy.
        3. Pack the item securely and return it using a trackable service.
        4. Once we receive and inspect it, we’ll process your refund or replacement.

        Warranty starts from Invoice Date

        Domestic Use: 1 Year
        Commercial Use: 1 Year
        Warranty Method: Return to Sparky Direct

        Specification Details
        Max. Flow Rate 20 l/h
        Max. Suction Head 3 m
        Max. Discharge Head 10 m (flow rate = 4 l/h)
        Max. Pressure 14 m (flow rate = 0 l/h)
        Sound Level at 1m 20 dBa (According to EN ISO 3744)
        Mains Supply 230V~ 50/60Hz - 14 W
        Insulation Class Double Insulation
        Detection Levels ON: 16 mm, OFF: 11 mm, Safety: 19 mm
        Safety Switch NC 8 A resistive – 250V
        Thermal Protection 115 °C (auto-reset)
        Operating Conditions 100% - Continuous duty
        Protection IP20
        Safety Standards CE & EAC
        RoHS Directive Compliant
        WEEE Directive Compliant

        These specifications and characteristics outline physical, mechanical, electrical details.

        Brand Sauermann
        SKU SI30
        Barcode # 3700543259916
        Package Weight 0.449kg
        View Datasheet
        TYPE VALUE
        Type Condensate Pump
        Brand Sauermann
        Voltage (V) 230
        Wattage (W) 14
        IP Rating IP20

        Electrical and HVAC products sold by Sparky Direct are intended for installation by licensed and appropriately qualified professionals in accordance with applicable Australian Standards and regulatory requirements. Customers are responsible for ensuring that any product purchased, including any related or associated components, is compatible and suitable for their intended installation and application.

        Sparky Direct does not provide installation advice and does not assess product suitability for individual circumstances unless expressly confirmed in writing. Customers must confirm correct product selection, compatibility, compliance, and suitability with a licensed or appropriately qualified professional prior to purchase.

        Tools sold by Sparky Direct must be used safely and in accordance with the manufacturer’s instructions. Customers are responsible for ensuring they have the necessary knowledge and competence to operate any tool purchased. If you are unsure how to safely or correctly use a tool, do not use it and seek guidance from the manufacturer or a suitably qualified professional.

        Nothing in this clause limits or excludes any rights or guarantees available under the Australian Consumer Law.

        For website terms and conditions https://www.sparkydirect.com.au/terms-of-use

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