SAUERMANN SI 1805 CONDENSATE DRAIN PUMP WITH TANK FOR REFRIGERATED DISPLAY CABINETS AIR CONDITIONER BOILER

The Sauermann SI1805SIUN23 is a compact, high-performance centrifugal pump designed for draining condensate from air conditioners, refrigerated display cases, and gas-fired condensing boilers. Thanks to its robust construction and ability to handle acidic (pH > 3.4) and high-temperature condensate, it is ideal for professional installations in residential and commercial settings.

The integrated 0.5-liter tank and durable float ensure reliable operation even under demanding conditions. The pump is reversible for easy right- or left-hand installation and features a built-in check valve.

Main Features:

* Code: SI1805SIUN23
* Technology: Monobloc centrifugal pump with tank
* Maximum flow rate: 500 l/h
* Maximum delivery height: 5.4 meters
* Maximum pressure: 5.8 m (at 0 flow rate)
* Power supply: 230 V~ 50/60 Hz – 90 W
* Duty cycle: 30% (3 s ON / 7 s OFF)
* Condensation temperature: max 65°C (80°C for short periods)
* Detection levels: ON 32 mm / OFF 25 mm / safety 39 mm
* Safety contact: NC 4 A – 250 V
* Thermal protection: 120°C with automatic reset
* Degree of protection: IP20
* Sound level: 47 dBA at 1 meter
* Pump dimensions: 195 × 130 × 132 mm
* Weight with packaging: 2.0 kg
* Compliance: CE, RoHS, WEEE, EAC

Kit contents:

* Pump with integrated tank
* Non-return valve Ø 10 mm
* Power cable with European plug (2 m)
* Safety contact cable (1 m)

Recommended applications:

* Gas condensing boilers
* High-efficiency gas boilers
* Floor-standing and ducted air conditioners
* Multi-cassette systems
* Refrigerated display cases
* Evaporators

Applications
• Column air conditioners
• Multi cassettes
• Channeled
• Gas condensing boilers
• High efficiency gas boilers
• Refrigerated display cases
• Evaporators