Koller Circulation Pump for Hot Tubs 0.54HP – 146-400-WE

This low-power circulation pump provides optimal performance while maintaining a very quiet operation. With the modern SUPA STEALTH™ (SST) technology, the pump ensures perfect adaptation to the hydraulic design of the hot tub, while increasing overall energy efficiency. It features an integrated C-profile and is compatible with the Quick Fix Vario® system, allowing for quick and easy installation. Additionally, the pump is resistant to chemicals and UV radiation, ensuring long service life even under intensive operation. Suitable for systems with automatic self-draining (self-drain).

Its compact dimensions and low weight (4.3 kg) make it easy to handle and install even in tight spa spaces. The pump is ideal for various performance requirements and can be used in a wide range of filtration applications. An added benefit is the possibility of glue-free use thanks to the two-way union fitting. All this makes it an excellent choice for anyone looking for a reliable, efficient, and compact filtration pump.

Technical specifications:

• Model: System with self-drain function
• Power: 0.54 HP (0.4 kW)
• Voltage: 220–240 V / 50 Hz
• Weight: 4.3 kg
• Connection system: 3 m cable with terminals