High-efficiency brine-to-water heat pump - 2 performance levels
50kW High-efficiency ground-to-water heat pump SI50TU
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50kW High-efficiency ground-to-water heat pump SI50TU


50kW High-efficiency ground-to-water heat pump SI50TU


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The SITU range of ground source heat pumps is able to meet heat loads from 18kW to 138KW with a single unit and if banked together can achieve outputs up to 1932kW. The high efficiency design delivers excellent seasonal performance which helps to meet building regulations and reduce running costs.

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Other options are available for this product.


High efficiency and high output ground source heat pump with electronic expansion valve and electronic pump control. Designed for indoor installation. • Two scroll compressors to flexibly and efficiently adapt to fluctuating heat demand with intelligent load switching between compressors to maximise compressor life. • Supplied complete with integrated WPM Econ5Plus heat pump manager. • Reduced operational noise through the use of an encapsulated compressor housing and a free-swinging compressor base plate.

Technical Specifications

Key Features
Colour/Finish/MaterialWhite (similar to RAL 9016)
Heat Output (kW)52.0kW @ B0/W35
Heat Pump CoP5
InstallationIndoors - Non domestic – The SI TU range uses a three phase electricity supply, making them suitable for a range of non-domestic/ commercial applications with heat load demands up to 130kW.
Outside Air Temperature Range (oC)-5 / +25
Product Identification
Product model numberSI50TU
Height (mm)1665
Depth (mm)805
Width (mm)1000
Weight (kg)465
Packaging Information
Pallet Quantity1
Packed Depth (mm)790
Packed Height (mm)1700
Packed Width (mm)1060
Packed Weight (kg)465
Additional Features
Electric supply400V

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