High-efficiency brine-to-water heat pump
22kW High-efficiency ground-to-water heat pump SI22TU
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22kW High-efficiency ground-to-water heat pump SI22TU


22kW High-efficiency ground-to-water heat pump SI22TU


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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 single compressor ground source heat pump with economiser. Designed for indoor installation. • Product supplied with integral WPM Econ5Plus controller, NTC-10 external weather sensor and integrated flow and return sensors. • Supplied with electronic soft starter, relays for brine circulation pump and brine circuit strainer. • Reduced operational noise due to built in insulation and double vibration-isolated compressor plate.

Technical Specifications

Key Features
Colour/Finish/MaterialWhite (similar to RAL 9016)
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 numberSI22TU
Height (mm)845
Depth (mm)665
Width (mm)650
Weight (kg)184
Packaging Information
Pallet Quantity1
Packed Depth (mm)750
Packed Height (mm)1080
Packed Width (mm)800
Packed Weight (kg)200
Additional Features
Electric supply400V

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