NIBE S1256

NIBE FLM S45

The NIBE FLM S45 exhaust air modules provide an effective way to enhance the performance of NIBE ground source heat pumps by reclaiming heat from the building’s ventilation system and transferring it into the brine circuit. The FLM S45 incorporates an exhaust fan, plate heat exchanger and dedicated brine circulation pump within a compact housing, enabling simple integration with S-Series ground source heat pumps. It provides mechanical ventilation, improving indoor air quality while helping reduce the size of the ground collector needed.

NIBE RMU S40

The RMU S40 is a wireless room unit designed for NIBE S-Series heat pumps, providing users with a convenient interface for system control while also serving as an intelligent indoor sensor for temperature and humidity. The unit connects to the heat pump without any hard-wired communication, making placement flexible and reducing installation time. Commissioning is streamlined through a QR code pairing process that guides the installer step by step.

NIBE PCM S40

The NIBE PCM S40 modules provide installers with a simple and effective way to add passive cooling to ground source heat pump systems by circulating cool brine from the ground collector directly through the building’s heating distribution system. The PCM S40 contains a dedicated circulation pump, mixing valve and reversing valve, enabling clean, automatic switching between heating and cooling under the heat pump’s control. PCM S40 is designed for S-Series systems up to 8 kW.

NIBE PCS 44

The NIBE PCS 44 is a compact passive cooling module designed to provide efficient, low-energy summer comfort by circulating naturally cool brine from the ground collector through the building’s distribution system. The unit includes a dedicated circulation pump and motorised valves that manage all hydraulic changeover between heating and cooling, removing the need for external valve packages or additional controllers. Its slim wall-mounted design and front-facing pipe connections simplify installation in tight plantroom spaces, with brine and hydronic connection groups prepared to ensure tidy, predictable pipe routing.

NIBE SRV 10

The SRV 10 is a wireless radiator thermostat designed to give finer room level control within NIBE S-Series heating systems. Installation is straightforward: the unit is fitted onto an M30x1.5 radiator valve using the supplied adapter if required, then automatically enters its mounting and calibration phases. Local comfort can be adjusted directly at the radiator using the plus and minus keys, with the LCD screen providing clear feedback on operating mode, set temperature and battery status.

NIBE ELK 42

The NIBE ELK 42 acts as source of supplementary heat for NIBE heat pump systems, for up to 42kW of output. It integrates seamlessly with NIBE systems, allowing the heat pump to activate electric backup automatically during peak loads, cold weather or rapid reheat periods. Multi-stage output control ensures smooth modulation and avoids unnecessary electrical demand. It also incorporates built-in safety features, including thermostats, temperature limiters and circuit protection, making the range suitable for compliant, predictable and installer-friendly system design.

NIBE ELK 5

NIBE ELK 8

NIBE ELK 26

The NIBE ELK 26 acts as source of supplementary heat for NIBE heat pump systems, for up to 26kW output. It integrates seamlessly with NIBE systems, allowing the heat pump to activate electric backup automatically during peak loads, cold weather or rapid reheat periods. Multi-stage output control ensures smooth modulation and avoids unnecessary electrical demand. It also incorporates built-in safety features, including thermostats, temperature limiters and circuit protection, making the range suitable for compliant, predictable and installer-friendly system design.

NIBE POOL 40

The NIBE POOL 40 accessory provides a complete, ready-engineered solution for integrating pool heating into a NIBE ground source heat pump system. Using its dedicated AXC module, motorised 3-way valve and paired pool sensors, the unit automatically diverts heating medium flow through a pool heat exchanger whenever pool heating is enabled. The accessory controls both the pool circulation pump and any required external heating medium pump, ensuring correct flow and accurate temperature readings throughout the charge cycle. Built-in sensor validation ensures pool heating only activates under safe conditions, providing dependable operation and seamless interaction with the wider heat-pump system.

NIBE ELK 15

The NIBE ELK 15 acts as source of supplementary heat for NIBE heat pump systems, for up to 15kW of output. It integrates seamlessly with NIBE systems, allowing the heat pump to activate electric backup automatically during peak loads, cold weather or rapid reheat periods. Multi-stage output control ensures smooth modulation and avoids unnecessary electrical demand. It also incorporates built-in safety features, including thermostats, temperature limiters and circuit protection, making the range suitable for compliant, predictable and installer-friendly system design.

NIBE AXC 40

The NIBE AXC accessory range enables installers to add specialist functions to a NIBE system beyond the standard capabilities of the heat pump or controller. Each module provides a structured set of relay outputs, sensor inputs and communication interfaces for managing shunt valves, external boilers, additional climate circuits, cooling functions, circulation pumps and hybrid heat sources. Supplied with temperature sensors and complete mounting materials, AXC modules integrate directly into the heat pump’s accessory bus and are automatically recognised during commissioning. AXC 40 is for pairing with the SXX56 ground source range.

NIBE ACS 45

The NIBE ACS 45 is a dedicated passive and active cooling accessory designed to extend the functionality of NIBE heat pumps by enabling independent heating and cooling operation. Working as an intelligent interface between the heat pump and the wider cooling circuit, the ACS 45 provides structured connection points for shunt valves, reversing valves, circulation pumps and external temperature sensors. These inputs allow the heat pump to accurately regulate cooling demand via the chosen cooling curve, switch between passive and active cooling, and ensure safe system behaviour through features such as condensation prevention and external cooling mode blocking.

With direct compatibility across the NIBE S-Series, the ACS 45 gives installers a reliable and fully integrated way to deliver brine-fed or compressor-driven cooling within UK homes, using the same control logic, commissioning tools and installation practices already familiar from NIBE heating systems.

NIBE CDS 10

The NIBE CDS 10 is a wireless indoor temperature, humidity and CO₂ sensor. By feeding real-time data into the heat pump controller, the CDS 10 allows the system to make intelligent adjustments to heating, cooling and airflow, ensuring comfort and maintaining healthy indoor air conditions even in airtight modern buildings. Functions such as humidity limitation, condensation prevention during cooling and demand controlled ventilation are all activated through the CDS 10, giving installers greater precision when balancing climate systems and managing mixed-temperature emitters. With simple pairing, battery operation and compatibility across the S-Series range, the CDS 10 offers installers a powerful yet unobtrusive tool for achieving stable indoor comfort and improved control in multi-zone residential applications.

NIBE ROT 10

The ROT 10 is a wireless room thermostat and humidity sensor designed to give homeowners precise, flexible control over their indoor comfort. It measures and adjusts temperature within its assigned zone and monitors humidity, enabling functions such as limiting relative humidity in heating and cooling and preventing condensation formation in cooling mode. It can operate as a controlling or monitoring sensor within multi-zone systems, helping create tailored comfort throughout the home.

NIBE KB 25

The NIBE KB 25 provide a complete filling and flushing valve assembly for the brine side of a ground source heat pump installation. Designed to streamline commissioning, the units include clearly labelled valves for flow and return connections, enabling installers to fill or purge the collector loop efficiently before restoring the system to normal operating mode. KB 25 is sized for heat pumps up to 13 kW.

NIBE THS 10

The THS 10 is a wireless humidity and temperature sensor designed to enhance indoor climate control across NIBE heating and ventilation systems. By measuring conditions directly within the occupied zone, it provides the accuracy needed for functions such as humidity limiting, condensation prevention in cooling mode and zone-based temperature control. Installers can integrate the THS 10 into one or multiple climate zones, using it either as the controlling sensor or a displaying sensor depending on system design.

NIBE EME 20 UK

The NIBE EME 20 is a compact communication module that links NIBE heat pumps directly with compatible PV inverters, enabling the system to intelligently use surplus solar generation for heating, hot water and other energy-intensive functions. Capable of handling communication with up to twelve compatible inverters in parallel, the EME 20 is suitable for both standard domestic installations and larger PV systems.

NIBE ECS 41

Extra heating circuit (maximum 80-250 m2 floor heating). ECS 41 is used when heat pump is installed in houses with up to four different climate systems that require different flow line temperatures, for example, in cases where the house has both a radiator system and an under floor heating system.

NIBE HR 10

The NIBE HR10 is a compact auxiliary relay designed to provide safe and reliable switching of external 1 or 3 phase loads, such as immersion heaters, oil burners or circulation pumps, under the control of a NIBE heat pump or other automation source. The clear terminal layout makes electrical connection straightforward, with dedicated input and load terminals capable of handling up to 16 A resistive load and a protected X1 terminal block for the control signal. Cable glands are included for installation, and the compact dimensions make it easy to integrate the HR10 into tight plant spaces.

NIBE ECS 40

The NIBE ECS 40 kit allows installers to add one or more additional heating circuits to a NIBE heat pump installation where different supply temperatures are required, such as radiator and underfloor heating combinations. Each kit includes a dedicated AXC accessory module, shunt valve, shunt motor, circulation pump and temperature sensor, enabling the new zone to run as a fully controlled climate system with independent flow temperature, heating curve and pump operation. The ECS 40 is intended for smaller underfloor heating circuits up to 80 m².