Zealux XAH16Csi9T

Specifications and technical data

Also known as: ALSAVO HEAT 16i9T

✓ BUS eligibleAir Source (ASHP)ResidentialR29016.18 kW

Manufacturer	Zealux
Model	XAH16Csi9T
Model code	XAH16Csi9T
Heat pump type	Air Source (ASHP) All Air Source heat pumps →
Application	Residential All Residential heat pumps →
Refrigerant	R290 All R290 heat pumps →
Mode	Heating only
Heating capacity	16.18 kW
Max heating output (low temp)	11 kW at A-7/W55
COP (heating)	4.56 at A7/W35
Operating range (air)	-30 to 43 °C
Heating flow temperature	up to 55 °C
Power input	7.2 kW
Electrical supply	380-415V (Three Phase)
Cooling flow temperature	7–18 °C
Dimensions (H×W×D)	1380 × 1190 × 440 mm
Operational Weight	125 kg
Data added	2026-08-30
Data source	Manufacturer datasheet
Verification	Verified by a human
Boiler Upgrade Scheme	✓ BUS eligible — Listed on the Ofgem BUS Product Eligibility List (24 Sep 2026). Grant also needs an MCS-certified installer and a qualifying system design. Funding guide
PEL certificate no.	011-1W0926_1
MCS certification	✓ MCS listed
MCS certificate no.	011-1W0926_1

Free data sheet (PDF) →

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Zealux XAH16Csi9T air-to-water heat pump from the INVERBOOST CLASSIC range, R290 refrigerant. 16.18 kW heating at A7/W35 with a COP of 4.56. Inverter compressor, three-phase. Operates to -30 C ambient, ErP class A+++. Also sold as ALSAVO HEAT 16i9T.

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Data is compiled from manufacturer sources and may contain errors or gaps. Always confirm specifications with the manufacturer before making decisions.