MasterTherm AquaMaster Inverter Combi P

Specifications and technical data

Also known as: AQ17ICP-111L, AQ17ICP-111R

✓ BUS eligibleGround Source (GSHP)ResidentialR2901–5.23 kW

Manufacturer	MasterTherm
Model	AquaMaster Inverter Combi P
Model code	AQ17ICP
Heat pump type	Ground Source (GSHP) All Ground Source heat pumps →
Application	Residential All Residential heat pumps →
Refrigerant	R290 All R290 heat pumps →
Mode	Heating only
Heating capacity	1–5.23 kW
Max heating output (low temp)	4.72 kW at B0/W55
COP (heating)	4.29 at B0/W35
SCOP (heating)	4.87 at W35
Heating flow temperature	up to 75 °C
Electrical supply	220-240V (Single Phase)
Dimensions (H×W×D)	1919 × 540 × 546 mm
Operational Weight	105 kg
Data added	2026-09-24
Data source	Manufacturer documentation (MasterTherm)
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.	037-0198-25-1
MCS certification	✓ MCS listed
MCS certificate no.	037-0198-25-1

Free data sheet (PDF) →

MasterTherm AquaMaster Inverter Combi P AQ17ICP, compact brine-to-water ground source heat pump with an integrated 150 litre stainless hot water cylinder, R290 refrigerant, inverter compressor. 1 to 5 kW; 3.87 kW at B0/W35 with a COP of 4.29, SCOP 4.87 at W35 (A+++). Heating flow to 75 C, hot water to 65 C. Single-phase.

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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.