Bosch Compress 7400i AW (1.5–7.6 kW)

Specifications and technical data

Also known as: CS7400iAW 5 OR-S

✓ BUS eligibleAir Source (ASHP)ResidentialR410A1.5–7.6 kW

Manufacturer	Bosch
Model	Compress 7400i AW
Model code	CS7400iAW 5 ORE
Heat pump type	Air Source (ASHP) All Air Source heat pumps →
Application	Residential All Residential heat pumps →
Refrigerant	R410A All R410A heat pumps →
Mode	Heating & cooling
Heating capacity	1.5–7.6 kW
Max heating output (low temp)	4.76 kW at A-10/W35
COP (heating)	5.01 at A7/W35
SCOP (heating)	4.99 at W35
Operating range (air)	-20 to 35 °C
Heating flow temperature	up to 62 °C
Electrical supply	220-240V (Single Phase)
Cooling capacity	4.44 kW
Max cooling output (high temp)	4.44 kW at A35/W7
EER (cooling)	2.42 at A35/W7
Dimensions (H×W×D)	1380 × 940 × 600 mm
Operational Weight	113 kg
Sound power level	50 dB(A) (Sound Power LW(A))
Data added	2026-10-20
Data source	Bosch Compress 7400i AW outdoor unit installation manual 6721840487 (2021/10) + Worcester Bosch 7400 tech data sheet
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.	011-1W0123_02
MCS certification	✓ MCS listed
MCS certificate no.	011-1W0123_02

Free data sheet (PDF) →

Check noise at a neighbour’s window (MCS 020 a) →

Bosch Compress 7400i AW 5 kW R410A inverter air-to-water monobloc outdoor unit with AWE 5-9 wall-hung indoor unit, flow up to 62 °C, heating and cooling, single-phase.

Where to buy (UK)

UK Supplier	City Plumbing
UK Supplier	BHL
UK Supplier	Eco Wizard
UK Supplier	Plumbing Superstore
UK Supplier	Mr Central Heating

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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.