LG THERMA V R32 Split (Hydro Box)

Specifications and technical data

Also known as: HU141MRB U30, HU141MRB U30 / HN1600MB NK0, HU141MRB U30 / HN1600MC NK1

✓ BUS eligibleAir Source (ASHP)ResidentialR3214 kW

Manufacturer	LG
Model	THERMA V R32 Split (Hydro Box)
Model code	HU141MRB.U30
Heat pump type	Air Source (ASHP) All Air Source heat pumps →
Application	Residential All Residential heat pumps →
Refrigerant	R32 All R32 heat pumps →
Mode	Heating & cooling
Heating capacity	14 kW
Max heating output (low temp)	12 kW at A2/W35
COP (heating)	4.89 at A7/W35
SCOP (heating)	4.57 at W35
Operating range (air)	-25 to 35 °C
Heating flow temperature	15–65 °C
Electrical supply	220-240V (Single Phase)
Dimensions (H×W×D)	1380 × 950 × 330 mm
Operational Weight	91.7 kg
Sound power level	62 dB(A) (Sound Power LW(A))
Data added	2026-09-24
Data source	Manufacturer specification page (LG UK)
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.	KIWA 00033/024 HP
MCS certification	✓ MCS listed
MCS certificate no.	KIWA 00033/024 HP; KIWA 00033/051 HP

Free data sheet (PDF) →

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

View manufacturer page →

LG THERMA V HU141MRB.U30, the 14 kW single-phase R32 split outdoor unit, paired indoors with an HN1600 hydro box. 14.0 kW at A7/W35 with a COP of 4.89 and SCOP 4.57 at W35 (A+++), 3.47 at W55 (A++). Flow to 65 C, operates down to -25 C. Single-phase.

Where to buy (UK)

UK Supplier	The Heat Pump Warehouse
UK Supplier	CoolEasy

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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.