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Made byTCL

Technical specification · September 2026

ENTH-250

250 litre integral heat pump water heater on natural R290 refrigerant. TCL KZd40-RS25WF-T3

2,022 mm
600 × 625 mm footprint

A hot water cylinder with its own heat pump built in. The heat pump on top draws heat from the air and moves it into the stored water, with a 250 litre enamelled steel tank and a 1,600 W element as back-up.

250 LStated capacity
3.50COP, EN 16147, 7°C air, load profile XL
70°CHeat pump alone; 75°C with element
1,154 kWhAnnual electricity, load profile XL

Capacity and performance

Stated capacity250 L
Coefficient of performanceCOP, EN 16147, 7°C air, load profile XL3.50
Water heating energy efficiencyLoad profile XL145%
Annual electricity consumptionLoad profile XL1,154 kWh
Heat-up time, heat pump only10 to 50°C, 15°C air7.2 h
Maximum water temperature70°C, or 75°C with element
Operating range−7 to +43°C heat pump; −25 to +43°C with element

Refrigerant

RefrigerantR290, 150 g
Global warming potential (GWP)3
Design pressure3.2 / 1.1 MPa
CompressorRotary, DC inverter

Electrical

Power supply220–240 V, 1 ph, 50 Hz
Maximum heat pump power input850 W
Back-up electric element1,600 W
Maximum power input2,450 W
Sound power / pressure53 dB(A) / 41 dB at 1 m

Tank and connections

TankEnamelled steel
Corrosion protectionMagnesium anode; electronic anode optional
Rated pressure0.85 MPa
Water inlet, outlet and drainG 3/4"

Size and weight

Net dimensions, W × D × H600 × 625 × 2,022 mm
Packed dimensions, W × D × H690 × 690 × 2,180 mm
Net / gross weight106 / 125 kg

Controls and connectivity

ConnectivityWiFi, TCL Home app, over-the-air updates
InterfacesSG-Ready, Modbus
FunctionsHoliday mode, timed heating, disinfection cycle at 70°C

Approvals, cover and identification

MCSListing in progress
Cover included24 months, whole appliance, parts and labour
ManufacturerTCL
TCL model codeKZd40-RS25WF-T3