VT 3150/51 ECO (310 L)


The heat pump exploits the energy of the air to heat the domestic water and is able to cover the annual consumption for a family of 4-6 persons. It has a tank capacity of 310 liters and can produce up to approx. 1100 liters of hot water per 24 hours. The heat pump is energy saving and makes it possible to save more than 70 % of the expenses for hot water. Optional of choosing a front flange for easy access into the container.

Dimensions: H: 1640mm Ø:707mm
Weight: 126 kg
Voltage/Frequency: 230 V / 50 Hz Phase-Neutral-Earth
Heat pump input: 573 Watt
Heat pump output: 2150 Watt
High supplementary heating: 2000 Watt / 230 V
Total power input: 2573 Watt / 230 V
Safety with high supplementary heating: Minimum 13 A
Thermostat for supplementary heating: Set at 65° C. Controlled via the display
Refrigerant: See nameplate
Air volume: Min. / Max. 200 / 300 m3/h
Air temperature: VT3150 ECO / VT3151 ECO Min. -10°C to Max. +35°C
Boiler: VT3150 ECO Enamelled, 310 Liter
Boiler: VT3151 ECO Enamelled, 291 Liter
Working pressure: Max 1MPa / 10 bar
Anode: Magnesium - 5/4" RG
Water temperature: Adjustable - Max. 62°C
Water capacity: 1100 L / 24 h
Standby power at 20°C air temperature and 55°C water temperature – measured according to EN16147:2011 30 Watt / 24 h
Water connections:  
Cold water: 1" RG
Hot water: 1" RG
Defrost water: 1/2" RG
Heat exchanger: 1" RG
Circulation: 1" RG
Heat exchanger, heat surface: VT3151 ECO 1,00m2
Electronic: Yes
Air, inlet / outlet: Top / Top
Ducting: Ø160 mm
Legionella function: Yes


Model VT3150 ECO VT3151 ECO
-10°/35° x x
Electronic controller x x
Air top (inlet + outlet) x x
No heat exchanger x  
1 heat exchanger (1m2)   x
Heating element 2000 Watt x x
Ducting ø160mm x x
Legionella function x x
Solar function x x
Holiday function x x
Boost function x x
Anode (magnesium) x x
Signal anode (optional) x x
Timer function (optional) x x
Flange, bottom (none) x x
Flange, front (optional) x x

Vesttherm is a Danish owned OEM / privat label manufacturer of hot water heat pumps. For more than 30 years, we have produced high quality products throughout Europe.

We are known for our high quality, our high flexibility and our ability to produce customized solutions.

Vesttherms product range includes many different consumer solutions tailored to our customer's needs.

All of Vesttherms employees work with great effort on quality, product development and design. This greatly helps to strenghen our competitiveness

Contact information

Øresundsvej 10
DK-6715 Esbjerg N
Phone +45 75 14 02 44
VAT: 26993601