Solutions built to your specification

Free expert consultations

Designed and manufactured in Europe

Connecting you with the right dealer

Home
Products
Swimming pool heat pumps
Calorex V-PAC 12-16-22 – inverter swimming pool heat pumps

Calorex V-PAC 12-16-22 – inverter swimming pool heat pumps

Top outlet swimming pool heat pumps

Calorex V-PAC 12-16-22 – inverter swimming pool heat pumps

Calorex I PAC V PAC installation animation

Calorex V PAC 12 – inverter swimming pool heat pumps

Calorex inverter temperature control graph

Inverter technology allows for efficient control of the pool temperature, and the V-PAC only uses what energy is needed when it is required. High efficiency with modulating step-less inverter compressor giving an average COP of >8.7.

View our range of swimming pool heat pumps today and find large pool heat pumps and small pool heat pumps suitable for all domestic and commercial purposes on any scale.

Open printer-friendly page

Interested?

Key features

Average COP >8.7 = 2 x more efficient than on/off heat pumps
Eco-friendly refrigerant R32 = 675 GWP, (Global Warming Potential)
Inverter heat pump
Power ratings from 14 to 24kW
9-11 dB(A) sound reduction compared to an equivalent on/off heat pump, with ‘Whisper Mode’
Ideal for confined spaces

Operates in air temperatures of -5°C to +43°C
Integrated controller with a touchscreen user interface
Function settings for heating, cooling or heat/cool
Soft start-up
ABS cabinet

New refrigerant gas

Has a low GWP (675)
Zero ozone depleting potential (ODP)
Is F-gas phase-down compliant

Requires less refrigerant volume per kW
Is easier to reuse and recycle

Product specifications

Select model:
V-PAC 12ALX
V-PAC 16ALX
V-PAC 22ALX

Specifications	Units	V-PAC 12ALX
Air temperature range	°C	-5-43
Water temperature range	°C	8-40
Performance – air 27°C 80% RH, water 27°C
Heating capacity	kW	14.1
COP range		13.5-6.28
Average COP at 50% speed		9.7
Performance – air 15°C 70% RH, water 26°C
Heating capacity	kW	10.6
COP range		8.5-5.11
Average COP at 50% speed		6.5
Performance – air 5°C 70% RH, water 10°C
Heating capacity	kW	6.6
Performance – air 35°C 80% RH, water 28°C
Cooling capacity	kW	6.0
Power supply	V/Hz	230/1ph/50
Rated input power	kW	0.20-2.24
Maximum input current	A	12.5
Water flow	m³/h	5.0
Water connection	"/mm	1½/50
Compressor		Inverter
Condenser		Titanium
R32 gas weight/CO₂ equivalent	kg/t	0.8/0.54
Sound level @ 10m	dB(A)	<29
Product size (w x d x h)	mm	650 x 650 x 835
Weight	kg	70
Included in the box		Rubber feet, drainage pipe, water union

Air temperature range

-5-43

°C

Water temperature range

8-40

°C

Performance – air 27°C 80% RH, water 27°C

Heating capacity

14.1

COP range

13.5-6.28

Average COP at 50% speed

9.7

Performance – air 15°C 70% RH, water 26°C

Heating capacity

10.6

COP range

8.5-5.11

Average COP at 50% speed

6.5

Performance – air 5°C 70% RH, water 10°C

Heating capacity

6.6

Performance – air 35°C 80% RH, water 28°C

Cooling capacity

6.0

Power supply

230/1ph/50

V/Hz

Rated input power

0.20-2.24

Maximum input current

12.5

Water flow

5.0

m³/h

Water connection

1½/50

"/mm

Compressor

Inverter

Condenser

Titanium

R32 gas weight/CO₂ equivalent

0.8/0.54

kg/t

Sound level @ 10m

<29

dB(A)

Product size (w x d x h)

650 x 650 x 835

Weight

Included in the box

Rubber feet, drainage pipe, water union

Specifications	Units	V-PAC 16ALX
Air temperature range	°C	-5-43
Water temperature range	°C	8-40
Performance – air 27°C 80% RH, water 27°C
Heating capacity	kW	18.5
COP range		13.5-6.03
Average COP at 50% speed		9.3
Performance – air 15°C 70% RH, water 26°C
Heating capacity	kW	13.6
COP range		8.4-5.02
Average COP at 50% speed		6.4
Performance – air 5°C 70% RH, water 10°C
Heating capacity	kW	9.5
Performance – air 35°C 80% RH, water 28°C
Cooling capacity	kW	7.5
Power supply	V/Hz	230/1ph/50
Rated input power	kW	0.23-3.06
Maximum input current	A	15.5
Water flow	m³/h	6.5
Water connection	"/mm	1½/50
Compressor		Inverter
Condenser		Titanium
R32 gas weight/CO₂ equivalent	kg/t	0.8/0.54
Sound level @ 10m	dB(A)	<30
Product size (w x d x h)	mm	650 x 650 x 835
Weight	kg	80
Included in the box		Rubber feet, drainage pipe, water union

Air temperature range

-5-43

°C

Water temperature range

8-40

°C

Performance – air 27°C 80% RH, water 27°C

Heating capacity

18.5

COP range

13.5-6.03

Average COP at 50% speed

9.3

Performance – air 15°C 70% RH, water 26°C

Heating capacity

13.6

COP range

8.4-5.02

Average COP at 50% speed

6.4

Performance – air 5°C 70% RH, water 10°C

Heating capacity

9.5

Performance – air 35°C 80% RH, water 28°C

Cooling capacity

7.5

Power supply

230/1ph/50

V/Hz

Rated input power

0.23-3.06

Maximum input current

15.5

Water flow

6.5

m³/h

Water connection

1½/50

"/mm

Compressor

Inverter

Condenser

Titanium

R32 gas weight/CO₂ equivalent

0.8/0.54

kg/t

Sound level @ 10m

<30

dB(A)

Product size (w x d x h)

650 x 650 x 835

Weight

Included in the box

Rubber feet, drainage pipe, water union

Specifications	Units	V-PAC 22ALX
Air temperature range	°C	-5-43
Water temperature range	°C	8-40
Performance – air 27°C 80% RH, water 27°C
Heating capacity	kW	24.4
COP range		13.5-5.14
Average COP at 50% speed		8.8
Performance – air 15°C 70% RH, water 26°C
Heating capacity	kW	17.8
COP range		6.2-4.14
Average COP at 50% speed		4.7
Performance – air 5°C 70% RH, water 10°C
Heating capacity	kW	13.9
Performance – air 35°C 80% RH, water 28°C
Cooling capacity	kW	10.9
Power supply	V/Hz	230/1ph/50
Rated input power	kW	0.75-4.75
Maximum input current	A	24.5
Water flow	m³/h	9.0
Water connection	"/mm	1½/50
Compressor		Inverter
Condenser		Titanium
R32 gas weight/CO₂ equivalent	kg/t	1.7/1.15
Sound level @ 10m	dB(A)	<30
Product size (w x d x h)	mm	745 x 752 x 967
Weight	kg	95
Included in the box		Rubber feet, drainage pipe, water union

Air temperature range

-5-43

°C

Water temperature range

8-40

°C

Performance – air 27°C 80% RH, water 27°C

Heating capacity

24.4

COP range

13.5-5.14

Average COP at 50% speed

8.8

Performance – air 15°C 70% RH, water 26°C

Heating capacity

17.8

COP range

6.2-4.14

Average COP at 50% speed

4.7

Performance – air 5°C 70% RH, water 10°C

Heating capacity

13.9

Performance – air 35°C 80% RH, water 28°C

Cooling capacity

10.9

Power supply

230/1ph/50

V/Hz

Rated input power

0.75-4.75

Maximum input current

24.5

Water flow

9.0

m³/h

Water connection

1½/50

"/mm

Compressor

Inverter

Condenser

Titanium

R32 gas weight/CO₂ equivalent

1.7/1.15

kg/t

Sound level @ 10m

<30

dB(A)

Product size (w x d x h)

745 x 752 x 967

Weight

Included in the box

Rubber feet, drainage pipe, water union

Suitable for

Leisure and recreation

Swimming pools

Useful downloads

Dantherm Group Catalogue – Professional Installed Solutions

Catalogues

Calorex V-PAC owner installation manual

Manuals

Looking to buy?

Get in touch and we will connect you with the right office or dealer.

Looking for spares?

The direct route to spare parts for your equipment.

Find spares

Looking for servicing?

Get service

Featured insights

Choosing the most sustainable heating solution for your outdoor pool

How to minimise the energy required to heat your swimming pool

Ian Furmidge 14 Apr 2021 - 9 min read

Swimming pool heat pump technology that heats or cools!

Providing the perfect temperature for your swimming pool

Ian Furmidge 4 Feb 2021 - 3 min read

Heat pumps: The ultimate solution for efficient outdoor pool heating

Heating an outdoor pool is an energy-consuming process. To keep costs and environmental impact to a minimum, an efficient, sustainable heating solution is essential. Discover how swimming pool heat pumps can unlock significant savings in our article.

Ian Furmidge 28 Jul 2023 - 7 min read

Enquire about this product

Complete your details below and the right person from our expert team will get back to you.
For service and spare parts enquiries please include serial number and product type in the Message field.

First name

Last name

Email address

Phone number

City/town

Country

Company/organisation

Industry

Department to contact

Message

I agree to the terms of the privacy policy. This site is protected by reCAPTCHA and the Google privacy policy and terms of service apply.

Calorex V-PAC 12-16-22 – inverter swimming pool heat pumps

Key features

New refrigerant gas

Product specifications

Select model:

Air temperature range

Water temperature range

Performance – air 27°C 80% RH, water 27°C

Heating capacity

COP range

Average COP at 50% speed

Performance – air 15°C 70% RH, water 26°C

Heating capacity

COP range

Average COP at 50% speed

Performance – air 5°C 70% RH, water 10°C

Heating capacity

Performance – air 35°C 80% RH, water 28°C

Cooling capacity

Power supply

Rated input power

Maximum input current

Water flow

Water connection

Compressor

Condenser

R32 gas weight/CO2 equivalent

Sound level @ 10m

Product size (w x d x h)

Weight

Included in the box

Air temperature range

Water temperature range

Performance – air 27°C 80% RH, water 27°C

Heating capacity

COP range

Average COP at 50% speed

Performance – air 15°C 70% RH, water 26°C

Heating capacity

COP range

Average COP at 50% speed

Performance – air 5°C 70% RH, water 10°C

Heating capacity

Performance – air 35°C 80% RH, water 28°C

Cooling capacity

Power supply

Rated input power

Maximum input current

Water flow

Water connection

Compressor

Condenser

R32 gas weight/CO2 equivalent

Sound level @ 10m

Product size (w x d x h)

Weight

Included in the box

Air temperature range

Water temperature range

Performance – air 27°C 80% RH, water 27°C

Heating capacity

COP range

Average COP at 50% speed

Performance – air 15°C 70% RH, water 26°C

Heating capacity

COP range

Average COP at 50% speed

Performance – air 5°C 70% RH, water 10°C

Heating capacity

Performance – air 35°C 80% RH, water 28°C

Cooling capacity

Power supply

Rated input power

Maximum input current

Water flow

Water connection

Compressor

Condenser

R32 gas weight/CO2 equivalent

Sound level @ 10m

R32 gas weight/CO₂ equivalent

R32 gas weight/CO₂ equivalent

R32 gas weight/CO₂ equivalent