Zodiac Heat Line 70 Plus heat exchanger, 70 kW – W49KT70
Zodiac Heat Line 70 Plus heat exchanger, 70 kW – W49KT70 subject to supplier availability.
Estimated delivery time: 3 to 7 business days
Description
Description
Zodiac Heat Line 70 Equipped (Plus) – W49KT70
The Zodiac Heat Line W49KT70 is the Heat Line 70 Equipped (Plus) model, designed to heat pool water using a primary heating circuit.
It includes titanium tubes, digital control and a class A low-consumption circulation pump. Its output reaches 70 kW when the primary circuit operates at 90 °C.
Main features
- Model: Heat Line 70.
- Configuration: Equipped (Plus).
- Control: digital.
- Circulation pump: included, class A.
- Heat exchanger: titanium tubes.
- Injected Noryl/Polyamide casing.
- Non-return valve.
- Reversible interface to adapt the installation.
Performance and technical data
| Reference | W49KT70 |
|---|---|
| Model | Heat Line 70 Equipped (Plus) |
| Output with primary circuit at 90 °C | 70 kW |
| Output with primary circuit at 60 °C | 30 kW |
| Output with primary circuit at 45 °C | 14 kW |
| Maximum pressure | 2 bar |
| Maximum temperature | 90 °C |
| Heating primary circuit connection | Ø26/34 F / Ø26/34 M |
| Pool connection | PVC Ø63 or Ø50 |
| Primary circuit flow rate | 3 m³/h |
| Pool flow rate | 20 m³/h |
| Primary circuit pressure drop | 300 mmCE |
| Pool pressure drop | 1000 mmCE |
| Weight | 12 kg |
Zodiac Heat Line range
The Heat Line range is available in models 20, 40 and 70, each with three configurations: Basic, without recirculation pump and Equipped (Plus).
Zodiac Heat Line dimensions
The diagram shows the dimensions and connections of the different configurations in the Zodiac Heat Line range. Reference W49KT70 corresponds to the Heat Line 70 Equipped (Plus).

Installation and heating systems
The Heat Line is installed in a horizontal position, in line with the pipework and at the outlet of the filtration system. The primary-circuit supply must come from above.
The flows in the primary and secondary circuits can be reversed by turning the heat exchanger. It can work with a boiler, heat pump, geothermal energy, or solar energy, always with a suitable primary-circuit configuration.
Frequently asked questions
Which version corresponds to W49KT70?
It is the Heat Line 70 Equipped (Plus), with digital control and an included circulation pump.
What output does it offer?
It delivers 70 kW with the primary circuit at 90 °C, 30 kW at 60 °C, and 14 kW at 45 °C.
Does it include a circulation pump?
Yes. W49KT70 includes an energy-efficient class A circulation pump.
Is the heat exchanger made of titanium?
Yes. The Heat Line uses titanium tubes.
