Zodiac Heat Line 70 Basic heat exchanger, 70 kW – W49NT70
Zodiac Heat Line 70 Basic heat exchanger, 70 kW – W49NT70 subject to supplier availability.
Preparation time 3 - 5 days
Description
Description
Zodiac Heat Line 70 Basic – W49NT70
The Zodiac Heat Line W49NT70 is the Heat Line 70 Basic model, designed to transfer heat from a heating system to the pool water.
Its heat exchanger includes titanium tubes and delivers up to 70 kW of power when the primary circuit operates at 90 °C.
Key features
- Model: Heat Line 70.
- Configuration: Basic.
- Heat exchanger: titanium tubes.
- Injected Noryl/Polyamide housing.
- Check valve.
- Reversible interface to adapt the installation.
- Compatible with various domestic heating systems.
Performance and technical data
| Reference | W49NT70 |
|---|---|
| Model | Heat Line 70 Basic |
| Power with primary at 90 °C | 70 kW |
| Power with primary at 60 °C | 30 kW |
| Power with primary at 45 °C | 14 kW |
| Maximum pressure | 2 bar |
| Maximum temperature | 90 °C |
| Heating primary connection | Ø26/34 F / Ø26/34 M |
| Pool connection | PVC Ø63 or Ø50 |
| Primary flow rate | 3 m³/h |
| Pool flow rate | 20 m³/h |
| Primary pressure drop | 300 mmWC |
| Pool pressure drop | 1000 mmWC |
| Weight | 4 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 W49NT70 corresponds to the Heat Line 70 Basic.

Installation and heating systems
The Heat Line is installed horizontally, in line with the piping and at the outlet of the filtration system. The primary-circuit supply must come from above.
The primary and secondary circuit flows can be reversed by rotating 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 W49NT70?
It is the Heat Line 70 Basic from the Zodiac range.
What output does it provide?
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?
No. W49NT70 corresponds to the basic configuration.
Does the heat exchanger use titanium?
Yes. The Heat Line uses titanium tubes for heat exchange.
