WNZ 2in1 Heat Pump Cylinder – Setup & Warranty Guide

Efficient. Reliable. Smart Control – Designed for Kiwi homes.

1. Getting Started

The WNZ 2in1 Heat Pump Cylinder combines innovative heating efficiency with smart home convenience.

Before you begin, ensure all electrical and water connections are properly completed by a qualified tradesperson.

Please note that since 2026, we have 2 types of models. Please refer to the correct model you are using, as settings are quite different.

Models from Late 2025 onward


Models Before Mid‑2025

Q:How to Set Up the Hot Water Cylinder and the App After Installation?

A: For installers and homeowners, please see the guidance below:

For Installers (or Owners not using the Phone App)

1. Once installation is complete and connections are secure, switch on the unit.

2. Follow the temperature setup guide by watching this short video:

This video walks you through the temperature control setup directly from the on-unit control panel.

For Homeowners Using the 2in1 Smartphone App

Once your home Wi-Fi is available, you can control your 2-in-1 system directly from your smartphone.

1. Download and follow the setup steps in the guide: 2in1 APP Setup.pdf

2. Connect the app to your heat pump cylinder using Wi-Fi by following 2in1 WIFI Setting Up Guide.pdf

These two guides will help you link the control panel on your unit to your phone for easy temperature control anytime, anywhere.

For Warmth Team / Agents

Some early models may require minor factory setting adjustments.

Please review and confirm original factory parameters using:

2in1 Initial Factory Setup Guide.pdf

• Watch factory setup video

2. What are the Warranty and Support from us?

Your 2in1 Heat Pump Cylinder is backed by a 7-year warranty, giving you confidence and peace of mind.

  • Cylinder: 7 years

  • Heat Pump: 5 years

  • Electrical Element: 1 year

  • Sacrificial Anode: Not covered

Delivery & Installation Information

Customers can pick it up from our Sockburn Warehouse.

Or please contact us by emailing admin@warmth.nz to check your shipping cost if delivery is required.

If you require installation or on-site setup, our service rates are:

$150 + GST for the first hour

$110 + GST per hour thereafter

• Travel charges may apply outside Christchurch.

3. What Are The Maintenance and Owner Responsibilities

To keep your system running efficiently:

• Regularly check and replace the sacrificial anode when required.

• Keep the system in good working condition.

• Contact our office to learn more about our regular maintenance services.

Warranty Exclusions

The warranty does not cover:

• Incorrect installation, improper operation, or unauthorised modifications

• Power surges, lightning strikes, or unstable power supply

• Corrosion or freezing due to poor water quality or lack of maintenance

• Labour, transport, or service call-out costs for inspection or repair

• Normal wear and tear (e.g., anodes, filters, fuses)

4. Need Help?

If you have questions or require assistance:

Call our team on 0800 477 778 to book support or maintenance. We’re happy to help ensure your home stays warm and energy-efficient all year round.