Calitec NZ KP-50 Refrigerant Split System 300L + Wetback Coil

Review

Performance & efficiency:

Calitec designs it’s own product range for New Zealand’s unique challenges and offers the longest warranties available on the New Zealand market to reflect their confidence in the quality and durability of their products. COP of 4.0 at 15°C is honestly rated for North Island conditions and competitive for a split system using R32. The 20-year tank warranty matches the WH-70 and remains the strongest in the NZ market.

Features:

The Calitec KP-50 range offers the most configuration flexibility of any heat pump water heater in our database.

• The base system: is a refrigerant-cycling split: the outdoor unit contains the heat pump and the heat exchanger coil is built directly into the Calitec cylinder, eliminating the need for a water-to-refrigerant heat exchanger.
• Cylinder placement & pipe run: The cylinder can be placed indoors or outdoors (up to 20m pipe run), and the 300L Outdoor variant allows both units fully outside — useful when internal space is limited.
• Wetback: The 300L + Wetback and 400L + Wetback & Hydronic variants accept input from a wood fire or wet-back system, making this the only NZ heat pump water heater that can integrate with both solar PV and solid fuel heating.

Supply & service support:

Calitec is a locally owned, Whangarei-based, and NZ-focused hot water heat pump product designer and supplier, distributing nationwide with free delivery across the North Island and depot pickup available for the South Island and rural customers.

Installation runs through Calitec's own network of experienced installers, or choose your own licensed plumber. Products are backed by a 5-year warranty on the mono block unit and a standout 20-year warranty on Calitec cylinders, with ongoing support via phone, email and online technical resources.