Rinnai INFINITY HD250 External

Rinnai INFINITY HD250 External


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Rinnai INFINITY HD250 External

The Rinnai INFINITY HD250 external gas hot water (gas califont) unit is fixed to the exterior of your building. It provides 32 litres of hot water and is ideal for both commercial and residential users who need higher flow rates or who have large water use requirements. Temperatures can be set up to 95°C in commercial installations.

Suitable for

  • Commercial and domestic external application
  • Applications requiring higher hot water temperatures, can be set up to 95 °C
  • Mains and low pressure systems
  • Solar installations as a gas boost
  • Hard or acidic water will need to be treated in order to use this product

Gas type
Available for Natural Gas or LPG, specify gas type at time of purchase.

Hot water capacity
2.4 to 37 litres per minute

Temperature controlled continuous flow gas hot water system for external applications. Factory preset to 55 °C.

Technical Statement

Operation Guide

Installation Guide




Gas Type


Shipping times vary for different products please see the list below for estimated shipping timeframes.

Product Shipping Times
Accessories 2-3 days
Basins 5-7 days
Baths 3-5 days
Showers 5-7 days
Toilet 5-7 days
Vanities (excluding Brighton range) Vanities are custom made and have a lead time of 2 weeks. A delivery date will be emailed on receipt of your order.
Vanities (Brighton range) 5-7 days
Heat Pumps 5-7 days
Gas Fires 3-5 days
Installation Accessories 2-3 days
Laundry 3-5 days
Pumps 3-5 days
Tapware 3-6 days
Water Filters 3-5 days
Water Heating Products 3-5 days

View our returns policy