Rating 5.8

Capella 18Plus Convector

A shining star in portable gas convectors

Named after the brightest star in the constellation of Auriga, the Capella 18Plus Convector shines brightly.  Enjoy radiant warmth in large open-space living areas with an impressive electric element that can pump out an extra 2kw of heat.

Escape the winter chills with a thermostatic control that turns itself off when your desired temperature is reached, and fires up again should it suddenly get cold. The Capella 18Plus Convector comes complete with a simple control panel and included remote control, so you can get warmth in an instant. Avoid bill shock thanks to its low emission technology and economy mode.

With four programmable timers (morning/evening and weekday/weekend) you’ll feel total comfort in the home with the portable Capella 18Plus Convector.  All you need is an appropriate gas connection point.

Ideal for large living areas

Convenient remote control operation

Easy to use control panel with advanced functions

  • Sleek contemporary design to suit any home
  • 2kW Electric Boost on Avenger ‘Plus’ and Capella ‘Plus’ models
  • Adjustable Temperature Setting – ‘Plus’ models also with Auto Off
  • Easy to use control panel with advanced functions
  • Remote Control featuring On/Off/Temperature Setting (except Enduro 13)
  • Economy mode - saving gas and money!
  • Low emissions technology – the more stars the better
  • Compatible with LPG & Natural Gas

The product information on this website (comprising product brochures, warranty information, installation manuals, diagrams, specifications and representations) relates to current products. This information may be different for superseded products. For superseded products please contact Rinnai to confirm product information.


Dimensions (mm) : Height


Dimensions (mm) : Width


Dimensions (mm) : Depth



White or Platinum Silver

Gas Input MJ/h Low


Gas Input MJ/h High


kW Output


Heats upto Capacity (m2) : Very Cold


Heats upto Capacity (m2) : Cold


Heats upto Capacity (m2) : Cool


Heats upto Capacity (m2) : Mild


AS4553 Efficiency Star Rating


AS4553 Emissions Star Rating NG & LPG


Thermostatic or Manual Control


Dual Weekday & Weekend Timers


Preheat Feature


Economy Mode


Auto Off Mode


Override Button


Child Lock or Lock Button


Gas Type



  • Where can I find prices for Rinnai’s heaters?

    Where can I find prices for Rinnai’s heaters?

    Simply ring your closest store listed on our store locator to enquire.

  • What heater would suit my needs?

    What heater would suit my needs?

    You can use Rinnai’s heater selector tool listed on our website to help you in your selection.

  • What’s the difference between portable gas heaters and flued space heaters?

    What’s the difference between portable gas heaters and flued space heaters?

    Portable gas heaters range from from simple, robust radiants, to the super-economical, technologically advanced convectors. They require no installation and can be stored away when not in use. Flued space heaters comprise of Energysavers®, gas flued heaters and gas log fires. They require a flue in the installation, are designed to be fitted into an existing fireplace (for gas flued heaters and gas log fires), and are an ideal way to warm living areas while creating an attractive feature for your home.

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