Discontinued Product, please contact 0800 RINNAI for more information

Discontinued Product, please contact 0800 RINNAI for more information

Rinnai Energysaver 403FT

Rinnai Energysaver 403FT


Spare parts and conversion are no longer available for this heater.
Information such as the operating and installation instructions, specification information, and servicing information (in some cases) is still available to help support existing installed models.

High efficiency power flued convection heater. Has a two-way intelligent timer operation, making it possible to preset starting time and temperatures for two different periods. The 403FT also has an economy mode button—designed to drop the set temperature by 1 °C, after the room has initially reached its set temperature. After another 30 minutes it reduces by a further 1 °C. This is an energy saving feature.

• electronic push button ignition
• humidifier tray is built into the warm air discharge duct
• filter signal lights up when filter requires cleaning


Suitable for
Domestic applications—open plan areas. 
Gas type
Available for Natural Gas or LPG. Gas type specified at time of purchase.

General clearances
The appliance must not be built-in.

Input: 7-17 MJ/h
Output: 14.5 MJ/h


Air Volume Minimum 3.5 m³/min
Maximum 4.6 m³/min
Combustion System Ceramic plaque burner: Air/gas premix
Connections 15 mm, ½ inch flare fitting
Convection Fan HI-low: 8 steps automatic control by PCB according to opening degree of the modulating valve
Gas Control Electronic solenoid and modulating control by PCB
Humidifier Tray Capacity 1100 ml, evapourating rate cold start 175 ml/h, hot start 205 ml/h
Ignition System Continuous spark
Indicators AM/PM, power, burner on, filter, timers, delay/Off, economy, digital time/temp., error codes
Noise Level 32-39 dB(A)
Operation Finger touch control switches
Power Consumption 45 W on low, 60 W on high
Timer Two on timers featuring programmable ON times. Automatic extinstion after one hour. Intelligent sensing program.
Safety Devices Flame failure, overheat switch, thermal fuse, power surge, reversed flame, power failure, fan delay, and pre-purge.
Weight 20 kg
Market Release 1986
Last Sold 1997
Obsolete Dec 2009


All dimensions are in mm.

Ducted Gas Heating Service Centre

Ducted Gas Heating Service Centre
Operating 5 days a week, 8am to 5pm, Monday to Friday our New Zealand based customer service centre provides nothing but top quality. If you need to book in a Ducted Gas Heating service, we have a team of providers fully trained and equipped with diagnostic tools to service your appliance when you need them. 

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