SP4 Series Gas Ducted Heating System

Compact and affordable, the Rinnai SP4 Series Ducted Gas Heating System boasts an impressive 4.8 star energy efficiency rating - the highest rated 4 star ducted gas heater in the market.

With flexible universal indoor/outdoor applications available, it is perfect for new home installations or ducted gas heater replacements.

The SP4 Series is compatible with a host of add-on features including ZonePlus™, DualComfort™ and Rinnai Touch Wi-Fi, giving you full customisation and control of your home heating system. Enjoy the comforts of gas ducted heating and cooling all year long, with the Brivis ICE™ add on feature.


4 star range

Range of sizes available

Exceptional performance

  • Outstanding efficiency up to 4.8 Stars
  • ZonePlus™ compatible
  • Universal internal/external unit
  • Lay down kit (Internal – SP415/SP421)
  • Economical to run
  • Five year parts and labour warranty
  • Brivis ICE™ compatible


Rinnai Gas Ducted Heater Star Rating Capacity (kW) Airflow (L/s) @ 100Pa ESP Dimensions

(L x W x H)

Net Weight (kg)
RSP415 4.1 15 555 845 x 397 x 625 65
RSP421 4.8 21 555 845 x 397 x 625 65
RSP430 4.2 30 953 923 x 549 x 644 84
RSP435 4.3 35 1041 923 x 549 x 644 84

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