SP4 Series

The Rinnai SP4 Series boasts up to an impressive 4.8 Star energy efficiency rating, making it the highest rated 4 Star Ducted Gas Heater available.

Due to its flexible installation options (universal indoor or outdoor) the SP4 series is perfect for upgrading your old Ducted Gas Heater.

It is an ideal all-round gas heater that’s affordable, incredibly efficient and compact. Rinnai SP4 series is also ZonePlus™ and DualComfort™ compatible.


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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