Description
Description
Raypak Spartan 131 Residential Spa Heater (Natural Gas) – 24kW / 120MJ.
No Longer Sold - Replace with HX 120 here.
Archived Info Below:
The Raypak Spartan 131 is a purpose-built residential spa heater designed to heat spa water directly through the heater. It uses capron headers and a powder-coated cabinet for durable outdoor installation.
Key specs
- Gas type: Natural Gas
- Gas input: 120 MJ/h
- Heat output: ~24 kW
- Installation: Outdoor / External only
- Control system: On / Off
- Max thermostat setting: 40°C
Why choose the Spartan 131?
- Fast heat-up for residential spas with a solid 24kW output.
- Simple, reliable operation (straightforward On/Off control).
- Built for Australian outdoor conditions with a powder-coated cabinet.
Important notes before you buy
- Outdoor installation only.
- No flue approved / no indoor flue option. If you need an indoor/flued appliance, this model is not suitable.
- Single-try ignition (new units): If it doesn’t light on the first attempt (this can happen on gas appliances), the heater must be manually reset.
- Licensed gas fitter required. Install must comply with relevant standards (incl. AS/NZS5601.1:2013).
Minimum installation clearances (mm)
| Clearance | Non-combustible | Combustible |
|---|---|---|
| Rear (water side) | 300 | 500 |
| Left side | 300 | 500 |
| Right side | 300 | 500 |
| Front | 750 | 750 |
| Above | 1200 | 1200 |
For other installation requirements, refer to AS/NZS5601.1:2013.
Plumbing, gas & electrical
- Water connections: 40mm
- Flow rate range: 1.5 to 6.9 L/sec
- Gas connection: 20mm (male iron)
- Natural Gas supply pressure: 0.77 to 3.5 kPa
- Natural Gas test point pressure: 0.85 kPa
- Electrical: 240V AC, 50Hz
Dimensions & weight
- Approx. dimensions: 865(H) x 408(W) x 606(D) mm
- Approx. weight: 35 kg
- Rear plumbing port spacing: 135 mm (inlet to outlet)
Warranty (residential)
- 3 years parts
- 1 year labour
Need help confirming suitability? Send us your spa details (make/model, pipe size, and a photo of the install location) and we’ll guide you.





