“I highly recommend Millen Homes for bathroom supplies in Brisbane. The service was fantastic and the products are excellent quality. I’ll definitely be back for my next bathroom project!”
Heat Pump
- Elevate your bathroom aesthetic with clean, modern finishes
- Simple installation — DIY-friendly or professional setup
- Easy to clean surfaces reduce soap scum, stains, and wear
- Built to last with durable construction and materials
30-Day Returns
Hassle-free returns with quick processing
Fast Shipping
Orders dispatched within 1–2 business days
Free Delivery
Available on all orders over $999 in Brisbane
Quality Guarantee
Backed by our full product warranty
High-Efficiency | Low-Noise | R290 Refrigerant
Our Heat Pump is a high-performance 170/235-litre heat pump water heater, designed for energy-conscious households and small commercial applications. Utilising advanced heat pump technology and eco-friendly R290 refrigerant, this unit offers reliable hot water delivery with exceptional energy efficiency, even in cold climates. Its compact footprint, quiet operation, and intelligent features make it a modern alternative to traditional electric storage systems.
170L Model
Specifications:
- Model: RSJ-15/190RDN7-L2
- Storage Volume: 170 Litres
- Refrigerant Type / Quantity: R290 / 0.29 kg
- Heating Capacity (Heat Pump Only): 1.8 kW
- Coefficient of Performance (COP): 4.2
- Power Supply: 1 Phase / 220–240V / 50Hz
- Max. Current Draw: 8.5 A
- Sound Pressure Level: 47 dB(A)
- Air Flow Rate: 150 L/s
- Water Temperature (Factory Default): 60°C
- Temperature Range (Adjustable): 55°C – 70°C
Dimensions & Weights:
- Unit Dimensions (D × H): 552 × 1692 mm
- Net / Gross Weight: 95.5 kg / 119 kg
235L Model
Specifications:
- Model: RSJ-V28/235RDN7-L2
- Storage Volume: 235 Litres
- Refrigerant Type / Quantity: R290 / 0.29 kg
- Heating Capacity (Heat Pump Only): 2.8 kW
- Coefficient of Performance (COP): 4.8
- Power Supply: 1 Phase / 220–240V / 50Hz
- Max. Current Draw: 9A
- Sound Pressure Level: 45 dB(A)
- Air Flow Rate: 222 L/s
- Water Temperature (Factory Default): 60°C
- Temperature Range (Adjustable): 55°C – 70°C
Dimensions & Weights:
- Unit Dimensions (D × H): 650 × 1730 mm
- Net / Gross Weight: 125 kg / 154.5 kg
Both 170L & 235L
Operating Conditions:
- Heat Pump Only Mode: -7°C to 43°C
- With Electric Heater Backup: -20°C to 47°CConnections:
- Water Inlet / Outlet: DN20
- Drain Pipe: DN20
- PT Valve Joint: DN15
- Maximum Water Pressure: 850 kPa
Connections:
- Water Inlet / Outlet: DN20
- Drain Pipe: DN20
- PT Valve Joint: DN15
- Maximum Water Pressure: 850 kPa
Key Features:
- Eligible for Queensland’s Energy Efficient Appliance Rebate
- Uses R290 natural refrigerant with low GWP
- Wide ambient temperature range down to -20°C
- Built-in frost protection for winter reliability
- Automatic and manual disinfection for water hygiene
- Easy-access E-Box for service and maintenance
- Error code display for troubleshooting
- Power outage memory to retain settings
- Low operating noise – suitable for residential areas
- Solar PV compatible and Wi-Fi enabled (optional)
Warranty:
- 5 Years on Tank Cylinder (including 3 years labour)
- 3 Years on Compressor (including 1 year labour)
- 1 Year on Electronics, Parts & Labour
Manuals and Documents:
Heat Pump Brochure and Specs 1
Heat Pump Brochure and Specs 2
Other Documents:
Similar Products
The Millen Homes Difference
Brisbane's trusted bathroom and kitchen specialists.
Brisbane Showroom
See over 100 products in person at our Archerfield showroom before you commit. Touch the finishes, test the weight, compare side-by-side — because bathrooms are too expensive to guess.
Price Match Promise
Found the same product cheaper elsewhere? We'll match it — no questions, no hoops. We'd rather earn your business honestly than lose it to a spreadsheet.
Free Design Consultation
Every order includes a free consultation with one of our bathroom designers. Get a layout plan, finish recommendations, and a full product list — at no cost.
