The Rheem COMPACT Series 28 kW residential pool and spa heat pump is available in both single-phase and three-phase configurations to suit different site electrical requirements. Models RPH028-1A and RPH028-3A provide 27.8 kW nominal heating capacity with advanced inverter technology for efficient, quiet and consistent pool and spa heating.
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Features at a Glance
Capacity
Warranty*
The Rheem COMPACT Series is a high-performance residential pool and spa heat pump, designed to deliver perfect water temperatures 365 days a year. The 28 kW model is available in both single-phase and three-phase configurations, with RPH028-1A suitable for 240 V single-phase supply and RPH028-3A suitable for 415 V three-phase supply. Both models provide 27.8 kW nominal heating capacity.
Compact in size but big on features, it’s an energy-efficient alternative to traditional pool heating systems, making it ideal for homeowners who want reliable comfort with lower running costs. With its advanced inverter technology and twin rotary stepless DC compressor, the Rheem COMPACT Series provides quiet, efficient and consistent heating across a wide range of climates.
Built and tested for Australian conditions, the Rheem COMPACT Series combines durability, smart controls and flexible integration options to ensure long-lasting performance and ease of use.
Advanced Technology
• Twin rotary stepless DC inverter compressor for smooth, efficient operation.
• High Coefficient of Performance (COP) for maximum energy savings compared to conventional pool heating.
• Independently certified in Australia to comply with AS/NZS electrical safety standards.
• High temperature settings suitable for spa applications.
Key Design Features
• Available as RPH028-1A single-phase and RPH028-3A three-phase models.
• 27.8 kW nominal heating capacity across both configurations.
• Durable ABS and aluminium alloy casing for protection against harsh weather and corrosion.
• Compact footprint makes installation easier in tight spaces without compromising performance.
• Single-point condensate drain with factory-supplied drain kit for simplified installation.
User-Friendly Controls
• Easy-use LCD touchscreen with lock function for poolside operation.
• WiFi-enabled via third-party app for remote monitoring and control.
• Seamless integration with branded pool automation systems and Rheem’s DPi Link for automated pump control.
Performance & Peace of Mind
• Perfect pool and spa temperatures year-round with operating flexibility across a wide climate range.
• 10-year compressor warranty, 25-year titanium heat exchanger warranty, and strong parts/labour coverage for residential use.
• Designed for quiet operation, ensuring minimal disruption to your outdoor environment.
The pool and spa heat pump shall be Rheem COMPACT Series, available as model RPH028-1A for 240 V single-phase electrical supply or model RPH028-3A for 415 V three-phase electrical supply.
Both models shall have a nominal heating capacity of 27.8 kW at air 27°C / water 27°C / 80% relative humidity and 18.8 kW at air 15°C / water 26°C / 70% relative humidity. Cooling capacity shall be 11.7 kW at air 35°C / water 28°C / 80% relative humidity.
The RPH028-1A shall have a rated input power range of 0.50–3.84 kW, rated input current of 2.17–16.70 A and a recommended 25 A circuit breaker.
The RPH028-3A shall have a rated input power range of 0.50–3.84 kW, rated input current of 0.72–5.56 A and a recommended 10 A circuit breaker.
Both models shall use R32 refrigerant, have an IPX4 protection rating, 50 mm water connections, an advised water flow of 2.8–3.4 L/s and a maximum allowable water pressure of 300 kPa. Overall dimensions shall be 1060 × 430 × 957 mm. Net weight shall be 94 kg for RPH028-1A and 99 kg for RPH028-3A.
