{"product_id":"28kw-3-phase-rheem-raypak-pool-spa-heat-pump-compact-inverter-series-rph028-3a","title":"28kW 3-Phase Rheem (Raypak) Pool \u0026 Spa Heat Pump - Compact Inverter Series (RPH028-3A)","description":"\u003cp\u003e\u003cspan style=\"color: #1e88e5;\"\u003e\u003cstrong\u003eFree Shipping, or Pickup.\u003c\/strong\u003e We keep these physically in stock for fast shipping or local pick-up, unlike most drop-shipping websites.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eRheem RPH028-3A 28kW Three-Phase\u003c\/strong\u003e delivers the same powerful heating output as the single-phase 28kW model, but draws current across three phases — making it the smarter choice for \u003cstrong\u003elarge residential pools where three-phase power is available\u003c\/strong\u003e. Lower current per phase means a smaller circuit breaker, less load on the electrical infrastructure, and easier integration with other three-phase equipment. Backed by Rheem's national service network and one of the strongest warranties on the Australian market.\u003c\/p\u003e\n\u003cp\u003eRheem is one of Australia's most recognised names in water heating, and Rheem Thermal is a long-established specialist in \u003cstrong\u003epool and spa heating for residential and commercial applications\u003c\/strong\u003e. The \u003cstrong\u003eCompact Residential Inverter Series\u003c\/strong\u003e combines modern inverter efficiency, quiet operation, WiFi control, strong build quality, and one of the best warranty structures in the market.\u003c\/p\u003e\n\n\u003ch3\u003eAt a Glance — 28kW 3-Phase (RPH028-3A)\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeating capacity:\u003c\/strong\u003e 27.8 kW (at 27°C air \/ 27°C water)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAverage COP at 50% speed:\u003c\/strong\u003e 10.7\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower supply:\u003c\/strong\u003e 415V three phase\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRecommended circuit breaker:\u003c\/strong\u003e 10A\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSound level at 10m:\u003c\/strong\u003e 21.5-32.9 dB(A)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating air range:\u003c\/strong\u003e -10°C to +43°C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRefrigerant:\u003c\/strong\u003e R32 (2.0 kg)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdvised water flow:\u003c\/strong\u003e 2.8-3.4 L\/sec\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions (L × W × H):\u003c\/strong\u003e 1060 × 430 × 957 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNet weight:\u003c\/strong\u003e 99 kg\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWater connections:\u003c\/strong\u003e 50mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBest suited to large residential pools with three-phase power available. For commercial or oversized residential installations needing more output, also consider the 35kW three-phase model. For single-phase properties, see the 28kW single-phase variant.\u003c\/p\u003e\n\n\n\u003ch3\u003eWhy We Like Rheem Heat Pumps\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExcellent national backup support\u003c\/strong\u003e from a brand Australians already know and trust\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeating and cooling capability\u003c\/strong\u003e for better year-round pool and spa comfort\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt-in WiFi control\u003c\/strong\u003e via app connectivity\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact footprint\u003c\/strong\u003e for installations where space matters\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuiet inverter operation\u003c\/strong\u003e with advanced EC fan motor technology\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eHigh temperature settings for spa applications\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eReady integration with pool automation systems\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWarranty Support That Actually Means Something\u003c\/h3\u003e\n\u003cp\u003eNot all warranties are equal. Rheem backs the Compact Series with its \u003cstrong\u003eNational Service Network\u003c\/strong\u003e, which is a major advantage over many lesser-known import brands.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003cstrong\u003e3 year parts and labour warranty\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003e5 years on general parts\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003e10 years on the compressor\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003e25 years on the heat exchanger\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eOne standout warranty feature:\u003c\/strong\u003e if the \u003cstrong\u003eheat exchanger fails within the 3 year comprehensive warranty period\u003c\/strong\u003e, Rheem states they will \u003cstrong\u003ereplace the heater at no cost\u003c\/strong\u003e. That is a serious level of support and one of the strongest warranty offers available in this category.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features (All Models)\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTwin rotary stepless DC inverter compressor\u003c\/strong\u003e for efficient, precise output control\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEC fan motor\u003c\/strong\u003e for quiet operation and improved efficiency\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eElectronic Expansion Valve (EEV)\u003c\/strong\u003e for increased temperature stability\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTwisted titanium heat exchanger\u003c\/strong\u003e for effective heat transfer and corrosion resistance\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdvanced reverse cycle defrosting\u003c\/strong\u003e for improved cold-weather operation\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eR32 refrigerant\u003c\/strong\u003e with lower global warming impact than older refrigerants\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable ABS and aluminium alloy casing\u003c\/strong\u003e for outdoor durability\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSingle point condensate drain\u003c\/strong\u003e with factory supplied drain kit\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeavy duty weather cover\u003c\/strong\u003e to help keep the unit clean when not in use\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003e50mm water connections\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eControl and Automation\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy-use LCD touchscreen\u003c\/strong\u003e with lock function\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWiFi enabled\u003c\/strong\u003e for remote control through a compatible app\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eSuitable for spa temperature settings\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eCan integrate with automation systems\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy connection to the Rheem DPi Link\u003c\/strong\u003e for automated pump control\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAustralian Compliance and Peace of Mind\u003c\/h3\u003e\n\u003cp\u003eThese units are \u003cstrong\u003eindependently certified in Australia\u003c\/strong\u003e to comply with Australian Electrical Safety Standards.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCertified to \u003cstrong\u003eAS\/NZS 60335-1\u003c\/strong\u003e\n\u003c\/li\u003e\n  \u003cli\u003eCertified to \u003cstrong\u003eAS\/NZS 60335-2-40\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Buy From Us\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003cstrong\u003eAuthorised Australian supplier\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePhysical stock\u003c\/strong\u003e for fastest dispatch or local collection\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReal-world product knowledge\u003c\/strong\u003e in pool and spa heating\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\n\u003ch3\u003eFull Range Comparison — Rheem Compact Residential Inverter Series\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; min-width: 1100px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #ff4a1c; color: #ffffff;\"\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #d9d9d9; text-align: left;\"\u003eModel\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #d9d9d9;\"\u003eRPH009-1A\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #d9d9d9;\"\u003eRPH013-1A\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #d9d9d9;\"\u003eRPH016-1A\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #d9d9d9;\"\u003eRPH021-1A\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #d9d9d9;\"\u003eRPH028-1A\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #d9d9d9;\"\u003eRPH028-3A\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #d9d9d9;\"\u003eRPH035-3A\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color: #efefef;\"\u003e\u003ctd colspan=\"8\" style=\"padding: 10px; border: 1px solid #d9d9d9; font-weight: bold; text-align: left;\"\u003eHeating Performance Condition: Air 27°C \/ Water 27°C \/ Humidity 80%\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #d9d9d9; text-align: left;\"\u003eHeating Capacity (kW)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #d9d9d9;\"\u003e8.6\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #d9d9d9;\"\u003e13\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #d9d9d9;\"\u003e15.5\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #d9d9d9;\"\u003e21\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #d9d9d9;\"\u003e27.8\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #d9d9d9;\"\u003e27.8\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #d9d9d9;\"\u003e35.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #d9d9d9; text-align: left;\"\u003eAverage COP at 50% Speed\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #d9d9d9;\"\u003e9.0\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #d9d9d9;\"\u003e9.5\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #d9d9d9;\"\u003e9.6\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #d9d9d9;\"\u003e9.3\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #d9d9d9;\"\u003e11.0\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #d9d9d9;\"\u003e10.7\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #d9d9d9;\"\u003e10.6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #efefef;\"\u003e\u003ctd colspan=\"8\" style=\"padding: 10px; border: 1px solid #d9d9d9; font-weight: bold; text-align: left;\"\u003eTechnical Specifications\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #d9d9d9; text-align: left;\"\u003ePower supply\u003c\/td\u003e\n\u003ctd colspan=\"5\" style=\"padding: 10px; border: 1px solid #d9d9d9;\"\u003e240V 1Ph\u003c\/td\u003e\n\u003ctd colspan=\"2\" style=\"padding: 10px; border: 1px solid #d9d9d9;\"\u003e415V 3Ph\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #d9d9d9; text-align: left;\"\u003eRecommended circuit breaker size (A)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #d9d9d9;\"\u003e10\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #d9d9d9;\"\u003e16\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #d9d9d9;\"\u003e20\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #d9d9d9;\"\u003e25\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #d9d9d9;\"\u003e25\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #d9d9d9;\"\u003e10\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #d9d9d9;\"\u003e20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #d9d9d9; text-align: left;\"\u003eRefrigerant R32 charge (kg)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #d9d9d9;\"\u003e0.5\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #d9d9d9;\"\u003e0.75\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #d9d9d9;\"\u003e0.8\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #d9d9d9;\"\u003e1.0\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #d9d9d9;\"\u003e2.0\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #d9d9d9;\"\u003e2.0\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #d9d9d9;\"\u003e2.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #d9d9d9; text-align: left;\"\u003eDimensions L \/ W \/ H (mm)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #d9d9d9;\"\u003e890 \/ 430 \/ 657\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #d9d9d9;\"\u003e890 \/ 430 \/ 657\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #d9d9d9;\"\u003e890 \/ 430 \/ 657\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #d9d9d9;\"\u003e1060 \/ 430 \/ 657\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #d9d9d9;\"\u003e1060 \/ 430 \/ 957\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #d9d9d9;\"\u003e1060 \/ 430 \/ 957\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #d9d9d9;\"\u003e1314 \/ 512 \/ 957\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #d9d9d9; text-align: left;\"\u003eNet weight (kg)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #d9d9d9;\"\u003e58\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #d9d9d9;\"\u003e61\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #d9d9d9;\"\u003e64\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #d9d9d9;\"\u003e70\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #d9d9d9;\"\u003e94\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #d9d9d9;\"\u003e99\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #d9d9d9;\"\u003e132\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cem\u003eFor a side-by-side overview of every size in this range (9kW through 35kW), see the \u003ca href=\"\/products\/rheem-heat-pumps\"\u003eRheem Compact Inverter Series — Range Overview\u003c\/a\u003e.\u003c\/em\u003e\u003c\/p\u003e","brand":"Raypak","offers":[{"title":"Default Title","offer_id":46821772001469,"sku":"RPH028-3A","price":9084.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0372\/5253\/files\/28kw-3-phase-rheem-raypak-pool-spa-heat-pump-compact-inverter-series-rph028-3a-938.webp?v=1779762486","url":"https:\/\/heaterandspaparts.com.au\/products\/28kw-3-phase-rheem-raypak-pool-spa-heat-pump-compact-inverter-series-rph028-3a","provider":"Heater and Spa Parts","version":"1.0","type":"link"}