{"product_id":"hx120-lpg-spa-gas-heater-astralpool-hurlcon","title":"Astralpool HX 120 Gas Heater - aka Hurlcon - LPG (Propane)","description":"\u003ch3\u003eAstralpool HX120 \/ HX 120 Gas Spa Heater with ~24 kW Heat Output\u003cbr\u003e(Equal to a 35 kW Heat Pump in cool weather)\u003c\/h3\u003e\n\u003cp\u003eThe Astralpool HX120, previously known as the Hurlcon HX120 or HX 120, is one of Australia’s most well-known replacement gas spa heaters. Designed and manufactured in Australia, it has been a proven choice for more than 25 years for fast, dependable heating of spas, swim spas, and smaller pools.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003cstrong\u003ePhysically Stocked, unlike most \"drop-shipping\" websites.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003cstrong\u003eGenuine Authorised Dealer\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIt is commonly used as a replacement for older models such as the Hurlcon HX 120 Beige and also supersedes the Hurlcon HX 150, along with replacing heaters such as the MiniMax, MX125, MX150, HiNRG175, and Raypak Spartan 131.\u003c\/p\u003e\n\u003cdiv style=\"background: #E0F7FA; border: 1px solid #bfeaf1; padding: 14px 16px; margin: 0 0 18px; border-radius: 6px;\"\u003e\n\u003cp style=\"margin: 0 0 8px;\"\u003e\u003cstrong\u003eFuel type:\u003c\/strong\u003e LPG (Propane)\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 8px;\"\u003e\u003cstrong\u003eMarket position:\u003c\/strong\u003e We stock and sell more HX 120 heaters than anyone. Founder is ex-employee of Hurlcon\/Astralpool from the Research \u0026amp; Development department\u003c\/p\u003e\n\u003cp style=\"margin: 0;\"\u003e\u003cstrong\u003eDealer status:\u003c\/strong\u003e Authorised Fluidra (Astralpool \/ Zodiac) Dealer and Warranty Agent\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"margin: 0 0 18px; font-size: 0.95rem;\"\u003eConnected to mains gas instead? See the \u003ca href=\"https:\/\/heaterandspaparts.com.au\/products\/hx120-spa-gas-heater-astralpool-hurlcon\"\u003eAstralpool HX 120 — Natural Gas model\u003c\/a\u003e.\u003c\/p\u003e\n\u003cdiv style=\"border: 1px solid #d9d9d9; padding: 14px 16px; margin: 0 0 18px; border-radius: 6px;\"\u003e\n\u003ch3\u003eDocumentation, Startup \u0026amp; Warranty\u003c\/h3\u003e\n\u003cul style=\"padding-left: 1.2rem; margin: 0;\"\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/melbournesparepairs.com.au\/www\/Manuals\/GasHeaters\/HXHeater_Web_0.pdf\" target=\"_blank\"\u003eHX Series Brochure (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/melbournesparepairs.com.au\/www\/Manuals\/GasHeaters\/Hurlcon_Astralpool_HX70_HX120_WX_Gas_Spa_Heater_Manual.pdf\" target=\"_blank\"\u003eInstallation \u0026amp; Operation Manual\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/heaterandspaparts.com.au\/products\/hurlcon-astralpool-hx-wx-spare-parts-complete-listing\" target=\"_blank\"\u003eHX\/WX Spare Parts List\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/heaterandspaparts.com.au\/products\/hurlcon-remote-heater-thermostat-touchpad-controller-astralpool\" target=\"_blank\"\u003eOptional Remote Controller\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003ch3\u003eWhy Choose Gas Heating?\u003c\/h3\u003e\n\u003cp\u003eGas is the fastest way to heat a spa. The HX120 delivers around 24 kW of heat output from about 110 MJ\/h gas input, making it ideal for people who want strong, on-demand heating without waiting around.\u003c\/p\u003e\n\u003cp\u003eIn cool weather, this heater is roughly equivalent to a 35 kW heat pump. That is why gas heaters like the HX120 remain such a popular choice for spas and swim spas where rapid heat-up matters.\u003c\/p\u003e\n\u003cp\u003eUnder ideal conditions, it can raise 1000 litres of water by 20°C in about an hour. Its copper-nickel finned-tube heat exchanger, electronic ignition, and digital controls make it a durable and practical replacement for many older Hurlcon HX\/WX, Wilton, and MiniMax heaters.\u003c\/p\u003e\n\u003ch3\u003eWhy Buy From Us?\u003c\/h3\u003e\n\u003cul style=\"padding-left: 1.2rem; margin-bottom: 16px;\"\u003e\n\u003cli\u003eWe sell more of these heaters than anyone else in Australia\u003c\/li\u003e\n\u003cli\u003eWe carry the complete range of HX and WX spare parts in stock\u003c\/li\u003e\n\u003cli\u003eWe are an Authorised Fluidra (Astralpool \/ Zodiac) Dealer and Warranty Agent\u003c\/li\u003e\n\u003cli\u003eWe support these heaters long after the sale with genuine spare parts and real product knowledge\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul style=\"padding-left: 1.2rem; margin-bottom: 16px;\"\u003e\n\u003cli\u003eAustralian-made for local conditions\u003c\/li\u003e\n\u003cli\u003eFast heat-up for spas, swim spas, and smaller pools\u003c\/li\u003e\n\u003cli\u003eCopper-nickel heat exchanger for durability\u003c\/li\u003e\n\u003cli\u003eDigital controller with diagnostic display\u003c\/li\u003e\n\u003cli\u003eElectronic ignition with no standing pilot flame\u003c\/li\u003e\n\u003cli\u003eCompact design at approximately 33 kg\u003c\/li\u003e\n\u003cli\u003eOutdoor-rated, with indoor conversion kits available\u003c\/li\u003e\n\u003cli\u003eWidely used as a replacement for older Australian spa heaters\u003c\/li\u003e\n\u003cli\u003eComparable to around a 35 kW heat pump in cool weather\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePossible Heating Times to Raise Water by 20°C\u003c\/h3\u003e\n\u003cul style=\"padding-left: 1.2rem; margin-bottom: 10px;\"\u003e\n\u003cli\u003e1000 L ≈ 65 minutes\u003c\/li\u003e\n\u003cli\u003e1500 L ≈ 78 minutes\u003c\/li\u003e\n\u003cli\u003e2000 L ≈ 95 minutes\u003c\/li\u003e\n\u003cli\u003e2500 L ≈ 110 minutes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"font-size: 0.9rem; color: #444; margin-bottom: 18px;\"\u003eActual times depend on ambient temperature, wind, plumbing layout, heat loss, water condition, and other site factors.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul style=\"padding-left: 1.2rem; margin-bottom: 16px;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e HX120 \/ HX 120\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuel Type:\u003c\/strong\u003e LPG (Propane)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeat Output:\u003c\/strong\u003e ~24 kW\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGas Input:\u003c\/strong\u003e ~110 MJ\/h\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGas Use:\u003c\/strong\u003e ≈ 2–2.2 kg LPG \/ h\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEfficiency:\u003c\/strong\u003e Up to 83%\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlow Rate:\u003c\/strong\u003e 150–300 L\/min\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBypass:\u003c\/strong\u003e Required above 300 L\/min\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 820 mm H × 390 mm W × 515 mm D\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e ~33 kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGas Connection:\u003c\/strong\u003e 20 mm (½\") BSP\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eMaintenance \u0026amp; Care\u003c\/h3\u003e\n\u003cul style=\"padding-left: 1.2rem; margin-bottom: 16px;\"\u003e\n\u003cli\u003eMany HX heaters last for decades when properly maintained\u003c\/li\u003e\n\u003cli\u003eMaintain pH between 7.2 and 7.6\u003c\/li\u003e\n\u003cli\u003eAvoid poor water chemistry, including low pH and excessive sanitiser levels\u003c\/li\u003e\n\u003cli\u003eAvoid bromine tablets - these can lower pH and corrode copper heat exchanger\u003c\/li\u003e\n\u003cli\u003eEnsure correct water flow and adequate ventilation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr style=\"margin-top: 28px;\"\u003e\n\u003chr style=\"margin: 22px 0 8px 0;\"\u003e\n\u003cp style=\"font-size: 0.85rem; color: #888; line-height: 1.5;\"\u003e\u003cstrong\u003eSearch and alternate terms:\u003c\/strong\u003e\u003cbr\u003eHurlcon HX120 LPG Heater, Hurlcon HX 120 Propane Heater, Astral HX120 LPG Spa Heater, Astralpool HX120 LPG, Astralpool HX 120 Propane, HX120 Replacement Heater, HX 120 Replacement Heater, Hurlcon HX150 Upgrade, Hurlcon HX 150 Replacement, Astral Spa Gas Heater, HX120 Beige Model, Astralpool Gas Heater Replacement, Hurlcon HX Series Heater Parts, Astralpool Heater Australia.\u003c\/p\u003e\n\u003ch3\u003eManufacturer Catalogues, Diagrams \u0026amp; Part Numbers\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eNeed exploded views, spare part numbers, product numbers, diagrams, or more product information? See the manufacturer catalogues: \u003ca href=\"https:\/\/hasp.com.au\/pages\/Astralpool_Catalogue_2026\"\u003eAstralpool Catalogue 2026\u003c\/a\u003e | \u003ca href=\"https:\/\/hasp.com.au\/pages\/Zodiac_Catalogue_2026\"\u003eZodiac Catalogue 2026\u003c\/a\u003e \u003c\/strong\u003e\u003c\/p\u003e","brand":"Astralpool","offers":[{"title":"Default Title","offer_id":47146251223229,"sku":"10972-1","price":3563.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0372\/5253\/files\/astralpool-hx-120-gas-heater-aka-hurlcon-lpg-propane-546.webp?v=1782893712","url":"https:\/\/heaterandspaparts.com.au\/products\/hx120-lpg-spa-gas-heater-astralpool-hurlcon","provider":"Heater and Spa Parts","version":"1.0","type":"link"}