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Gas Pool & Spa Heaters

AstralPool Gas Spa Heaters

HX 70, HX 120 - Super robust, simple spa heater design that’s proven over decades. 2 Year Warranty. 1 Year Labour. Made in Australia
Best for: smaller residential spas and fast heat-up with simple on/off control.
JX 130, JX 160 - Wall-mounted, very robust, strong performance for larger spas and smaller pools. 2 Year Warranty. 1 Year Labour. Made in Australia
Best for: higher heat demand, quicker warm-ups, and wall-mount installations.

Heat-up Times Chart (Raise Water by 10°C)

Use this as a quick guide to estimate how long each heater size may take to lift your pool or spa by 10°C based on water volume. Real-world results vary, but this is handy for comparing heater output and expected heat-up speed.

Heater	kW*	1,000 L	5,000 L	10,000 L	15,000 L	20,000 L	25,000 L	30,000 L	40,000 L	50,000 L	60,000 L	70,000 L	80,000 L	90,000 L	100,000 L
HX 70	16	45m	3h 45m	7h 15m	10h 45m	14h 30m	18h 15m	21h 45m	29h	36h 15m	43h 45m	50h 45m	58h	65h 30m	72h 45m
HX 120	24	30m	2h 15m	4h 30m	6h 45m	9h	11h 15m	13h 30m	17h 45m	22h 15m	26h 45m	31h 15m	35h 45m	40h 15m	44h 45m
JX 130	26	30m	2h 15m	4h 15m	6h 30m	8h 30m	10h 45m	12h 45m	17h	21h 15m	25h 30m	29h 45m	34h	38h 30m	42h 45m
JX 160	33	20m	1h 40m	3h 15m	4h 45m	6h 15m	8h	9h 30m	12h 45m	16h	19h 15m	22h 30m	25h 45m	29h	32h

Disclaimer: This chart is a general guide only. Actual heating times vary depending on ambient temperature, water circulation, heater efficiency, pool cover use, wind, and heat loss. Do not rely on these figures for design, installation, or operational decisions. *kW output ratings are a rough conversion.

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Shipping & Pick-Up
We are 100% Australian owned with a real store and fast dispatch, not a drop shipper.
Enjoy Free Road Shipping on orders over $149*. Need it fast? Choose Express Post (1 to 5 business days)* and contact us to confirm stock for urgent orders.
Pick-ups are available from our Carrum Downs, VIC store at 10 Industry Blvd, Carrum Downs Vic.
Please order online first and we will notify you when it is ready. NSW, QLD, and WA warehouses ship orders only.

Shipping & Ordering Info - T&Cs apply.
Parts & Brands
We stock and supply parts from all the major brands: Aeware, AquaFlo, Astralpool, Balboa, CG Air, CMP, Darlly, Davey, Del Ozone, Edgetec, Fluidra, Gecko, Hurlcon, Jandy, LX, Raypak, SpaNet, Spa-Quip, Waterco, Waterway, Zodiac—and many more.
Our parts are compatible with popular spa brands including Alpine, Arctic, Artesian, Bullfrog, Caldera, Cyclone, Decina, Designer, Dimension One, Endless®, Fisher, Heritage, Just Spas, Lanark, Maax, Monarch, Oasis, Sapphire, Signature, Spa Industries, Sundance, Vortex® and dozens more.
Warranty Info
About Us
Heater & Spa Parts is built on decades of real pool and spa industry experience. With backgrounds in manufacturer product Research & Development (and we still consult!), pool heating, technical support, trade connections, and field diagnostics, we know our products from the inside out.
We are a real Australian store with real stock, not a drop shipper. With 100,000+ parts across 10,000+ product lines, we offer Australia’s largest range of spa parts, pool heater parts, filters, pumps, jets, chemicals, touchpads, control panels, manuals, and more, backed by fast shipping and practical advice.
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Brand Information

We are an authorised dealer, retailer, and/or service & warranty agent for many leading brands, including: Fluidra (AstralPool, Zodiac, Hurlcon), Aeware, Aqua-Flo, Balboa, CG Air, CMP, Darlly, Davey, Del Ozone, Edgetec, Gecko, Goulds, Henden, Honeywell, HydroQuip, ITT, Jandy, Joyonway, Laing, Lo-Chlor, LX, Madimack, Magnum, Onga, Pentair, Raypak, Rheem, Reemay, S&P, Sensaheat, Spa-Craft, Spa-King, SpaNet, Spa-Quip, SpaZazz, Waterway, Weld-On, Xylem, and others.

We also sell parts for many spa brands, including parts to suit Signature Spas, Bullfrog Spas, Maax Spas, Heritage Spas, Lanark Spas, Sapphire Spas, Monarch Spas, Alpine Spas, Artesian Spas, Caldera Spas, Cyclone Spas, Decina, Designer Spas, Dimension One Spas, Endless® Spas, Fisher Spas, Halo Spas, HotSpring Spas, Impact Spas, Jacuzzi, Just Spas, LA Spas, Leisurite Spas, O2 Spas, Oasis, SCS Spas, Spa Industries, Spas Direct, Sunrans, Sundance Spas, Vortex®, and many others.

Handy PVC Plumbing Size Info
Plumbing sizes can be confusing. Pressure PVC pipe use nominal sizes - the size is simple a name, not the measured dimension. This convention is used across most pool and spa systems so that pipes and fittings remain compatible.
- 50mm / 2" = ~60-61mm OD
- 40mm / 1.5" = ~48mm OD
- 25mm / 1" = ~33-34mm OD

Plug Types & Styles
Common plug types found on spa equipment are AMP, Mini JJ, C38 (Aus 3-pin), Gecko in.link, etc. For more information please click here.
- AMP plugs are the most common type used for over 20 years.
- Many Mini J&J plugs are no longer available and must be modified.
- C38 is the common Australian 3-pin plug found in normal household outlets.
- Gecko (Aeware) in.link style plugs are no longer available and must be modified.

General Information & Disclaimers

Many products we supply are OEM-supplied and may not include retail packaging, printed instructions, or accessories. Refer to the product listing for details, or contact us if unsure.

Product images are for illustration only. Actual items may vary due to manufacturer changes, updates, and other variations. Images may show a full assembly, a partial assembly, or a specific component only. They are provided for identification purposes and do not by themselves define what is included. Please read the title and description carefully.

All products must be installed and used by qualified and experienced persons in accordance with applicable Australian standards and manufacturer requirements. We are a parts supplier, similar to an electrical, plumbing, or automotive parts supplier. We sell parts, but cannot always provide exact installation, troubleshooting, or system design advice. Buyers are expected to know what they are doing or use a qualified professional.

Contact us before ordering if your order is urgent, to confirm availability before purchasing.

® Trademark Information

All trademarks, brand names, and logos displayed on this website are the property of their respective owners. Heater & Spa Parts is an independent Australian supplier of replacement parts and accessories. Use of trademarked names, logos, and brands is for identification and compatibility purposes only, unless otherwise stated.