Important Notice: 23rd June to 3rd August

Free Shipping over $149* - Free & Flat Rate from VIC, NSW, QLD, WA - *T&Cs Apply

Huge Sale On Now!

Contact Us Here
1 7

40mm Spa Circ Pump Barrel Union O-rings - 47mm OD

$4.00
Includes GST. Shipping calculated at checkout.

Delivery and Shipping

Free Shipping over $149 for most products. Choose Express Post for fastest shipping!

Free, Flat Rate & Express Post Shipping Information.

O-Ring to Suit Various Spa Circulation Pumps – Approx. 47mm OD x 4mm Thick

Replacement O-ring for pump unions used on various circulation pumps, including Balboa 10300107, SpaNet XS3C, Davey QB035, Laing E-14, and LX JA35 & JA50.

  • Size: Approx. 47mm outer diameter x 4mm cross-section

  • Fitment: Designed for 40mm union fittings. Can be slightly stretched or compressed to suit most common pump unions.

Please note: Pump manufacturers have used different unions & seals over time, even for the same model pumps. To ensure compatibility, measure your union to ensure these will suit. 

This listing is for the O-ring only. Images showing barrel unions are for reference purposes only.

Payment & Security

We accept: Visa, Mastercard, Amex, Apple Pay, Google Pay, ShopPay, Paypal, Zip, Afterpay

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

General Information

  • Shipping & Pick-Up Info:

    We’re fully Australian owned with a real store and ship faster than anyone—not just another drop-shipper.

    Enjoy Free Road Shipping on orders over $149 (some bulky or dangerous goods excluded—your cart will show this). Need it fast? Choose Express Post for delivery in 1–5 business days*, or contact us to confirm stock for urgent orders. *T&Cs Apply -> Shipping Policy & Information Here.

    Pick-ups are available from our Carrum Downs, VIC store. Please order online first, and we’ll notify you when it’s ready. Our NSW, QLD, and WA warehouses ship orders only.

    Warranties & Returns: As an authorised service agent, our process is quick and straightforward. See our Warranty & Returns page for details.

    Please also read our Corrosive Water Info to understand what is and isn’t covered by manufacturers when damage is caused by improper water balance.

  • Parts & Brands

    We stock and supply parts from all the major brands: Aeware, AquaFlo, Astralpool, Balboa, CG Air, CMP, Darlly, Davey, Del Ozone, Edgetec, EvoHeat, Fluidra, Gecko, Hurlcon, Jandy, LX, Pentair, Raypak, Rheem, 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, Dimension One, Fisher, HotSpring, Jacuzzi, Just Spas, Monarch, Oasis, Sapphire, Signature, Sundance, Vortex® and dozens more.

    Please note: Images are for illustration only—actual products may vary. Some OEM parts may arrive without packaging or manuals. Where available, manuals are on the product page or provided on request. All parts must be installed by qualified professionals. Electrical and gas work must be carried out by licensed technicians.

  • About Us:

    Heater & Spa Parts has Australia’s largest range of spa spare parts, supplies, and pool heaters from top brands. We're a real store with real stock—not just another drop-shipper.

    We're 100% Aussie-owned, with warehouses in VIC, NSW, QLD & WA, and we ship faster than anyone.

    As authorised dealers and service agents for major brands, and former employees of leading manufacturers, we know our stuff.

    We're proud SPASA and Master Plumbers members, working closely with top manufacturers and distributors.

    With over 50,000 parts across 5,000+ product lines, we stock everything from filters, pumps, jets, chemicals, heaters, touchpads, control panels, and more—plus manuals and expert info to help you out.
Brands We are an authorised dealer, retailer, and/or service & warranty agent for many leading brands, including: Fluidra (AstralPool, Zodiac, Hurlcon), Aeware (Gecko), AquaFlo, 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. Trademark Information: All trademarks, brand names, and logos displayed on this website are the property of their respective owners. Heater and Spa Parts is an independent Australian supplier of replacement parts and accessories. Use of trademarked names, logos, or brands is for identification and compatibility purposes, i
Back to top