Balboa Gecko Spa Heater Gasket O-Ring Seal - Pair Heater Parts

Balboa Gecko Spa Heater Gasket O-Ring Seal - Heater and Spa Parts

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Pair - 74mm OD "50mm" Balboa / Gecko / Aeware Spa Heater Gasket O-Ring Seal - Pair

Name: Pair - 74mm OD "50mm" Balboa / Gecko / Aeware Spa Heater Gasket O-Ring Seal - Pair
Brand: SXSC
SKU: 711-4031 21619 B-21619 (x2)
Price: 10.00 AUD
Availability: InStock

Price:

$10.00 $22.00

Quantity:

Tax Included. Shipping over $149 FREE or calculated at checkout.

About Us: We keep physical stock in Vic, NSW, Qld, WA unline most online stores. We offer sustainable, value-based pricing that reflects our stock and support. We don’t price match but stay competitive for the long term.

PAIR (two) Balboa / Gecko ribbed heater o-ring gasket seals to fit all Balboa M7 & non-M7 Heaters and many others including Gecko, AEware, Hydroquip, Aquatemp, RMF, and others. May be black, white, or clear material. Should be replaced every few years, or when there has been a chemical balance problem.

Referred to as 50mm or 2" Gaskets - Note that "50mm" refers to the plumbing and the gaskets do not actually measure 50mm or 2". They measure approximately 74mm outside diameter.

Measurements:

Outside diameter: 74mm
Inside diameter: 53mm
Total Thickness: 6mm
Square edged O-ring side - diameter of raised ring centre to centre: 63mm

May Have Part Numbers:

711-4031, 21619, B-21619, RGASHEA50M

Used in:

Gecko Aeware, in.yj, in.ye, in.xm, Microspa, SSPA, MSPA and others
Balboa GS, GL, EL, BP, Dominator, Revolution and many others
Hydroquip & Pentair spa controllers
Spa Builders

Oring, o ring, Balboa Heater Gasket - 50mm / Gecko Heater Seal

General Info - FAQs

Shipping & Pick-Up Info

Enjoy Free Road Shipping on most orders over $149 (bulky or dangerous goods excluded — your cart will show this).
Need it fast? Select Express Post for delivery in 1–5 business days*, or contact us to confirm stock for urgent orders.
Pick-ups are available from our Carrum Downs, VIC store. Please order online, and we’ll notify you when it’s ready. Our NSW, QLD, and WA warehouses ship orders only.
View our Shipping Info & Policy here,
Click here or check your order confirmation email for tracking updates.
Shipping T&Cs

I'm not sure what I need. Can you help?

Please try our Search first— try entering any part numbers, models, or measurements. There’s a good chance you’ll find it! Still can't find it?

We’re here to help. For the fastest, most accurate response, please include:

Clear photos of the part itself and where it sits in the spa (control box, touchpad, pump label, filters, etc.).
Measurements (e.g. thread size, pipe OD/ID, heater kW rating, pump label details, etc).
Brands: Mention any brands you know or can see.
Error codes or symptoms you’ve noticed, plus anything you’ve already tried.
Technical Help - For technical assistance, please email us with as much detail as possible. Keep in mind we are limited in what advice we can provide on electrical and gas components, as all work must be carried out by a qualified technician.

About Heater & Spa Parts (HASP)

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% Australian-owned and operated, with warehouses in VIC, NSW, QLD & WA, and we ship faster than anyone. We have a physical retail store at 10 Industry Blvd, Carrum Downs, Vic.

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.

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, Madimack, Magnum, Pentair, Raypak, Rheem, SpaNet, Spa-Quip, SpaPro, Waterco, Waterway, Zodiac—and many more.

Our parts are compatible with popular spa brands including Alpine, Arctic, Artesian, Bullfrog, Caldera, Cyclone, Decina, Dimension One, Endless®, Fisher, HotSpring, Just Spas, LA Spas, Maax, 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.

Warranty & Return Info

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

Returns Policy: 30-day returns on many products, excluding electrical and some other items. See our returns policy here.

Pair - 74mm OD "50mm" Balboa / Gecko / Aeware Spa Heater Gasket O-Ring Seal - Pair

Description

Pair - 74mm OD "50mm" Balboa / Gecko / Aeware Spa Heater Gasket O-Ring Seal - Pair

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General Info - FAQs