{"product_id":"genuine-astralpool-e25-cells-salt-chlorinator-cell-electrode","title":"21905 - Astralpool Hurlcon VX6 \u0026 E25 Genuine Salt Chlorinator Cell - Complete","description":"\u003c!-- HASP-FLP-1.0 | SKU 21905 | rule CELL-1.0 | warranty rev 2026-02-01 | canary: vx6-complete-split --\u003e\u003ch3\u003eAstralpool Hurlcon VX6 \u0026amp; E25 Genuine Salt Chlorinator Cell, Complete Cell 21905\u003c\/h3\u003e\u003cp\u003eThis is the \u003cstrong\u003egenuine Astralpool salt chlorinator cell\u003c\/strong\u003e for \u003cstrong\u003eVX6\u003c\/strong\u003e and \u003cstrong\u003eE25\u003c\/strong\u003e chlorinators. This listing is the \u003cstrong\u003ecomplete cell, part 21905\u003c\/strong\u003e, supplied as the electrode and the housing together. If your housing is sound and only the plates are worn, order the \u003cstrong\u003eelectrode only, 21915\u003c\/strong\u003e (\u003ca href=\"\/products\/astralpool-hurlcon-vx6-e25-genuine-chlorinator-electrode-21915\"\u003ebuy here\u003c\/a\u003e). Supplied by an authorised Astralpool \/ Fluidra dealer and warranty agent, not an aftermarket copy.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003cstrong\u003eWe keep these physically in stock for fast shipping or local pick-up, 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\u003eShipped from VIC, NSW, WA, QLD\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhich Chlorinators Does This Suit?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eAstralpool \u003cstrong\u003eE25\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eHurlcon \/ Astralpool \u003cstrong\u003eVX6\u003c\/strong\u003e, \u003cstrong\u003eVX6S\u003c\/strong\u003e, \u003cstrong\u003eVX6T\u003c\/strong\u003e, \u003cstrong\u003eVX6TL\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eHurlcon \u003cstrong\u003e6 Series\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eIt Does Not Suit These, Order These Instead\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVX7\u003c\/strong\u003e: complete cell 21906 (\u003ca href=\"\/products\/astralpool-hurlcon-vx7-genuine-chlorinator-cell-electrode-21906-21916\"\u003ebuy here\u003c\/a\u003e) or electrode 21916 (\u003ca href=\"\/products\/astralpool-hurlcon-vx7-genuine-chlorinator-electrode-21916\"\u003ebuy here\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVX9 \/ E35\u003c\/strong\u003e: complete cell 21907 (\u003ca href=\"\/products\/genuine-astralpool-e35-cells-salt-chlorinator-cell-electrode\"\u003ebuy here\u003c\/a\u003e) or electrode 21917 (\u003ca href=\"\/products\/astralpool-hurlcon-vx9-e35-genuine-chlorinator-electrode-21917\"\u003ebuy here\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVX11\u003c\/strong\u003e: complete cell 21908 (\u003ca href=\"\/products\/astralpool-hurlcon-vx11-genuine-chlorinator-cell-electrode-21908-21918\"\u003ebuy here\u003c\/a\u003e) or electrode 21918 (\u003ca href=\"\/products\/astralpool-hurlcon-vx11-genuine-chlorinator-electrode-21918\"\u003ebuy here\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eViron \/ EQ \/ Halo 18g\u003c\/strong\u003e: complete cell 12905 (\u003ca href=\"\/products\/astralpool-viron-eq-halo-18g-genuine-chlorinator-cell-electrode-12905-12915\"\u003ebuy here\u003c\/a\u003e) or electrode 12915 (\u003ca href=\"\/products\/astralpool-viron-eq-halo-18g-genuine-chlorinator-electrode-12915\"\u003ebuy here\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eViron \/ EQ \/ Halo 25g\u003c\/strong\u003e: complete cell 12906 (\u003ca href=\"\/products\/astralpool-viron-eq-halo-25g-genuine-chlorinator-cell-electrode-12906-12916\"\u003ebuy here\u003c\/a\u003e) or electrode 12916 (\u003ca href=\"\/products\/astralpool-viron-eq-halo-25g-genuine-chlorinator-electrode-12916\"\u003ebuy here\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eViron \/ EQ \/ Halo 35g\u003c\/strong\u003e: complete cell 12907 (\u003ca href=\"\/products\/astralpool-viron-eq-halo-35g-genuine-chlorinator-cell-electrode-12907-12917\"\u003ebuy here\u003c\/a\u003e) or electrode SP12917 (\u003ca href=\"\/products\/astralpool-viron-eq-halo-35g-genuine-chlorinator-electrode-sp12917\"\u003ebuy here\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eViron \/ EQ \/ Halo 45g\u003c\/strong\u003e: complete cell 12908F (\u003ca href=\"\/products\/astralpool-viron-eq-halo-45g-genuine-chlorinator-cell-electrode-12908-12918\"\u003ebuy here\u003c\/a\u003e) or electrode 12918 (\u003ca href=\"\/products\/astralpool-viron-eq-halo-45g-genuine-chlorinator-electrode-12918\"\u003ebuy here\u003c\/a\u003e)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eSee the full range of \u003ca href=\"\/collections\/genuine-astralpool-zodiac-chlorinator-cells-electrodes\"\u003egenuine Astralpool and Zodiac chlorinator cells and electrodes\u003c\/a\u003e.\u003c\/p\u003e\u003ch3\u003eComplete Cell or Electrode Only? (rule CELL-1.0)\u003c\/h3\u003e\u003cp\u003eThis listing is the \u003cstrong\u003ecomplete cell, 21905\u003c\/strong\u003e: the electrode plus the clear housing it sits inside. The \u003cstrong\u003eelectrode\u003c\/strong\u003e is the plate stack that wears out. The \u003cstrong\u003ehousing\u003c\/strong\u003e does not wear, it fails. Check yours before you order:\u003c\/p\u003e\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnscrew the cell nut and withdraw the electrode.\u003c\/strong\u003e Look at the plates. Flaking, bare grey titanium, or heavy pitting means the electrode is finished.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHold the empty housing up to the light.\u003c\/strong\u003e If it is clear, uncracked, not crazed and the sealing faces are smooth, keep it. You do not need this complete cell: order the \u003cstrong\u003eelectrode only, 21915\u003c\/strong\u003e instead (\u003ca href=\"\/products\/astralpool-hurlcon-vx6-e25-genuine-chlorinator-electrode-21915\"\u003ebuy here\u003c\/a\u003e) and save the difference.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIf the housing is cracked, crazed, milky, brittle or weeping at the unions\u003c\/strong\u003e, this complete cell is the part you need. A cracked housing will not seal against a new electrode.\u003c\/li\u003e\n\u003c\/ol\u003e\u003cp\u003eReplace the cell o-ring either way. It is a few dollars and it is the usual cause of a leak after a cell change.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e 21905 (supersedes 20905)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupplied as:\u003c\/strong\u003e complete cell, electrode and housing together\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectrode only version:\u003c\/strong\u003e 21915 (\u003ca href=\"\/products\/astralpool-hurlcon-vx6-e25-genuine-chlorinator-electrode-21915\"\u003ebuy here\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlates:\u003c\/strong\u003e 7 solid plates\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlate length:\u003c\/strong\u003e 100mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Self-cleaning, reverse-polarity\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Astralpool (formerly Hurlcon), a Fluidra brand\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eChlorine output is set by the chlorinator's power supply, not by the electrode alone. The same cell produces a different gram-per-hour figure in a VX6 than in an E25, which is why published output figures for this part vary between sellers. Match on chlorinator model, not on a gram rating.\u003c\/em\u003e\u003c\/p\u003e\u003ch3\u003eWarranty: 3 Years on VX, 2 Years on E-Series\u003c\/h3\u003e\u003cp\u003eIt is the same physical part either way, but \u003cstrong\u003eAstralpool warrants it differently depending on which chlorinator it is fitted to\u003c\/strong\u003e. Per the current Astralpool express warranty schedule, effective 1 February 2026:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitted to a VX chlorinator\u003c\/strong\u003e (VX6, VX6S, VX6T, VX6TL), \u003cstrong\u003e3 years\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitted to an E-Series chlorinator\u003c\/strong\u003e (E25), \u003cstrong\u003e2 years\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eMost sellers quote a single flat figure for this part. That is not what the manufacturer's schedule actually says.\u003c\/p\u003e\u003ch3\u003eWarranty Conditions Worth Knowing\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIt must be bought from a Fluidra Authorised Dealer.\u003c\/strong\u003e Astralpool's express warranty only applies to product purchased from an authorised dealer. We are one. A cell bought from an unauthorised online seller may not be covered at all, which is worth weighing against a cheaper listing elsewhere.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCover starts 30 days after the date of purchase\u003c\/strong\u003e to allow for installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResidential single-dwelling pools.\u003c\/strong\u003e Cells used at hotels, swim schools, rehabilitation centres, apartment or townhouse complexes and other multi-dwelling or commercial sites are covered for \u003cstrong\u003e1 year\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater chemistry is a condition.\u003c\/strong\u003e Cover assumes water balanced to AS 3633, pH held between 7.2 and 7.8, and free chlorine not exceeding 4ppm. Damage from scaling or corrosion caused by out-of-balance water is excluded. Keep your test results.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRegister the product with myFluidra\u003c\/strong\u003e using the serial number and proof of purchase.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFull details on our \u003ca href=\"\/pages\/warranty\"\u003ewarranty information page\u003c\/a\u003e.\u003c\/p\u003e\u003ch3\u003eWhy the Warranty Is Better Here\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eWe are an \u003cstrong\u003eauthorised Astralpool, Hurlcon and Fluidra dealer and warranty agent\u003c\/strong\u003e, so buying from us satisfies the authorised-dealer condition on its own.\u003c\/li\u003e\n\u003cli\u003eClaims are \u003cstrong\u003eassessed and handled by us in-house\u003c\/strong\u003e, not bounced to a supplier who bounces you to the manufacturer.\u003c\/li\u003e\n\u003cli\u003eOur team includes \u003cstrong\u003eex-Astralpool and ex-Hurlcon technicians\u003c\/strong\u003e who built and serviced these chlorinators.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eGenuine Only, And Why That Matters\u003c\/h3\u003e\u003cp\u003eThe replacement cell market is full of \u003cstrong\u003eaftermarket, generic and copy\u003c\/strong\u003e electrodes, often listed so they look like the real thing. Non-genuine cells typically use a \u003cstrong\u003elighter titanium substrate\u003c\/strong\u003e and a \u003cstrong\u003elower-grade mixed-metal-oxide coating\u003c\/strong\u003e, which wears through early and drops chlorine output well before the promised life. Fitting a non-genuine part can also affect cover on the chlorinator itself. If a genuine cell is advertised well below the going rate, it is worth asking what is actually being sent.\u003c\/p\u003e\u003ch3\u003eRelated Parts\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e78104\u003c\/strong\u003e: cell body o-ring for the Astralpool VX \/ E-Series \/ Viron range. Replace whenever the cell is opened (\u003ca href=\"\/products\/astral-65mm-oring\"\u003ebuy here\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e70390\u003c\/strong\u003e: cell nut, E-Series \/ VX \/ Viron \/ eQuilibrium (\u003ca href=\"\/products\/astral-pool-e-series-vx-viron-viron-equilibrium-cell-nut-70390-genuine-chlorinator-spare-part\"\u003ebuy here\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e70570\u003c\/strong\u003e: external clear cell body, if you need the housing on its own. Check the fitment list on that page against your model (\u003ca href=\"\/products\/astralpool-hurlcon-cell-body-vx-e-series-eq-halo-filtrite\"\u003ebuy here\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e70391\u003c\/strong\u003e: cell cap, VX \/ E-Series \/ EQ \/ Filtrite (\u003ca href=\"\/products\/astralpool-hurlcon-cell-cap\"\u003ebuy here\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e21915\u003c\/strong\u003e: the electrode on its own, for when the housing is sound and only the plates are worn (\u003ca href=\"\/products\/astralpool-hurlcon-vx6-e25-genuine-chlorinator-electrode-21915\"\u003ebuy here\u003c\/a\u003e)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhen to Replace\u003c\/h3\u003e\u003cp\u003eReplace the electrode when the chlorinator reports low output or a low-salt fault that persists after the salt level is confirmed correct, when the plates show bare titanium or flaking coating, or when chlorine production has clearly fallen off with balanced water. Scale on the plates is not failure. A scaled cell often recovers after cleaning. Check for scale before condemning a cell, particularly in hard-water areas.\u003c\/p\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eDoes this include the housing?\u003c\/strong\u003e\u003cbr\u003eYes. 21905 is the complete cell: the electrode and the clear housing supplied together. If your existing housing is sound, you only need the electrode, 21915.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the VX6 cell fit an E25?\u003c\/strong\u003e\u003cbr\u003eYes. The VX6 and E25 use the same cell. Astralpool's E25 is the successor to the Hurlcon VX6 and shares the electrode.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill this fit a VX7, VX9 or VX11?\u003c\/strong\u003e\u003cbr\u003eNo. VX7 uses 21906 or 21916, VX9 and E35 use 21907 or 21917, and VX11 uses 21908 or 21918. Ordering by series number alone is the most common mistake.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow many plates does the VX6 \/ E25 cell have?\u003c\/strong\u003e\u003cbr\u003eSeven solid plates, 100mm long.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow long is the warranty on this cell?\u003c\/strong\u003e\u003cbr\u003eThree years if it is fitted to a VX chlorinator, two years if it is fitted to an E-Series chlorinator, per Astralpool's express warranty schedule effective 1 February 2026. Cover begins 30 days after purchase. Commercial and multi-dwelling installations are covered for one year.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the warranty apply no matter where I buy the cell?\u003c\/strong\u003e\u003cbr\u003eNo. Astralpool's express warranty only applies to product purchased from a Fluidra Authorised Dealer. We are an authorised dealer and warranty agent, so buying here satisfies that condition.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eMy cell arrived with a grey surround, not clear. Is it genuine?\u003c\/strong\u003e\u003cbr\u003eYes. Astralpool changed the surround and genuine cells now ship in either black or grey. The current housing design fits both old and new chlorinator bodies.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs this a genuine Astralpool part?\u003c\/strong\u003e\u003cbr\u003eYes. We are an authorised Astralpool and Fluidra dealer and warranty agent, and this is the genuine part. We do not sell aftermarket or copy electrodes.\u003c\/p\u003e\u003ch3\u003eManufacturer Catalogues, Diagrams \u0026amp; Part Numbers\u003c\/h3\u003e\u003cp\u003eNeed exploded views, spare part numbers, product numbers or diagrams? See the manufacturer catalogue: \u003ca href=\"https:\/\/hasp.com.au\/pages\/Astralpool_Catalogue_2026\"\u003eAstralpool Catalogue 2026\u003c\/a\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBefore ordering:\u003c\/strong\u003e confirm this part is correct for your equipment. Use the catalogue above, seek professional assistance, or \u003ca href=\"mailto:shop@hasp.com.au\"\u003econtact us\u003c\/a\u003e with photos of your existing part, model details, serial numbers and any labels. As with all products, this must be diagnosed and fitted by a qualified and experienced person.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eCommon search terms: Astralpool 21905, complete cell with housing, Hurlcon VX6 cell, VX6T cell, E25 chlorinator cell, Hurlcon 6 Series cell, 7 plate salt cell, genuine Astral chlorinator cell, WWDG SpaPro.\u003c\/em\u003e\u003c\/p\u003e\u003c!-- HASP-FLP-1.0 end | canary: vx6-complete-split --\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Does this include the housing?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. 21905 is the complete cell: the electrode and the clear housing supplied together. If your existing housing is sound, you only need the electrode, 21915.\"}}, {\"@type\": \"Question\", \"name\": \"Does the VX6 cell fit an E25?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. The VX6 and E25 use the same cell. Astralpool's E25 is the successor to the Hurlcon VX6 and shares the electrode.\"}}, {\"@type\": \"Question\", \"name\": \"Will this fit a VX7, VX9 or VX11?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. VX7 uses 21906 or 21916, VX9 and E35 use 21907 or 21917, and VX11 uses 21908 or 21918. Ordering by series number alone is the most common mistake.\"}}, {\"@type\": \"Question\", \"name\": \"How many plates does the VX6 \/ E25 cell have?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Seven solid plates, 100mm long.\"}}, {\"@type\": \"Question\", \"name\": \"How long is the warranty on this cell?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Three years if it is fitted to a VX chlorinator, two years if it is fitted to an E-Series chlorinator, per Astralpool's express warranty schedule effective 1 February 2026. Cover begins 30 days after purchase. Commercial and multi-dwelling installations are covered for one year.\"}}, {\"@type\": \"Question\", \"name\": \"Does the warranty apply no matter where I buy the cell?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. Astralpool's express warranty only applies to product purchased from a Fluidra Authorised Dealer. We are an authorised dealer and warranty agent, so buying here satisfies that condition.\"}}, {\"@type\": \"Question\", \"name\": \"My cell arrived with a grey surround, not clear. Is it genuine?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. Astralpool changed the surround and genuine cells now ship in either black or grey. The current housing design fits both old and new chlorinator bodies.\"}}, {\"@type\": \"Question\", \"name\": \"Is this a genuine Astralpool part?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. We are an authorised Astralpool and Fluidra dealer and warranty agent, and this is the genuine part. We do not sell aftermarket or copy electrodes.\"}}]}\u003c\/script\u003e","brand":"Astralpool","offers":[{"title":"Default Title","offer_id":44914723455165,"sku":"21905","price":1155.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0372\/5253\/files\/21905-astralpool-hurlcon-vx6-e25-genuine-salt-chlorinator-cell-complete-cells-199.webp?v=1792958948","url":"https:\/\/hasp.com.au\/products\/genuine-astralpool-e25-cells-salt-chlorinator-cell-electrode","provider":"Heater and Spa Parts","version":"1.0","type":"link"}