{"product_id":"comp-bag-eca-bolt-nut-a-key","title":"Astralpool Clamp Band Bolt, Nut \u0026 Allen Key Kit - ECA550, ECA650 Filter - 78399","description":"\u003ch3\u003eAstralpool Clamp Band Bolt, Nut \u0026amp; Allen Key Kit - ECA550, ECA650 Filter - 78399\u003c\/h3\u003e\n\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\n\u003cp\u003eReplacement fastener kit for the tank clamp band on Astralpool ECA series sand filters. Supplies the clamp band bolt and nut plus the allen key needed to tighten it. Listed by Fluidra as a component bag, part 78399.\u003c\/p\u003e\n\u003cp\u003eThis is the hardware that draws the clamp band tight around the tank lid joint. The bolt is the part that corrodes, seizes or strips first, and the allen key is the part most often lost.\u003c\/p\u003e\n\u003ch3\u003eThis Kit Is the Fasteners Only - Not the Clamp Band\u003c\/h3\u003e\n\u003cp\u003e78399 supplies the bolt, nut and allen key. It does not include the clamp band itself, the tank lid, or the lid O-ring. Work out which part has actually failed before ordering:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBolt corroded, seized or stripped, or the allen key is missing\u003c\/strong\u003e - this kit, part 78399.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClamp band itself is cracked, distorted or has let go\u003c\/strong\u003e - you need the complete band: \u003ca href=\"\/products\/clamp-band-eca-complete\"\u003eClamp Band ECA Complete 77730\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClamp is intact and correctly tightened but water still weeps from the lid joint\u003c\/strong\u003e - that is normally the lid seal: \u003ca href=\"\/products\/o-ring-eca-ebric-lid-green\"\u003eO-Ring ECA Lid Green 7201750057\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSand or media returning to the pool\u003c\/strong\u003e - the fault is inside the tank, not at the clamp. See the laterals and hub listed below.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIf you are not sure, send us a photo of your clamp band and filter model label and we will confirm which part you need.\u003c\/p\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAstralpool ECA550 media filter\u003c\/li\u003e\n\u003cli\u003eAstralpool ECA650 media filter\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis kit is specific to the ECA series clamp band. It is not the hardware used on CA series filters, which use a different lock nut arrangement, and it is not for EC series filters. Check your filter model label before ordering.\u003c\/p\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eClamp band bolt\u003c\/li\u003e\n\u003cli\u003eClamp band nut\u003c\/li\u003e\n\u003cli\u003eAllen key to suit\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePart number: 78399\u003c\/li\u003e\n\u003cli\u003eFits: Astralpool ECA550, ECA650\u003c\/li\u003e\n\u003cli\u003eFunction: tank clamp band fastener kit\u003c\/li\u003e\n\u003cli\u003eBarcode: 9343609020842\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSafety\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAlways shut down the pump and fully release system pressure at the filter's manual air bleed before loosening or removing the clamp band.\u003c\/li\u003e\n\u003cli\u003eNever run the filter with a cracked band, a damaged bolt, or missing clamp hardware. The lid joint is a pressure joint.\u003c\/li\u003e\n\u003cli\u003eReplace corroded fasteners rather than over-tightening them. Over-tightening distorts the band and does not fix a leaking lid seal.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eRelated ECA Filter Parts\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/clamp-band-eca-complete\"\u003eClamp Band ECA Complete - 77730\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/o-ring-eca-ebric-lid-green\"\u003eO-Ring ECA \/ Cantabric Lid, Green - 7201750057\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/hub-eca-ca-model-media-fil\"\u003eHub, ECA \u0026amp; CA Media Filter - 77712\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/lateral-175mm-eca-ca-pair\"\u003eLateral 175mm ECA \/ CA, Pair - 77756\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/eca-550-hub-laterals-s-pipe\"\u003eECA550 Hub, Laterals \u0026amp; Stand Pipe - 77751\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/eca-650-hub-laterals-s-pipe\"\u003eECA650 Hub, Laterals \u0026amp; Stand Pipe - 77752\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/drainage-plug-cap-ca-eca-fil\"\u003eDrainage Plug Cap, CA \/ ECA - 77717\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/mpv-40mm-eca-filter\"\u003eMultiport Valve 40mm ECA550 \/ ECA650 - 76036\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/comp-bag-40mm-eca-multiport\"\u003eComponent Bag 40mm ECA Multiport - 78355\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes 78399 include the clamp band?\u003c\/strong\u003e\u003cbr\u003eNo. This kit is the bolt, nut and allen key only. If the band itself is cracked or distorted you need part 77730, the complete ECA clamp band.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMy filter lid is leaking. Will this kit fix it?\u003c\/strong\u003e\u003cbr\u003eOnly if the leak is caused by a bolt that will no longer tighten. If the clamp is sound and correctly tightened and the joint still weeps, the lid O-ring 7201750057 is the more likely fix.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill this fit an Astralpool CA or EC series filter?\u003c\/strong\u003e\u003cbr\u003eNo. This kit is for the ECA series clamp band. CA models use a different lock nut arrangement. Check your filter's model label, and contact us with a photo if you are unsure.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy does the kit include an allen key?\u003c\/strong\u003e\u003cbr\u003eThe ECA clamp band bolt takes a hex drive. The key is supplied so the clamp can be tightened correctly without hunting for the right size.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I just use a hardware store bolt instead?\u003c\/strong\u003e\u003cbr\u003eWe do not recommend it. The clamp band secures a pressure joint, and the genuine fastener is specified for that duty and for the corrosive poolside environment.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eManufacturer Catalogues, Diagrams \u0026amp; Part Numbers:\u003c\/span\u003e\u003c\/strong\u003e Need exploded views, spare part numbers, product numbers, diagrams, or more product information? See the manufacturer catalogues below.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e \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\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eImportant Before Ordering:\u003c\/span\u003e\u003c\/strong\u003e Please ensure you order correctly. Confirm this product is suitable before ordering. Use the catalogues 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.\u003c\/p\u003e\n\u003cp\u003eAs with all products, these must be diagnosed and fitted by a qualified and experienced person.\u003c\/p\u003e\n\u003chr\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@graph\": [\n    {\n      \"@type\": \"FAQPage\",\n      \"mainEntity\": [\n        {\n          \"@type\": \"Question\",\n          \"name\": \"Does Astralpool part 78399 include the clamp band?\",\n          \"acceptedAnswer\": { \"@type\": \"Answer\", \"text\": \"No. Part 78399 is the clamp band bolt, nut and allen key only. If the band itself is cracked or distorted, the complete ECA clamp band is part 77730.\" }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"My Astralpool ECA filter lid is leaking. Will the 78399 kit fix it?\",\n          \"acceptedAnswer\": { \"@type\": \"Answer\", \"text\": \"Only if the leak is caused by a bolt that will no longer tighten. If the clamp band is sound and correctly tightened and the lid joint still weeps, the lid O-ring, part 7201750057, is the more likely fix.\" }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"Will the 78399 clamp band kit fit an Astralpool CA or EC series filter?\",\n          \"acceptedAnswer\": { \"@type\": \"Answer\", \"text\": \"No. Part 78399 suits the ECA series clamp band used on ECA550 and ECA650 filters. CA series models use a different lock nut arrangement.\" }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"Why does the Astralpool 78399 kit include an allen key?\",\n          \"acceptedAnswer\": { \"@type\": \"Answer\", \"text\": \"The ECA clamp band bolt uses a hex drive, so an allen key of the correct size is supplied with the kit to allow the clamp to be tightened properly.\" }\n        }\n      ]\n    },\n    {\n      \"@type\": \"HowTo\",\n      \"name\": \"How to replace the clamp band bolt on an Astralpool ECA sand filter\",\n      \"description\": \"Replace a corroded or stripped tank clamp band bolt and nut on an Astralpool ECA550 or ECA650 media filter using part 78399.\",\n      \"tool\": [ { \"@type\": \"HowToTool\", \"name\": \"Allen key supplied with part 78399\" } ],\n      \"supply\": [ { \"@type\": \"HowToSupply\", \"name\": \"Astralpool 78399 clamp band bolt, nut and allen key kit\" } ],\n      \"step\": [\n        { \"@type\": \"HowToStep\", \"name\": \"Shut down and depressurise\", \"text\": \"Switch the filter pump off at the isolator and fully release system pressure using the manual air bleed on the filter lid. Do not proceed until pressure has dropped to zero.\" },\n        { \"@type\": \"HowToStep\", \"name\": \"Remove the old fastener\", \"text\": \"Undo the clamp band bolt and nut and withdraw them from the band. Retain the band if it is undamaged.\" },\n        { \"@type\": \"HowToStep\", \"name\": \"Inspect the band and lid seal\", \"text\": \"Check the clamp band for cracks or distortion and inspect the lid O-ring for flattening or splits. Replace either if defective, as a new bolt will not seal a damaged band or seal.\" },\n        { \"@type\": \"HowToStep\", \"name\": \"Fit the new bolt and nut\", \"text\": \"Seat the lid squarely, locate the clamp band evenly around the joint, then fit the new bolt and nut from the kit.\" },\n        { \"@type\": \"HowToStep\", \"name\": \"Tighten evenly\", \"text\": \"Tighten with the supplied allen key until the band is firm and the joint is closed evenly. Do not over-tighten, as this distorts the band.\" },\n        { \"@type\": \"HowToStep\", \"name\": \"Pressure test\", \"text\": \"Restart the pump, bleed trapped air, and check the lid joint for leaks at operating pressure before leaving the equipment unattended.\" }\n      ]\n    }\n  ]\n}\n\u003c\/script\u003e","brand":"FLUIDRA","offers":[{"title":"Default Title","offer_id":46836087193789,"sku":"78399","price":14.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0372\/5253\/files\/astralpool-clamp-band-bolt-nut-allen-key-kit-eca550-eca650-filter-78399-298.webp?v=1786931769","url":"https:\/\/hasp.com.au\/products\/comp-bag-eca-bolt-nut-a-key","provider":"Heater and Spa Parts","version":"1.0","type":"link"}