{"product_id":"davey-spaquip-50mm-union","title":"Davey SpaQuip 50mm Barrel Union - Spapower, Silensor, Maxiflow, Nipper, Hayward","description":"\u003ch3\u003eDavey Spa-quip (SpaQuip) 50mm Barrel Union - Spapower, Silensor, Maxiflow, Nipper, Hayward\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003cstrong\u003ePhysically Stocked, 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\u003cdiv class=\"product-description\"\u003e\n\u003cp\u003e\u003cstrong\u003eDavey \/ Spa-quip \/ Hayward \/ Piranha 50mm Coarse-Thread Barrel Union Assembly (Nut + Tail + O-ring) - \u003c\/strong\u003e50mm barrel union plumbing fitting with \u003cstrong\u003ecoarse threads\u003c\/strong\u003e. Supplied as a complete set: \u003cstrong\u003eunion nut + tail + 50mm O-ring\u003c\/strong\u003e. These have been coloured black, red, white.\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eDavey \/ Spa-quip\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003eDavey \u0026amp; Spa-quip spa control systems (heater unions)\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpa Power controllers:\u003c\/strong\u003e SP600, SP601, SP750, SP800, SP1000, SP1200, SP2000\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpaPower 600, 601, 750, 800, 1000, 1200 \u003c\/strong\u003econtrol systems (heater tube unions)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDavey \u0026amp; Maxiflow pumps\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSilensor:\u003c\/strong\u003e SLL300, SLL400\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePowerMaster 3-phase:\u003c\/strong\u003e PM4503\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePowerMaster Variable:\u003c\/strong\u003e PM400V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProMaster VSD:\u003c\/strong\u003e PM400PV, PM400BV\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Master Eco:\u003c\/strong\u003e Power Master Eco models using the same 50mm coarse-thread union style\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaxi-Flow\u003c\/strong\u003e pumps (50mm coarse-thread union style)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDavey chlorinators \/ automation\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eChloroMatic Nipper:\u003c\/strong\u003e DNP15C, DNP25C, DNP35C, DNP15CLS, DNP25CLS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProMatic chlorinator:\u003c\/strong\u003e 48722BSP barrel union assembly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLifeguard system (AU\/NZ):\u003c\/strong\u003e 48722BSP barrel union assembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDavey filters\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCommonly used where Davey equipment is plumbed with this 50mm coarse-thread union standard.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDavey Easy Clear\u003c\/strong\u003e \u0026amp; \u003cstrong\u003eDavey Crystal Clear\u003c\/strong\u003e (Easyclear \/ Crystalclear) - check nut measurements.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eDavey \/ Spa Quip Associated Part Numbers:\u003c\/strong\u003e Q5114BK-SET (Q5112 + Q5114BK-10 + Q5113BK), 48722BSP, 48722, 48722b, 48722b-1, 48722bsp\u003c\/p\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003eHayward\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003eHayward pumps\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eSuper Pump II\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHayward Filters\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSP0715, SP0716, S244T2C, S270T2C, S310T2C, S360T2C, S244S, S310S, S360,\u003c\/li\u003e\n\u003cli\u003eDE2420, DE3620, DE4820, DE6020, DE7220 --\u003cstrong\u003e valve size check:\u003c\/strong\u003e SP0715XR50 (2\")\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHayward part numbers associated\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSP24X50AUUNPAK\u003c\/li\u003e\n\u003cli\u003e20-SP50RPAUUNPK\u003c\/li\u003e\n\u003cli\u003e20-SP50RPAUUNPAK\u003c\/li\u003e\n\u003cli\u003eSP50RPT\u003c\/li\u003e\n\u003cli\u003eUN5050 \/ SP50RPAUUNPAK\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan style=\"text-decoration: underline;\"\u003ePiranha\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePumps:\u003c\/strong\u003e Piranha spa jet pumps \u0026amp; 2-speed pumps (50mm coarse-thread union style)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003c!-- SEO \/ AI enhancement block (add below your existing description) --\u003e\n\u003cdiv class=\"product-description\"\u003e\n\u003ch3\u003eQuick ID guide (avoid ordering the wrong union)\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 50mm aka 2\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePipe sizing note:\u003c\/strong\u003e Australian\/New Zealand \u003cstrong\u003e50mm pressure PVC pipe\u003c\/strong\u003e measures approximately \u003cstrong\u003e~60-61mm outside diameter (OD)\u003c\/strong\u003e, so don’t size this union by OD alone.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread:\u003c\/strong\u003e Coarse Buttress - 4.23mm pitch (FBT\/MBT)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e union nut + tail + 50mm O-ring\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions: \u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePipe Size: 50mm Pressure PVC (nominal) with outside diameter approx ~60-61mm\u003c\/li\u003e\n\u003cli\u003eThread Diameter: Inner: ~75mm \/ Outer: ~79-80mm\u003c\/li\u003e\n\u003cli\u003eNumber of Threads: 4-5\u003c\/li\u003e\n\u003cli\u003eO-ring Size: ~69mm OD x ~5mm cross section. (often flatten with age). \u003ca href=\"https:\/\/heaterandspaparts.com.au\/products\/davey-spaquip-50mm-oring\" rel=\"noopener\" target=\"_blank\"\u003eOring listed here.\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCommon symptoms this part solves\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eUnion won’t tighten properly (stripped or cracked nut)\u003c\/li\u003e\n\u003cli\u003ePersistent drip at the union (flattened\/damaged 50mm O-ring)\u003c\/li\u003e\n\u003cli\u003eHairline cracks in the tail or union face causing leaks\u003c\/li\u003e\n\u003cli\u003eUnion threads damaged from over-tightening or cross-threading\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoarse-thread vs fine-thread:\u003c\/strong\u003e there are multiple 50mm unions in the market. This listing is for the \u003cstrong\u003ecoarse-thread\u003c\/strong\u003e style.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHayward DE filters:\u003c\/strong\u003e confirm you have the \u003cstrong\u003eSP0715XR50 (2\")\u003c\/strong\u003e valve if matching the DE filter models listed above.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePowerMaster Eco:\u003c\/strong\u003e some variants use different union configurations, so match the union style on your pump if unsure.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003ch3\u003eMay also be called - aka Search Terms\u003c\/h3\u003e\n\u003cp\u003eSpa Power 601 union, Spa Power 800 union, Spa Power 1000 union, Spa Power 1200 union, Spa Power 2000 union, SP601 union, SP800 union, SP1000 union, SP1200 union, SP2000 union, Maxiflo union, Hayward union, Piranha union, Spa-quip union, Spa-quip barrel union, Power Master union, WWDG PMHP Union, heater union, 50mm coarse thread union.\u003c\/p\u003e\n\u003cp\u003e50mm barrel union, 50mm pump union, 50mm heater union, coarse thread union, Spa-quip union, Spa Power union, Davey 48722B union, 48722BSP union, Q5114BK-SET union, Hayward SP0715 union, Hayward SP0716 union, Super Pump II union, SpaPro Pump Union, Maxiflow union, Piranha pump union, 2\" union nut tail o-ring set, union tailpiece, union O-ring 50mm, 50mm PVC pipe OD 61mm.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Davey","offers":[{"title":"Default Title","offer_id":35430752518300,"sku":"48722BSP (Q5114BK-SET (Q5112 + Q5114BK-10 + Q5113BK))","price":32.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0372\/5253\/files\/davey-spaquip-50mm-barrel-union-spapower-silensor-maxiflow-nipper-hayward-plumbing-fittings-406.webp?v=1772662509","url":"https:\/\/heaterandspaparts.com.au\/en-nz\/products\/davey-spaquip-50mm-union","provider":"Heater and Spa Parts","version":"1.0","type":"link"}