{"product_id":"pentaircollectorhubassemblywc137519ppenwc137519p","title":"Pentair Collector Hub Assembly | WC137-519P","description":"\u003cdiv\u003e\n  \u003ch2\u003ePentair \/ Sta-Rite WC137-519P Collector Hub \u0026amp; Standpipe Assembly for Cristal-Flo T-BP Sand Filter (T-240BP-1)\u003c\/h2\u003e\n\n  \u003cp\u003e\n    The Pentair \/ Sta-Rite WC137-519P is a replacement \u003cstrong\u003ecollector hub and standpipe assembly\u003c\/strong\u003e used inside select\n    Sta-Rite Cristal-Flo \u003cstrong\u003eT-BP series\u003c\/strong\u003e high-rate sand filters. This internal assembly ties the standpipe to the\n    underdrain\/collector system so filtered water is directed correctly back to the pool while keeping filter sand contained in the tank.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eKey Details\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Pentair \/ Sta-Rite\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e WC137-519P\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePart Type:\u003c\/strong\u003e Collector hub \u0026amp; standpipe assembly (internal sand filter component)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePrimary Compatibility:\u003c\/strong\u003e Sta-Rite Cristal-Flo T-BP series sand filter model \u003cstrong\u003eT-240BP-1\u003c\/strong\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCommon Alternate\/Legacy References:\u003c\/strong\u003e 603213, 4684-13B\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eDimensions (Commonly Listed)\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eOverall Length:\u003c\/strong\u003e 26-1\/4\"\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eOverall Height\/Width (approx.):\u003c\/strong\u003e 5-3\/4\" x 5-3\/4\"\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eWhat This Part Does\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eConnects the internal standpipe to the collector hub\/manifold inside the sand filter.\u003c\/li\u003e\n    \u003cli\u003eHelps maintain proper water flow through the sand bed and back into the return line.\u003c\/li\u003e\n    \u003cli\u003eSupports the underdrain system so filter media stays in the tank and does not return to the pool.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eWhen to Replace\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eCracked, broken, or warped hub\/standpipe components found during service\u003c\/li\u003e\n    \u003cli\u003ePersistent sand returning to the pool after confirming the correct sand level and intact laterals\u003c\/li\u003e\n    \u003cli\u003eDamaged internal connection points that prevent the collector\/lateral assembly from sealing correctly\u003c\/li\u003e\n    \u003cli\u003eMajor internal rebuild after freeze damage or impact damage to the filter base components\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eInstallation Notes\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eShut off the pump, relieve pressure, and drain the filter before opening the tank.\u003c\/li\u003e\n    \u003cli\u003eRemove sand as needed to access internal components without stressing the laterals.\u003c\/li\u003e\n    \u003cli\u003eInspect and replace any cracked laterals, worn seals, or damaged internal fittings at the same time to prevent repeat issues.\u003c\/li\u003e\n    \u003cli\u003eReassemble carefully so the standpipe is seated straight and the hub is fully engaged with the collector\/lateral system.\u003c\/li\u003e\n    \u003cli\u003eAfter reassembly, rinse\/flush the system as appropriate and confirm no sand is returning to the pool.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eMaintenance Tip\u003c\/h3\u003e\n  \u003cp\u003e\n    If you ever see sand in the pool, inspect the internal underdrain system promptly. Small cracks in internal parts or laterals can\n    worsen quickly and allow more sand to pass, which can damage heaters, salt cells, and return fittings.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eRelated Products (Aqua Pool Supply)\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=Sta-Rite%20Cristal-Flo%20T-BP%20laterals\"\u003eSta-Rite Cristal-Flo T-BP laterals\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=Sta-Rite%20T-240BP-1%20parts\"\u003eSta-Rite T-240BP-1 replacement parts\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=sand%20filter%20pressure%20gauge\"\u003eSand filter pressure gauges\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=sand%20filter%20drain%20cap\"\u003eSand filter drain caps and plugs\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=pool%20filter%20sand%20%2320\"\u003e#20 grade pool filter sand\u003c\/a\u003e\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n","brand":"Pentair","offers":[{"title":"Default Title","offer_id":52589965836604,"sku":"WC137-519P","price":99.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/3280\/9276\/files\/pentair-collector-hub-assembly-wc137-519p-pool-filter-parts-8155492.jpg?v=1770213923","url":"https:\/\/aquapoolsupply.com\/products\/pentaircollectorhubassemblywc137519ppenwc137519p","provider":"Aqua Pool Supply","version":"1.0","type":"link"}