{"product_id":"hayward-spx1250z4-pump-strainer-cover-knob","title":"Hayward SPX1250Z4 Pump Strainer Cover Knob","description":"\u003cp\u003e\u003cstrong\u003eWhat This Part Is Used For\u003c\/strong\u003e\u003cbr\u003e The Hayward SPX1250Z4 Pump Strainer Cover Knob is a replacement knob used on compatible Hayward pump strainer covers. It allows manual tightening and removal of the pump lid for basket access. \u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWhy This Part Matters\u003c\/strong\u003e\u003cbr\u003e A broken knob makes it difficult to secure the strainer cover properly. Poor lid compression can allow air to enter the pump, leading to loss of prime. Replacing the knob restores proper lid sealing and service access. \u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey Features and Specifications\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eManufacturer part number SPX1250Z4\u003c\/li\u003e \u003cli\u003ePump strainer cover knob\u003c\/li\u003e \u003cli\u003eUsed on compatible Hayward pump lids\u003c\/li\u003e \u003cli\u003eAllows manual tightening of cover\u003c\/li\u003e \u003cli\u003eService replacement part\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eInstallation and Fitment Guidance\u003c\/strong\u003e\u003cbr\u003e Inspect the cover and O-ring before reinstalling with the new knob. Hand tighten firmly without over-torquing. Confirm by manufacturer part number before ordering. \u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eAbout the Hayward Brand\u003c\/strong\u003e\u003cbr\u003e Hayward offers pumps, filters, heaters, automation, cleaners, and salt chlorination systems for residential pools. Their pump components are engineered for reliable circulation performance. Genuine Hayward hardware ensures proper lid compression and sealing. This supports stable pump operation. \u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eCommon Service Context\u003c\/strong\u003e\u003cbr\u003e Technicians replace strainer cover knobs after cracking or thread wear. It is commonly encountered during pump rebuilds or when addressing suction air leaks. \u003c\/p\u003e","brand":"Hayward","offers":[{"title":"Default Title","offer_id":52050162712850,"sku":"SPX1250Z4","price":23.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/2279\/1186\/files\/HPPSPX1250Z4_0.jpg?v=1771892059","url":"https:\/\/www.aquaterrabackyard.com\/products\/hayward-spx1250z4-pump-strainer-cover-knob","provider":"Aqua Terra Backyard","version":"1.0","type":"link"}