{"product_id":"impeller-diffuser-kit-2-1-2-max-rated-2-hp-full-rate","title":"Hayward Super II Impeller\/Diffuser Kit, 2-1\/2 Max Rated, 2 HP Full Rate","description":"\u003cp\u003eHayward SPX3020CKIT pairs the impeller and the diffuser for Super II pumps rated 2 HP full rate or 2-1\/2 HP max rate. It is the genuine Hayward kit for that wet end.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy they are sold together\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe impeller runs inside the diffuser at a close clearance, and that clearance is what turns motor speed into pressure. Both parts wear. Fitting a new impeller into a diffuser that is already worn opens the gap back up and gives you only some of the flow you were after, so Hayward supplies the two as a kit.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCheck before ordering\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eSuper II pumps come in several ratings and the impeller is specific to each. Read the horsepower and whether the pump is full rated or max rated off the motor plate. Hayward lists this kit for Super II pumps built in 1989.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat you should see afterwards\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFlow at the returns comes back, filter pressure returns to a normal clean reading, and the pump stops working hard for less water.\u003c\/p\u003e","brand":"Hayward","offers":[{"title":"Default Title","offer_id":48625789960404,"sku":"HAY-101-3035","price":74.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_9f5096ae-44f5-4a8e-9aa2-d9a88cc6a3af.jpg?v=1788700115","url":"https:\/\/www.activepoolsupply.com\/products\/impeller-diffuser-kit-2-1-2-max-rated-2-hp-full-rate","provider":"Active Pool Supply","version":"1.0","type":"link"}