{"product_id":"hayward-spx4000sav-pump-viton-shaft-seal","title":"Hayward Viton Shaft Seal Assembly, SPX4000SAV","description":"\u003cp\u003eThe Hayward SPX4000SAV is a genuine shaft seal assembly built with Viton, supplied as a complete matched set. It is the seal that keeps pumped water on the wet side of the pump and off the motor.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy Viton\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe difference between this and a standard seal is the elastomer. Viton holds up better against heat and against aggressive water chemistry, which makes it the sensible choice on installations where standard seals have not been lasting, or where the pump sees conditions harder than a typical residential pool.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eThe failure to catch early\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eA shaft seal announces itself as water dripping from between the pump housing and the motor. It is tempting to ignore a slow drip, but that water runs along the shaft toward the motor bearings. What starts as an inexpensive seal ends as a motor, and quite quickly. Most seals fail because the pump ran dry at some point, since the seal faces rely on water for both lubrication and cooling.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFitting it\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eA mechanical seal is a lapped pair and is replaced as a pair, which is how it is supplied. Keep the polished faces clean and do not touch them during assembly. A fingerprint or a grain of sand on a seal face is enough to make a brand new seal weep from the first day.\u003c\/p\u003e","brand":"Hayward","offers":[{"title":"Default Title","offer_id":48634549666004,"sku":"HAY-101-1645","price":55.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/SPX4000SAV_hayward_seal.jpg?v=1788834152","url":"https:\/\/www.activepoolsupply.com\/products\/hayward-spx4000sav-pump-viton-shaft-seal","provider":"Active Pool Supply","version":"1.0","type":"link"}