{"product_id":"o-ring-for-air-relief-valve-stem","title":"Hayward O-Ring for Air Relief Valve Stem, Set of 3","description":"\u003cp\u003eHayward DEX2400Z3A is the o-ring set for the air relief valve stem, supplied as a set of 3. It is the genuine Hayward part.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eThe failure it fixes\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe air relief valve is opened and closed every time the filter is serviced, and the stem o-rings take that wear along with heat and chlorinated water. When they harden or split, the valve leaks with the handle closed. Water spits or sprays from the top of the filter while the pump runs, which owners often mistake for a cracked manifold or a failing tank.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWide coverage\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eHayward uses the same stem seal across several filter families: the Pro Series side mount sand filters, the Super Star Clear cartridge filters in both standard and stainless housings, and the Micro Clear DE filters. That is why the same small o-ring set turns up as the answer on so many different filters.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBefore you start\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eShut the system down and relieve the pressure before removing the stem. A filter under pressure will not let go of the assembly safely.\u003c\/p\u003e","brand":"Hayward","offers":[{"title":"Default Title","offer_id":48633703563476,"sku":"HAY-051-9392","price":18.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_de5d6498-a1e9-46fc-be8e-fda3e8924d98.png?v=1788812092","url":"https:\/\/www.activepoolsupply.com\/products\/o-ring-for-air-relief-valve-stem","provider":"Active Pool Supply","version":"1.0","type":"link"}