{"product_id":"o-ring-drain-plug","title":"Pentair O-Ring, Drain Plug","description":"\u003cp\u003eThis is the genuine Pentair drain plug o-ring for the Letro booster pump, the new style seal. Pentair carries it under two numbers, LA375 and O-446, and both point at this part.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat it seals\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe drain plug at the bottom of the booster pump volute. That plug comes out at every winterization and goes back in every spring, and its rubber o-ring is what stops water passing the threads.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eThe symptom\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eA slow drip or a wet patch under the pump that will not stop no matter how hard the plug is tightened. Once the o-ring has hardened and taken a permanent set, extra torque only cracks the plug or the housing. A fresh seal is the fix.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFitting\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eWipe the seat clean, put a thin film of silicone lubricant on the new o-ring, and hand tighten the plug. It does not need to be forced.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48627687391444,"sku":"LET-201-2360","price":4.12,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_0a5e341b-fc17-4f51-ac15-785617236d8c.png?v=1788726606","url":"https:\/\/www.activepoolsupply.com\/products\/o-ring-drain-plug","provider":"Active Pool Supply","version":"1.0","type":"link"}