{"product_id":"residential-bioshield-uv-lamp","title":"Pentair 120 Watt Bioshield UV Lamp for Model #522637","description":"\u003cp\u003eThe Pentair 523037 is the 120 watt replacement UV lamp for the residential BioShield UV disinfection sterilizer, model 522637. It is the genuine Pentair lamp.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy lamps get changed on a schedule\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eA UV lamp keeps glowing long after its germicidal output has dropped, so a BioShield that looks like it is working may not be delivering the dose it was designed for. Replacing the lamp on the interval Pentair recommends keeps the system effective.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eMatch the wattage\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eBioShield lamps come in several wattages and they are not interchangeable. This 120 watt lamp is for the 522637. The 522635 uses a 50 watt high output lamp and larger units use a 150 watt lamp, so confirm the model number on your unit before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRelated parts\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe quartz sleeve that houses the lamp, 50.75 in. long for the 522637, is a separate part. If the sleeve is scaled or cracked, replace it with the lamp so the new lamp gets full transmission into the water.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":48624877600980,"sku":"PAC-451-3017","price":201.23,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/9568\/2516\/files\/default_4e13c79b-b7d2-4644-9fb7-3137c0c67ebf.jpg?v=1788648562","url":"https:\/\/www.activepoolsupply.com\/products\/residential-bioshield-uv-lamp","provider":"Active Pool Supply","version":"1.0","type":"link"}