{"product_id":"bell-gossett-189577lf-seal-kit-for-pl-55-and-pl-55b-pumps","title":"Bell \u0026 Gossett 189577LF Seal Kit for PL-55 and PL-55B Pumps","description":"\u003cp\u003eMaintain peak operating efficiency in your hydronic circulation system with the \u003cstrong\u003e189577LF\u003c\/strong\u003e seal kit designed specifically for \u003cstrong\u003eBell \u0026amp; Gossett PL-55 and PL-55B\u003c\/strong\u003e pumps. This essential repair component ensures a watertight seal, preventing fluid loss and protecting the pump motor from internal damage caused by chronic leaking.\u003c\/p\u003e\u003cp\u003eThis seal kit assembly functions by creating a precise mechanical interface between the stationary and rotating components of the pump shaft. By replacing worn-out seals, you eliminate suction air leaks and liquid bypass, which are common culprits for reduced system head pressure and premature seal failure in residential and commercial circulators.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Pump Reliability:\u003c\/strong\u003e Prevents premature failure by maintaining optimal internal pressure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFluid Integrity:\u003c\/strong\u003e High-grade materials resist chemical degradation in hydronic heating and cooling applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy Maintenance:\u003c\/strong\u003e Designed for streamlined field replacement to minimize system downtime.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Ideal for scheduled preventative maintenance of Bell \u0026amp; Gossett PL series circulators, residential hydronic heating systems, and commercial boiler loop circulation.\u003c\/p\u003e","brand":"Bell \u0026 Gossett","offers":[{"title":"Default Title","offer_id":43127571447902,"sku":"189577LF","price":164.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/189577LF_image_8084df5d-302c-48c5-b237-5026761d23e0.png?v=1786054764","url":"https:\/\/nationalboilersupply.com\/products\/bell-gossett-189577lf-seal-kit-for-pl-55-and-pl-55b-pumps","provider":"National Boiler Supply","version":"1.0","type":"link"}