{"product_id":"liebert-172147p2s","title":"Liebert 172147P2S Crankcase Heater","description":"\u003cp\u003eThe \u003cstrong\u003eLiebert 172147P2S Crankcase Heater\u003c\/strong\u003e is a critical \u003cstrong\u003eOEM replacement part\u003c\/strong\u003e engineered for high-performance \u003cstrong\u003eprecision cooling systems\u003c\/strong\u003e. Operating at \u003cstrong\u003e480V\u003c\/strong\u003e with a \u003cstrong\u003e90W\u003c\/strong\u003e output, this \u003cstrong\u003eband-style heater\u003c\/strong\u003e is designed to wrap securely around the compressor base, maintaining optimal oil temperature during the off-cycle. By ensuring that the lubricant remains warmer than the rest of the system, it effectively prevents \u003cstrong\u003eliquid refrigerant migration\u003c\/strong\u003e into the crankcase. This eliminates the risk of oil dilution and destructive foaming upon startup, which are leading causes of bearing washout and premature compressor failure in mission-critical \u003cstrong\u003eVertiv Liebert\u003c\/strong\u003e units.\u003c\/p\u003e\n\n\u003cp\u003eDesigned for the rigorous demands of \u003cstrong\u003ethermal management\u003c\/strong\u003e in data center environments, the \u003cstrong\u003e172147P2S\u003c\/strong\u003e features a robust heating element with flexible arms for easy \u003cstrong\u003ecompressor installation\u003c\/strong\u003e in tight spaces. For veteran technicians, this part is essential for maintaining system reliability in cold-start conditions and extending the operational lifespan of \u003cstrong\u003escroll compressors\u003c\/strong\u003e. The 480V configuration ensures direct compatibility with industrial-grade power supplies, providing the thermal inertia required to keep your \u003cstrong\u003eHVACR\u003c\/strong\u003e systems running without interruption.\u003c\/p\u003e\n\n\u003cstrong\u003eKey Benefits:\u003c\/strong\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrevents Refrigerant Migration:\u003c\/strong\u003e Keeps lubricant temperatures above the refrigerant boiling point to avoid oil-refrigerant mixing.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOptimized 480V 90W Performance:\u003c\/strong\u003e Specifically calibrated for high-voltage industrial applications to provide consistent heat transfer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEnsures Proper Lubrication:\u003c\/strong\u003e Protects critical internal components from \"dry starts\" caused by refrigerant-diluted oil.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOEM Precision Fit:\u003c\/strong\u003e Authentic \u003cstrong\u003eVertiv Liebert\u003c\/strong\u003e part ensures exact \u003cstrong\u003ecrankcase heater compatibility\u003c\/strong\u003e for DS, DSE, and Challenger models.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy Installation:\u003c\/strong\u003e Flexible band design with a secure fastening clip allows for rapid field replacement without opening the refrigeration circuit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cstrong\u003eCommon Questions:\u003c\/strong\u003e\n\u003cp\u003e\u003cstrong\u003eWhy is my compressor making a loud noise on startup in cold weather?\u003c\/strong\u003e\u003cbr\u003e\nThis is often a sign of liquid slugging or oil foaming because the oil is too cold. A functioning \u003cstrong\u003e480V 90W crankcase heater\u003c\/strong\u003e like the 172147P2S is necessary to preheat the oil for at least 8-12 hours before startup to ensure a smooth, quiet transition.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eHow do I test if my Liebert 172147P2S is working?\u003c\/strong\u003e\u003cbr\u003e\nWith power disconnected, check the \u003cstrong\u003eelectrical resistance\u003c\/strong\u003e at the leads. A failed heater will often show an \"open\" circuit (infinite resistance). You should also verify that the heater is receiving the correct 480V supply when the compressor contactor is de-energized.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCan I use a higher wattage heater as a substitute?\u003c\/strong\u003e\u003cbr\u003e\nIt is critical to match the OEM specifications. Using a higher wattage than the 90W rating can cause localized overheating, potentially damaging the compressor shell or the heater element itself.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong style=\"color: red;\"\u003eThis item is not eligible for free shipping.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDisclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.\u003c\/p\u003e","brand":"Liebert","offers":[{"title":"Default Title","offer_id":44970365518002,"sku":"172147P2S","price":87.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1838\/2375\/files\/Pic_fd62ab5b-983d-438c-953e-024d500b003f.png?v=1747955353","url":"https:\/\/www.gsistore.com\/en-ca\/products\/liebert-172147p2s","provider":"GSIstore","version":"1.0","type":"link"}