{"product_id":"liebert-178157p2s","title":"Liebert 178157P2S Expansion Valve","description":"\u003cp\u003eThe \u003cstrong\u003eLiebert 178157P2S Expansion Valve\u003c\/strong\u003e is a critical OEM \u003cstrong\u003e6-ton thermostatic expansion valve (TXV)\u003c\/strong\u003e engineered for high-capacity precision cooling in commercial and industrial HVACR environments. Designed to maintain optimal \u003cstrong\u003esuperheat settings\u003c\/strong\u003e between 10 and 15°F, this valve ensures efficient liquid refrigerant metering into the evaporator coil. By precisely regulating flow, it prevents liquid slugging to the \u003cstrong\u003escroll compressor\u003c\/strong\u003e and maximizes heat exchange efficiency. This 0.96 lb component is specifically calibrated for larger loads where consistent temperature control is vital for sensitive electronic equipment and data center applications.\u003c\/p\u003e\n\n\u003cp\u003eFor technicians performing a \u003cstrong\u003eTXV replacement\u003c\/strong\u003e, the Liebert 178157P2S provides the necessary reliability for systems utilizing \u003cstrong\u003eR-407C refrigerant\u003c\/strong\u003e and POE oils. Its construction supports stable operation under standard \u003cstrong\u003eHVAC system pressure\u003c\/strong\u003e, facilitating a balanced refrigeration cycle even during peak demand. This \u003cstrong\u003eOEM expansion valve\u003c\/strong\u003e is the standard specification for maintaining the integrity of Liebert thermal management units, ensuring that \u003cstrong\u003erefrigerant flow control\u003c\/strong\u003e meets original equipment manufacturer standards for durability and performance.\u003c\/p\u003e\n\n\u003cstrong\u003eKey Benefits\u003c\/strong\u003e\n\u003cul\u003e\n  \u003cli\u003eEnsures precise \u003cstrong\u003erefrigerant metering\u003c\/strong\u003e to maintain exact \u003cstrong\u003eevaporator superheat\u003c\/strong\u003e levels.\u003c\/li\u003e\n  \u003cli\u003eProtects the \u003cstrong\u003escroll compressor\u003c\/strong\u003e from liquid floodback, extending the system's operational lifespan.\u003c\/li\u003e\n  \u003cli\u003eEngineered specifically for \u003cstrong\u003eLiebert 6-ton cooling capacity\u003c\/strong\u003e systems to ensure exact fit and function.\u003c\/li\u003e\n  \u003cli\u003eOptimizes energy efficiency by stabilizing the refrigeration cycle under varying thermal loads.\u003c\/li\u003e\n  \u003cli\u003eConstructed for compatibility with \u003cstrong\u003eR-407C\u003c\/strong\u003e and other high-pressure HVACR refrigerants.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cstrong\u003eCommon Questions\u003c\/strong\u003e\n\u003cp\u003e\u003cstrong\u003eWhat are the signs that this expansion valve needs replacement?\u003c\/strong\u003e\u003cbr\u003e Common indicators include improper superheat readings, evaporator coil icing, or the compressor tripping on high\/low pressure limits. If the valve is \"hunting\" or stuck closed, the system will fail to meet the 6-ton cooling demand.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eIs the Liebert 178157P2S compatible with R-410A systems?\u003c\/strong\u003e\u003cbr\u003e This valve is primarily specified for Liebert units using R-407C. Always verify the refrigerant type on the unit nameplate, as \u003cstrong\u003eTXV calibration\u003c\/strong\u003e is refrigerant-specific to ensure correct pressure-temperature relationships.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDoes this valve include the distributor assembly?\u003c\/strong\u003e\u003cbr\u003e The 178157P2S is a standalone expansion valve. For certain Liebert Challenger or Mini-Mate installations, a separate distributor assembly or specific brazing adapters may be required depending on the existing piping configuration.\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":44970356801714,"sku":"178157P2S","price":230.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1838\/2375\/files\/Pic_04edd333-3957-4366-bd67-73fea5be2bef.png?v=1747955435","url":"https:\/\/www.gsistore.com\/en-ca\/products\/liebert-178157p2s","provider":"GSIstore","version":"1.0","type":"link"}