{"product_id":"liebert-156401p1s","title":"Liebert 156401P1S Valve","description":"\u003cp\u003eThe \u003cstrong\u003eLiebert 156401P1S Valve\u003c\/strong\u003e is a professional-grade \u003cstrong\u003e1\/2 inch 3-way water regulating valve\u003c\/strong\u003e specifically engineered for precision thermal management in mission-critical environments. This \u003cstrong\u003edirect-acting modulating valve\u003c\/strong\u003e is a critical component for maintaining head pressure in \u003cstrong\u003ewater-cooled condensers\u003c\/strong\u003e, ensuring stable refrigeration cycles even under fluctuating load conditions. By accurately sensing refrigerant pressure, the 156401P1S modulates water flow through the system, effectively preventing compressor overheating and reducing overall water consumption in \u003cstrong\u003edata center cooling\u003c\/strong\u003e and \u003cstrong\u003eprecision HVAC\u003c\/strong\u003e applications.\u003c\/p\u003e\n\n\u003cp\u003eThis \u003cstrong\u003eOEM Liebert replacement part\u003c\/strong\u003e comes complete with a \u003cstrong\u003eunion fitting kit\u003c\/strong\u003e to facilitate rapid field installation and secure, leak-proof connections. The 3-way configuration allows for seamless bypass or mixing of water and glycol solutions, providing superior control compared to standard 2-way setups. Built for high-stakes industrial use, the \u003cstrong\u003eLiebert 156401P1S\u003c\/strong\u003e features a robust internal construction designed to withstand hydraulic shock and high-pressure differentials without compromising modulating sensitivity. For contractors servicing Liebert units, this valve is the correct choice for restoring factory-spec flow regulation and operational reliability.\u003c\/p\u003e\n\n\u003cstrong\u003eKey Benefits:\u003c\/strong\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrecision Head Pressure Control:\u003c\/strong\u003e Modulates water flow based on real-time refrigerant pressure to keep systems within optimal operating parameters.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e3-Way Bypass Capability:\u003c\/strong\u003e Perfect for balancing flow in complex \u003cstrong\u003ehydronic HVAC systems\u003c\/strong\u003e and water-cooled condenser loops.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComplete Fitting Kit:\u003c\/strong\u003e Includes necessary \u003cstrong\u003eunion fittings\u003c\/strong\u003e for a streamlined, professional installation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIndustrial Durability:\u003c\/strong\u003e Engineered to handle glycol-water mixtures and resist common fouling in commercial cooling towers.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOEM Compatibility:\u003c\/strong\u003e Guaranteed fit and function for specific Liebert environmental control systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cstrong\u003eCommon Questions:\u003c\/strong\u003e\n\u003cp\u003e\u003cstrong\u003eIs this valve compatible with glycol-based cooling systems?\u003c\/strong\u003e\u003cbr\u003e\nYes, the 156401P1S is designed to handle water and glycol solutions commonly used in industrial and data center cooling loops.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDoes this unit require an external power source?\u003c\/strong\u003e\u003cbr\u003e\nNo, this is a \u003cstrong\u003epressure-actuated valve\u003c\/strong\u003e that utilizes the system's refrigerant pressure for mechanical modulation, making it a self-contained control solution.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCan the opening point pressure be adjusted in the field?\u003c\/strong\u003e\u003cbr\u003e\nYes, the opening point is typically adjustable via a range spring tension screw to match the specific refrigerant requirements of the unit.\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":44970338451634,"sku":"156401P1S","price":1006.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1838\/2375\/files\/Pic_a4362604-7417-4cd8-8aa6-4ee7cf4e1706.png?v=1747955523","url":"https:\/\/www.gsistore.com\/products\/liebert-156401p1s","provider":"GSIstore","version":"1.0","type":"link"}