{"product_id":"liebert-128753p1s","title":"Liebert 128753P1S Valve","description":"\u003cp\u003eThe \u003cstrong\u003eLiebert 128753P1S\u003c\/strong\u003e is a heavy-duty, \u003cstrong\u003eOEM 24V N\/C fill valve\u003c\/strong\u003e designed specifically for precision environmental control systems and humidifier infrastructure. As a \u003cstrong\u003enormally closed solenoid valve\u003c\/strong\u003e, it provides reliable water flow regulation, ensuring that humidifier tanks maintain proper levels without risking overflow or dry-firing during critical cooling cycles. This \u003cstrong\u003ereplacement fill valve\u003c\/strong\u003e comes complete with factory-specified \u003cstrong\u003efittings\u003c\/strong\u003e, allowing for a direct-fit installation into \u003cstrong\u003eLiebert humidifier\u003c\/strong\u003e modules including model series 363G, 380A, and 412W. For service contractors, this genuine component eliminates the guesswork typical of universal workarounds, offering the correct orifice sizing and electrical impedance required by the control board. The robust internal seal is engineered to withstand the frequent cycling common in data center and mission-critical laboratory environments. Utilizing this \u003cstrong\u003e24V water solenoid\u003c\/strong\u003e ensures your humidification system operates within its designed psychrometric parameters, protecting sensitive hardware from the risks of static discharge associated with low humidity.\u003c\/p\u003e\n\n\u003cstrong\u003eKey Benefits:\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Compatibility:\u003c\/strong\u003e Precision-engineered for Liebert models 363G, 380A, and 412W to ensure seamless integration with the factory control signals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReliable Flow Control:\u003c\/strong\u003e The \u003cstrong\u003enormally closed design\u003c\/strong\u003e acts as a fail-safe, preventing unintended water flow in the event of a power loss.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReady-to-Install:\u003c\/strong\u003e Includes specialized \u003cstrong\u003efittings\u003c\/strong\u003e to reduce downtime and prevent leaks at the point of connection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustrial Durability:\u003c\/strong\u003e Specifically built to handle the high cycling rates of 24VAC HVAC control systems without coil burnout.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cstrong\u003eCommon Questions:\u003c\/strong\u003e\n\u003cp\u003e\u003cstrong\u003eIs this the correct fill valve for my Liebert humidifier?\u003c\/strong\u003e\u003cbr\u003e\nThis part is the direct OEM replacement for several humidifier series, including the 380A and 412W. If your unit utilizes a 24V supply and requires a normally closed configuration, the 128753P1S is the standard technical specification.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDo the fittings come pre-installed?\u003c\/strong\u003e\u003cbr\u003e\nThe valve assembly includes the necessary fittings to adapt to your existing water lines, ensuring a secure, leak-free seat during high-pressure cycles.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat causes these valves to fail prematurely?\u003c\/strong\u003e\u003cbr\u003e\nMost solenoids fail due to sediment buildup or \"hammering\" in the water line. We recommend inspecting your filtration system when replacing this \u003cstrong\u003ehumidifier fill valve\u003c\/strong\u003e to maximize the service life of the new component.\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":44970358309042,"sku":"128753P1S","price":385.82,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1838\/2375\/files\/Pic_857012d6-2048-421e-8235-567518bba3df.png?v=1747955418","url":"https:\/\/www.gsistore.com\/products\/liebert-128753p1s","provider":"GSIstore","version":"1.0","type":"link"}