{"product_id":"case-25v17-genuine-oem-r-454b-dedicated-horizontal-evaporator-coil-4-to-5-ton-ck40ht","title":"Lennox CK40HT – Genuine OEM R-454B Dedicated Horizontal Evaporator Coil (4 to 5 Ton, 25V17)","description":"\u003ch1\u003eCase 25V17 – Genuine OEM R-454B Dedicated Horizontal Evaporator Coil (4 to 5 Ton, CK40HT)\u003c\/h1\u003e\n\u003cp\u003eThe \u003cstrong\u003eCase 25V17\u003c\/strong\u003e (Model \u003cstrong\u003eCK40HT-51\/61C-71\u003c\/strong\u003e) is a next-generation \u003cstrong\u003eGenuine OEM Dedicated Evaporator Coil\u003c\/strong\u003e engineered specifically for the transition to \u003cstrong\u003eR-454B low-GWP refrigerant\u003c\/strong\u003e. Designed for high-tonnage residential and light commercial applications, this 4 to 5-ton coil serves as the indoor heat exchanger, absorbing heat from your home’s air while seamlessly integrating with the latest high-efficiency outdoor condensing units.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eTechnical Performance:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eBuilt for \u003cstrong\u003ehorizontal installation\u003c\/strong\u003e, this coil features an \u003cstrong\u003eall-aluminum construction\u003c\/strong\u003e to eliminate the risk of formicary corrosion, a common cause of leaks in traditional copper-tube coils. The \u003cstrong\u003eCK40HT\u003c\/strong\u003e is factory-tested and specifically orifice-balanced for \u003cstrong\u003eR-454B\u003c\/strong\u003e, ensuring optimal refrigerant flow and pressure management. Its cased design provides structural rigidity and a simplified \"slip-fit\" connection to standard ductwork, maintaining peak thermal transfer across its expansive surface area.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eKey Features and Function:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeature 1: R-454B Optimized Design:\u003c\/strong\u003e Specifically engineered for the unique pressure and thermodynamic properties of R-454B refrigerant.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeature 2: Advanced Aluminum Casing:\u003c\/strong\u003e High-grade aluminum fins and tubes offer superior corrosion resistance and long-term durability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeature 3: Horizontal Airflow Configuration:\u003c\/strong\u003e Ideal for attic or crawlspace installations where height is restricted and horizontal ducting is required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeature 4: High-Tonnage Capacity:\u003c\/strong\u003e Versatile 4 to 5-ton rating allows for precision matching with high-capacity outdoor heat pumps or AC units.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eProduct Details and Key Specifications:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog Number:\u003c\/strong\u003e 25V17\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel\/Part Number:\u003c\/strong\u003e CK40HT-51\/61C-71\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Case \/ Allied Air (Genuine OEM)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCapacity:\u003c\/strong\u003e 4.0 to 5.0 Tons\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRefrigerant Type:\u003c\/strong\u003e R-454B (Dedicated)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e Horizontal Cased Coil\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e All-Aluminum Tube and Fin\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipping Weight:\u003c\/strong\u003e 68.0 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e🛠️ \u003cstrong\u003eHVAC Depot Pro Tip: The \"Leveling\" Secret\u003c\/strong\u003e\n\u003c\/h2\u003e\n\u003cp\u003eWhen installing the CK40HT horizontally, ensure the unit is pitched slightly (about 1\/4 inch) toward the primary drain pan connection. R-454B systems often run colder evaporator temperatures; proper pitching prevents condensate from \"bridging\" across the fins and blowing into your supply ductwork, which can cause water damage and mold growth.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eCross-Reference \u0026amp; Compatibility:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003e25V17\u003c\/strong\u003e is a direct OEM replacement or specified match for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Numbers:\u003c\/strong\u003e 25V1701, CK40HT-51\/61C, CK40HT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLennox Refs:\u003c\/strong\u003e 25V17, 103450-01\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRefrigerant Match:\u003c\/strong\u003e Specifically for systems transitioning from R-410A to R-454B.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eExtensive Model Compatibility List:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLennox EL18XPV Series:\u003c\/strong\u003e EL18XPV-048, EL18XPV-060\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLennox ML17XC1 Series:\u003c\/strong\u003e ML17XC1-048, ML17XC1-060\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eArmstrong Air \/ AirEase:\u003c\/strong\u003e 4SCU17, 4SHP17 (4-5 Ton R-454B Models)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConcord:\u003c\/strong\u003e 4AC17, 4HP17 high-efficiency horizontal split systems.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":52451506192747,"sku":"CK40HT-51\/61C-71","price":1200.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0922\/9683\/9531\/files\/original_34fbeed7-ee77-4a1a-a4cb-881485100762.png?v=1760124318","url":"https:\/\/tophvacparts.com\/products\/case-25v17-genuine-oem-r-454b-dedicated-horizontal-evaporator-coil-4-to-5-ton-ck40ht","provider":"HVAC Parts and Equipment Depot","version":"1.0","type":"link"}