{"product_id":"nu-calgon-nucal-4190-02-humidifier-water-treatment-filter","title":"Nu-calgon NUCAL-4190-02 Humidifier Water Treatment Filter","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe NU-CALGON NUCAL-4190-02 is a water treatment filter designed for residential humidifiers with a capacity of up to 25 gallons per day. It inhibits scale buildup inside the humidifier for a full heating season, helping maintain system efficiency without frequent manual cleaning. The filter accepts 1\/4-inch FPT threaded connections and can be mounted in either a vertical or horizontal orientation. HVAC technicians and service professionals install this filter as part of routine humidifier maintenance or seasonal startup procedures.\u003c\/p\u003e\n\u003cp\u003eThis filter is suited for use with bypass, flow-through, and drum-style humidifiers that operate on cold water supply lines. It is intended for one season of use and should be replaced at the start of each humidification season. It is not rated for use on hot water lines. The 1\/4-inch FPT thread connection fits standard supply line configurations found in most residential forced-air humidifier installations.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eHandles humidifiers rated up to 25 gallons per day output\u003c\/li\u003e\n  \u003cli\u003e1\/4-inch FPT threaded connection for standard supply line hookup\u003c\/li\u003e\n  \u003cli\u003eInstalls vertically or horizontally to suit cabinet and plumbing layout\u003c\/li\u003e\n  \u003cli\u003eInhibits scale accumulation for one full humidification season\u003c\/li\u003e\n  \u003cli\u003eDesigned for cold water supply lines only — not for use on hot water lines\u003c\/li\u003e\n  \u003cli\u003eSupports quick seasonal change-outs with straightforward thread-in replacement\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style replacement water treatment filter for residential humidifiers rated up to 25 gallons per day that use a 1\/4-inch FPT cold water supply connection.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation is typically performed by a licensed HVAC technician during seasonal startup or as part of a humidifier service call. Shut off the water supply to the humidifier before removing the old filter and installing the new one. Do not install on hot water supply lines. Replace the filter at the beginning of each humidification season to maintain effective scale inhibition.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eType\u003c\/strong\u003e: Water Treatment Filter\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum Humidifier Capacity\u003c\/strong\u003e: 25 gallons per day\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConnection Size\u003c\/strong\u003e: 1\/4-inch FPT\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMounting Orientation\u003c\/strong\u003e: Vertical or Horizontal\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService Life\u003c\/strong\u003e: One humidification season\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHot Water Line Compatible\u003c\/strong\u003e: No\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: NU-CALGON\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: NUCAL-4190-02\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"NU-CALGON","offers":[{"title":"Default Title","offer_id":51383922196786,"sku":"NUCAL-4190-02","price":44.31,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/312670326.jpg?v=1782611914","url":"https:\/\/voomisupply.com\/products\/nu-calgon-nucal-4190-02-humidifier-water-treatment-filter","provider":"Voomi Supply","version":"1.0","type":"link"}