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The NU-CALGON NUCAL-4296-60 is a condensate pan treatment tablet designed to prevent the buildup of sludge, scum, and biological growth inside HVAC condensate pans and drain lines. Left untreated, condensate pans accumulate organic matter that clogs drain lines, causes pan overflows, and produces foul odors. These tablets provide a proactive maintenance solution, dissolving slowly to keep pans and drains clear between service visits. HVAC technicians and service contractors use them as part of routine preventive maintenance programs on residential and light commercial cooling equipment.
These condensate pan treatment tablets are suited for use in split-system air conditioners, heat pumps, package units, and fan coil applications where standing condensate water creates conditions for biological growth and drain blockages. Each container includes 200 tablets, making it practical for service companies maintaining multiple systems or for stocking service vehicles for repeat seasonal use.
Designed for use in condensate pans and drain lines found in residential and light commercial HVAC cooling systems, including split-system air conditioners, heat pumps, package units, and fan coil units.
Condensate pan treatment tablets are placed directly into the condensate pan by a qualified HVAC technician as part of a scheduled maintenance visit. Before servicing the unit, shut off power to the air handler or indoor coil section at the disconnect. Follow the tablet manufacturer dosing guidance and replace tablets on the recommended service interval to maintain continuous protection. Disposal of removed tablets or spent treatment residue should follow local regulations.
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