True drain line heater replacement. Help keep your drain pan dry and drain line clear of ice. Replace a faulty drain heater wire or condensate pan heater to keep things from freezing up. If you see ice forming on the drain line it may be time to replace the heater. ONLY those parts identified as manufactured by True Manufacturing are OEM parts. Certain parts are not OEM products, and are not manufactured, licensed, authorized, or sold by True Manufacturing. OEM Numbers and Commonly Fits Models are used for reference only and no inference or implication beyond that should be taken or is intended. Non-OEM replacement parts are not manufactured, licensed, authorized, sponsored or endorsed by True Manufacturing.