Trane HTR6605 Sump Heater 319848-301 High-Temperature Metallurgy: Constructed from heavy-duty

High-Temperature Metallurgy: Constructed from heavy-duty materials designed to withstand the corrosive environment of high-efficiency combustion

Because of its 4-3/8" thickness

secured via a hub set screw for a slip-free connection

also identified as the 619598-20 cold end header box kit

This part is a direct technical match for Carrier part number EF19XS017

Trane HTR6605 Sump Heater 319848-301 High-Temperature Metallurgy: Constructed from heavy-dutyThe Trane HTR6605 Sump Heater is a critical OEM replacement part designed for commercial HVAC maintenance and compressor protection. This industrial grade 460V 100W heater facilitates essential refrigerant management by maintaining the lubricant temperature within the compressor crankcase. By preventing refrigerant migration to the oil during off cycles, the HTR6605 eliminates the risk of flooded starts and subsequent mechanical failure. As a direct