the T-4000-2139 cover assembly is more than just a decorative piece

Precision Engineering: Eliminates the risk of vibration noise or loose fits common with generic HVAC fasteners

Compatible with the Honeywell CA100A116 cartridge for rapid retrofitting

HVAC specialists recommend against modifying OEM ignition cables

York S1-025-33326-000 Crankcase Heater the T-4000-2139 cover assembly isProtecting your compressor from liquid slugging and refrigerant migration during the off cycle requires a reliable thermal solution. The York S1 025 33326 000 Crankcase Heater is a heavy duty insertion type heater designed to maintain lubrication viscosity in York and Bristol compressor applications. Engineered with a broad 100 600V range and a 30 watt output, this component provides the critical heat needed to keep refrigerant out of the oil,