Copeland 918-0028-00 Heater 30067439-890 check for continuity across the

check for continuity across the terminals when the switch is cold

allowing it to control two separate circuit paths depending on the 24V coil energization status

the Maxitrol TS114A must be paired with components that share the same suffix and temperature range

S1-024-27542-000 replacement

Copeland 918-0028-00 Heater 30067439-890 check for continuity across theThe Copeland 918 0028 00 is a high performance 120V 100W insertion well heater designed for direct integration into compressor sumps. Engineered specifically for Copeland Discus compressors and Copeland Scroll models, this crankcase heater prevents refrigerant migration and maintains oil temperature above the saturation point during off cycles. This ensures reliable cold weather compressor startup by reducing oil dilution and preventing liquid