The Enviro-tec PE-27-0042 Controller serves as the direct OEM replacement for the ETFC120-10

Precise Thermal Safety: Pre-set to open at 175°F and automatically close at 135°F to prevent equipment overheating

Specifically designed for 58STA and 58STX series units

The separate O and B terminals provide maximum flexibility for heat pump reversing valve configurations

Universal Round Design: Facilitates easy integration into standard mounting brackets for Copeland refrigeration units

Carlyle HT31AZ120 Crankcase Heater Freon The Enviro-tec PE-27-0042 Controller servesThe Carlyle HT31AZ120 Crankcase Heater is a critical component for maintaining compressor reliability in low ambient conditions. As an insertion type heater, it provides direct thermal transfer to the lubricant, effectively preventing refrigerant migration and ensuring a flooded start does not occur after extended off cycles. Rated at 120 Volts and 100 Watts, this heater is engineered for high performance thermal regulation in Carlyle semi hermetic