but the internal specifications

Designed for HVAC pneumatic systems

What is the proper air gap for the electrodes

Designed to operate at pressures up to 100 psi and temperatures up to 200°F

Designed to manage one stage of heating and one stage of cooling

Trane HTR15994 Crankcase Heater R-407C but the internal specificationsThe Trane HTR15994 Crankcase Heater is a critical genuine OEM replacement part engineered for high performance compressor protection in residential and commercial split systems. Operating at 230V with a power output of 40W, this clamp style heater is specifically designed to prevent refrigerant migration and ensure the compressor oil remains at the correct viscosity during off cycles in low ambient conditions. By maintaining temperature differential