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OEM Compatibility: Serves as the official B1256552 replacement for Goodman
The Armstrong International A21959-1 is a critical replacement steam trap gasket engineered specifically for A6 and B6 Series Float & Thermostatic (F&T) traps
Engineered specifically for high-torque applications
Ensure the arrow on the shell matches the direction of refrigerant flow toward the expansion device
Engineered with an isolated coil configuration
York S1-025-41100-000 Crankcase Heater OEM Compatibility: Serves as theAs a service tech, you know that keeping the compressor oil at the correct temperature during the off cycle is critical for system longevity. The York S1 025 41100 000 Crankcase Heater is a rugged belt type crankcase heater designed to prevent refrigerant migration and oil foaming. Operating at 240 volts with a 70 watt output, this heater provides consistent thermal energy to ensure the HVAC compressor remains protected in cold ambient conditions.