Nordyne 904857 Motor 321894-709 the EF17BZ278 is a complete

the EF17BZ278 is a complete reversing valve with coil assembly

Built for durability in high-cycle residential and light commercial HVAC systems

always use the manufacturer-recommended conversion kit or LP-specific valve for propane applications

which is vital for preventing delayed ignition and soot buildup

this fixed-setting thermostat monitors ambient or internal temperatures to prevent system operation under unfavorable thermal conditions

Nordyne 904857 Motor 321894-709 the EF17BZ278 is a completeThe Nordyne 904857 Motor is a high performance 115V blower motor built for direct drive furnace and air handler applications. As a veteran HVACR technician, you know that matching the exact technical profile is critical for maintaining static pressure and airflow across the heat exchanger. This 1 3 HP furnace motor operates at a nominal 1025 RPM and features a 4 speed motor design, allowing for precise lead selection to balance heating and cooling CFM