Nordyne 921457 Evaporator Coil 321702-401 ensure the sensing bulb is

ensure the sensing bulb is properly insulated and secured for optimal performance

preventing system runaway

specifically those utilizing high-amperage 5-ton compressors

Unlike mechanical bimetal controls that suffer from significant temperature swings

The 325 psi max bellows overpressure rating provides a necessary safety margin for high-side surges

Nordyne 921457 Evaporator Coil 321702-401 ensure the sensing bulb isThe Nordyne 921457 Evaporator Coil is a precision engineered OEM replacement part designed for high efficiency thermal transfer in residential and light commercial applications. This HVAC evaporator coil features a robust Micro Channel design (often found in B6EW series air handlers), which maximizes surface area for heat absorption while utilizing less refrigerant than traditional tube and fin configurations. For technicians troubleshooting 2 ton or