Nordyne 493214R Heat Exchanger Freon As a DPDT (Double Pole

As a DPDT (Double Pole Double Throw) device

check this lead for continuity and ensure the boot is seated firmly on the electrode

The non-rising adjusting knob allows for easy setpoint calibration in tight spaces

ensuring systematic HVAC maintenance standards are met for long-term operational reliability

the Reznor cutout device ensures the unit operates within specified safety parameters

Nordyne 493214R Heat Exchanger Freon As a DPDT (Double PoleThe Nordyne 493214R Heat Exchanger is an OEM primary heat exchanger engineered specifically for Nordyne gas furnaces and M1MB series indoor units. Designed to meet exact factory tolerances, this aluminized steel heat exchanger ensures efficient thermal transfer while maintaining structural integrity under high cycle stress. As a direct HVAC replacement part, it addresses common failure points such as stress fractures or combustion byproduct buildup