Nordyne 664093R Restrictor 321894-708 or visible corrosion on the

or visible corrosion on the burner head that disrupts the flame signal

Key Benefits of the 2864606S Heat Exchanger:

Fail-Safe Integration: Designed for use with spring-return actuators to ensure the valve returns to its resting state during power loss

it integrates seamlessly with most 24V zoning panels

the indicator will return to green as the relative saturation of the refrigerant decreases

Nordyne 664093R Restrictor 321894-708 or visible corrosion on theThe Nordyne 664093R Restrictor Orifice is a critical metering component designed for precise refrigerant flow control in HVAC residential split systems and manufactured housing units. With a calibrated . 093 orifice size (identified as #93), this fixed bore metering device ensures the appropriate pressure drop required for efficient evaporation cycles. As the direct replacement for Nordyne 664093, this component maintains system equilibrium and