Armstrong Furnace R38999D019 Heat Exchanger THPU32HP7Y Always check the flat spot

Always check the flat spot on the motor shaft to ensure the set screw is torqued correctly for a non-slip connection

While designed as an OEM part for International Environmental HVAC units

It features jumper-selectable output signals (4-20 mA

and heat strips during abnormal heat events or airflow failures

Is the capillary tube meant to be field-shortened

Armstrong Furnace R38999D019 Heat Exchanger THPU32HP7Y Always check the flat spotThe Armstrong Furnace R38999D019 Heat Exchanger is an essential OEM replacement part engineered specifically for high efficiency Armstrong Air and Allied Air heating systems. As a critical component for safe furnace operation, this HVAC heat exchanger is manufactured to precise factory dimensions, ensuring a perfect fit and seamless integration with your existing burners and blower assembly. By utilizing genuine Armstrong Air parts, technicians can