and 8D series compressors

use a manometer to verify the vacuum is greater than

ensuring the inducer motor is generating sufficient draft before allowing the ignition sequence to proceed

For a standard service call

Nordyne 626419R Limit Switch and 8D series compressorsThe Nordyne 626419R Limit Switch is a critical OEM replacement part designed for high limit thermal protection in residential gas furnaces. Engineered as a normally closed safety device, this switch is calibrated to open on temperature rise at 195? F and automatically reset at 175? F. This precise 20 degree differential ensures the heat exchanger operates within safe thermal parameters, preventing potential cycling issues or component damage. With an