always verify your specific refrigerant gauge manifold readings before installation

Common Questions Is the 42-21593-01 compatible with other brands

Verify the thermocouple is seated correctly in the pilot bracket with at least 0

Key Benefits Precise Pressure Control: The double diaphragm architecture eliminates inlet pressure effects

this switch is compatible with air and combustion by-products that do not degrade silicone

Lennox 59837 Flame Sensor Rod Els PW 17895 always verify your specific refrigerantWhen you are troubleshooting a Lennox furnace that is short cycling or failing to stay lit, the Lennox 59837 Flame Sensor Rod is a critical diagnostic checkpoint. This OEM Lennox replacement part is engineered to provide precise flame rectification, sending a microamp signal to the ignition control board the moment the burner ignites. As a 6 inch flame sensing rod with a 3 16 inch diameter, it is built to withstand high temperature combustion