Enhanced Safety Compliance: Mechanically interrupts the power circuit

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

this unit is compatible with single-stage heat pump systems that do not require auxiliary or emergency heat

Field Adjustable: Features a screwdriver-adjustable set point within the 100-425 PSIG range for precise fine-tuning based on specific system requirements

Lennox 59837 Flame Sensor Rod Els PW 17895 Enhanced Safety Compliance: Mechanically interruptsWhen 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