Common Questions: What was the previous part number for this pilot orifice

supporting an ambient temperature range of 32° to 225°F

Critical Fire Prevention: Serves as a primary safety limit control by permanently breaking the circuit during extreme overheating scenarios

Can this adapter be used in steam applications

Flexible Installation: Professional-grade quick-connect terminals and a universal mounting bracket allow for rapid

Lennox 13H25 Assembly Common Questions: What was theThe Lennox 13H25 Electrode and Sensor Assembly is the critical OEM ignition and flame detection component for high efficiency Lennox gas furnaces. Functioning as a dual purpose unit, this assembly integrates a high voltage spark electrode and a flame rectification sensor onto a single pre formed mounting bracket. It is the direct factory replacement for the legacy Lennox 13H2501 part number. Designed to withstand the extreme thermal cycles of the