Lennox 13H25 Assembly the Teflon non-stick material is

the Teflon non-stick material is chemically compatible with standard HFCs and HCFCs

Industrial Grade Build: Proven Cleveland Controls diaphragm technology ensures long-term performance under high-cycle demand

While designed for the Siemens SIRIUS 3TX71 lineage

While specifications can vary by batch

Lennox 13H25 Assembly the Teflon non-stick material isThe 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