Lennox 13H25 Assembly or a failing blower capacitor

or a failing blower capacitor

When you're troubleshooting a York furnace that isn't initiating the ignition sequence

The Functional Devices RIB01BDC Relay is a heavy-duty 120V 20A SPDT dry contact relay engineered for reliable switching in HVAC

Durable Construction: Built to withstand the high-cycle demands of technical HVACR Environments

Direct OEM Fit: Eliminates the need for bracket modification or terminal crimping

Lennox 13H25 Assembly or a failing blower capacitorThe 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