The York S1-024-21678-700 is an OEM 24V SPDT Relay designed for heavy-duty switching in residential and commercial HVAC control systems

this 120V HSI is compatible with many high-efficiency and mid-efficiency furnace models that utilize silicon carbide ignition technology and 120-volt input

Can I use the Q373A2081 to replace an aftermarket universal pilot

Corrosion Resistance: High-grade aluminum blades provide structural integrity in harsh outdoor environments

Lennox 73K38 Ignitor Els PW 17895 The York S1-024-21678-700 is anWhen you're facing a "no ignition" call on a Lennox furnace, the Lennox 73K38 Ignitor is the precision engineered OEM replacement part you need to restore system reliability. This Direct Spark Ignition (DSI) component is built for high performance gas fired appliances, featuring a 2. 65 inch electrode length and "L" style mounting bracket to ensure exact alignment with the burner assembly. Engineered with high temperature resistant materials, the