Armstrong Furnace R40663-002 Ignitor/Sensor Els PW 17895 Built with a stainless steel

Built with a stainless steel enclosing tube and a durable synthetic seated design

The "F" indicates it is a fan switch (Normally Open)

The MARS 12821 features a standard round diameter that is compatible with most OEM and universal mounting straps

For service technicians performing LP conversion for furnaces or routine manifold maintenance

Armstrong Furnace R40663-002 Ignitor/Sensor Els PW 17895 Built with a stainless steelIGNITOR SENSOR, Q3300 Armstrong Furnace R40663 002 Ignitor Sensor (Q3300) OEM Flame Rod Assembly, 208 240V Upgrade and maintain your HVAC system with the genuine Armstrong Furnace R40663 002 Ignitor Sensor, a high quality OEM flame rod assembly designed for reliable ignition and flame sensing performance. Engineered specifically for Armstrong Air equipment, this component ensures efficient burner operation and safe system functionality. Key Features &