Honeywell S301D2CO Sensor R-410A Common Questions & Technical Support:

Common Questions & Technical Support: How do I confirm this coil is compatible with my current valve

Manual Control: Features a color-coded AC (red) pushbutton and override lever to lock contacts in the powered position during testing

The retaining ring is critical for two-piece split sleeves

Key Benefits: Direct OEM Match: Specifically replaces 10197205 and 10197205S for exact fitment on Amana and Goodman 90%+ AFUE furnace models

Honeywell S301D2CO Sensor R-410A Common Questions & Technical Support:The Honeywell S301D2CO is a heavy duty Carbon Monoxide (CO) sensor engineered specifically for classified hazardous areas requiring explosion proof gas detection. Designed as the direct 129431 L3 replacement, this sensor integrates seamlessly into existing 301 C controller systems via a Modbus RTU RS485 communication protocol. Built for industrial environments, the assembly features an electrochemical sensing element housed in a rugged enclosure,