Johnson Controls A-4400-610 Bowl O Ring

This aluminum gas regulator cap includes the necessary replacement gasket to ensure a gas-tight seal

Simplified Calibration: Enables rapid field setpoint verification and adjustment

When diagnosing common issues like short-cycling or unresponsive blowers

which translates to a precise

Nordyne 626619 Limit Switch Johnson Controls A-4400-610 Bowl OThe Nordyne 626619 Limit Switch is a critical safety component designed for precise thermal regulation in HVAC furnace systems. As an OEM replacement part, it ensures your equipment adheres to original manufacturer specifications, effectively managing blower cycles and preventing overheating. This auto reset limit switch features a 140F open and 100F close configuration, providing a reliable 40 degree differential to maintain stable heat exchanger