This thermal rollout switch features a 350 degrees F actuation point with a manual reset mechanism

The most common causes are high line voltage (exceeding 125V)

including the A-030-6006

While it fits standard Johnson Controls mounting brackets

ensuring the damper blades reach a full close or open position without mechanical slippage

BASO J999MKA-2 Pilot Burner This thermal rollout switch featuresThe BASO J999MKA 2 is a professional grade shell style universal pilot burner engineered for reliable ignition in high demand commercial and residential gas fired applications. This multi port pilot burner is a direct functional replacement for the J999MKA 2H, featuring a robust design that resists linting and provides a stable flame pattern under varying gas pressures. Designed for compatibility with various thermocouple leads and ignition systems,