Honeywell 301572A/0767 Thermostat Key improper flame impingement (the tip

improper flame impingement (the tip should be immersed 1/2 inch into the flame)

specifically for applications requiring 15" to 30" W

This automatic reset limit switch is calibrated with a 140°F opening threshold and a 110°F closing threshold

The durable plastic construction and slotted side vents ensure optimal airflow for accurate bimetal sensing element response

If the system cools down and the switch closes

Honeywell 301572A/0767 Thermostat Key improper flame impingement (the tipThe Honeywell 301572A 0767 Thermostat Key is an essential field tool designed for facility managers and HVAC contractors maintaining building security. This replacement thermostat key provides authorized access to locked thermostat covers, preventing unauthorized setpoint adjustments and tampering in commercial environments. Engineered for durability, this key is the direct replacement for standard Honeywell locking covers and is technically identical