and Miller gas-fired furnaces and packaged units

and Nordyne gas furnace units

The Bradford White 415-43676-03 Thermal Switch is a critical safety component designed for atmospheric vent gas water heaters and Defender Safety System models

This kit is proprietary to the Series FHB models

ensures a professional finish

Honeywell 301572A/0767 Thermostat Key and Miller gas-fired furnaces andThe 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