Technicians should consult the specific furnace rating plate and altitude adjustment tables to confirm the exact drill size required for the local BTU content of the gas

As a versatile damper linkage part

Key Benefits Color-Coded Circuit Mapping: Features red

Whether you are performing a seasonal tune-up or a specialized field conversion

leak-proof engagement even in high-vibration environments

Carrier HH18HA461 Rollout Switch Technicians should consult the specificThe Carrier HH18HA461 Rollout Switch is a critical safety component designed for furnace combustion chambers, specifically engineered to detect flame rollout conditions. This fixed temperature limit switch is calibrated to trip at 160 degrees F, providing a reliable thermal cutoff to prevent heat exchanger damage or fire hazards. Featuring a Single Pole Single Throw (SPST) configuration, this device breaks the electrical circuit to the gas valve when