Carrier HH18HA505 Limit Switch 326058-758 This heavy-duty centrifugal blower is

This heavy-duty centrifugal blower is critical for maintaining consistent discharge air temperatures and proper combustion efficiency within gas-fired heating systems

Why is 460V 67W the specific requirement for this part

Reliable 24V Control: Built to interface seamlessly with standard HVAC control boards and 24-volt transformers

What is the default fail-safe position for this valve

Carrier HH18HA505 Limit Switch 326058-758 This heavy-duty centrifugal blower isThe Carrier HH18HA505 Limit Switch is a critical OEM furnace safety component designed for precise thermal monitoring in Carrier, Bryant, and Payne residential heating systems. This high limit rollout switch is engineered to open the electrical circuit at a factory set threshold of 235 F, effectively preventing heat exchanger damage and unsafe operating conditions. Once the temperature stabilizes and cools to 195 F, the switch utilizes an automatic