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Key Benefits Direct OEM Compatibility: Ensures seamless fitment on 1/2-inch shafts for Nordyne furnace parts
This air pressure switch is engineered to sense the static pressure produced by the combustion blower
While primarily used for PTAC systems
Its rugged steel construction provides a stable foundation for the exhaust system
The opening point is adjusted by turning the range screw on the valve body
Carrier HH680109 Rollout Switch 324846-701 Key Benefits Direct OEM Compatibility:The Carrier HH680109 Rollout Switch is a critical safety component designed for furnace combustion chambers, specifically engineered to detect sustained flame rollout conditions. This 190F manual reset rollout switch features a single pole double throw (SPDT) configuration, providing reliable circuit interruption and signaling for modern HVAC control boards. As a direct OEM replacement for HH22HA189, it ensures precise thermal calibration for Carrier,