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Chrome-bevel sheet on grid paper — specs and return notes filed under the bay.
and exhaust air applications
Its rugged steel construction provides a stable foundation for the exhaust system
If a furnace is installed at elevations typically above 2
particularly the TJR series
While primarily used for PTAC systems
Carrier HH680109 Rollout Switch 324846-701 and exhaust air applicationsThe 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,
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