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Three Field-Selectable Ranges: Quickly adjust between 10A
System Integrity: Acts as a secondary seal to protect the Schrader valve core from dust
and steel tubing where a proper 45-degree flare can be generated
Reliable Signal: High-purity copper tubing minimizes resistance
verifying the integrity of this 0
Carrier HH12ZB220 Limit Switch Three Field-Selectable Ranges: Quickly adjustThe Carrier HH12ZB220 Limit Switch is a critical safety component designed for high limit protection in residential furnaces, packaged units, and air handlers. Engineered as a normally closed (NC) switch, this part initiates a system cutout when the 220F open temperature is reached, effectively preventing heat exchanger damage and hazardous operating conditions. Once the plenum cools to the 180F close temperature, the bimetal disc automatically
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