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Triple Pole Versatility: 3PDT configuration enables the simultaneous switching of three independent circuits or phases
Robust Shaft Grip: Includes a standard non-rotation bracket and multiple drive hub locking options for secure
OEM Precision Fit: Engineered specifically for Carrier
Terminals 1 and 2 should show near 0 ohms when de-energized
Direct Compatibility: Engineered specifically for Gems/Warrick control boards
Carrier HH19ZA170 Switch 30067439-890 Triple Pole Versatility: 3PDT configurationThe Carrier HH19ZA170 is a high limit HVAC temperature safety switch engineered for critical thermal protection in residential and commercial furnaces. As a genuine OEM replacement part, this 170 degree limit switch is calibrated to effectively interrupt the heating cycle if the internal plenum temperature reaches its thermal cutout threshold of 170F. The HH19ZA170 limit switch serves as a mandatory safeguard, preventing heat exchanger damage and
