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sharing all technical specifications and performance ratings
maintaining the same 0
the control board will lock out the ignition process as a safety precaution
Adjustable Pitch Settings: Permits the technician to dial in the exact pitch diameter (1
Carrier HH19ZA170 Switch 30067439-890 sharing all technical specifications andThe 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
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