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the control board will lock out the ignition process as a safety precaution
) operation on compatible 2-way Erie valve bodies
Safety Calibration: 200°F fixed trip point protects the heat exchanger and internal components from thermal stress
Designed specifically to mitigate the damaging effects of electrical arcing
Designed to handle the high-torque demands of Lennox air conditioner and heat pump units
Carrier HH19ZA170 Switch 30067439-890 the control board will lockThe 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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