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12 lb design fits easily into existing pneumatic control cabinets where space is at a premium
reducing heat fatigue on electrical components
208V (Red)
the internal timing mechanism is replaceable if the relay assembly fails
The 2-wire 4 to 20 mA output ensures seamless integration with building automation systems and energy management controllers
Carrier HH18HA192 Limit Switch 319825-402 12 lb design fits easilyThe Carrier HH18HA192 is a high limit, auto reset limit switch designed for critical thermal protection in heating applications. This genuine OEM Carrier replacement part is engineered to monitor heat exchanger temperatures and interrupt the electrical circuit if internal conditions exceed the safe operating threshold. With a strictly calibrated temperature range of 140 190F, it serves as a primary safety component to prevent equipment overheating and