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adaptable constant differential temperature control engineered for precision in commercial refrigeration
Exceeding this may impact the lockup performance and safety limits of the relief valve
High-precision 10K Type II thermistor ensures accurate feedback to the zone controller
capacitor-run (CSR) and induction-run (CSIR) systems
The brass bar stock body provides the rugged durability needed for high-demand installations
Carrier HH18HA122 Limit Switch Els PW 17895 adaptable constant differential temperature controlThe Carrier HH18HA122 Limit Switch acts as a critical safety component for residential and light commercial HVAC systems, specifically designed to monitor internal heat exchanger temperatures. This automatic reset limit switch features a fixed set point of 117 120F, ensuring the burner circuit or blower operation is interrupted if thermal thresholds are exceeded. For technicians performing furnace repair or preventive maintenance, this OEM component
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