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Key Benefits Precise Thermal Safety: Calibrated to trigger at exactly 240°C
you know that keeping a hydronic system in check starts with reliable data feeding into the control module
Is the 240V coil compatible with 50Hz and 60Hz systems
Key Benefits: Precise Microprocessor Control: Delivers repeatable timing for ignition sequences and flame sensing
Carrier HH12ZZ190 Limit Switch 326058-758 Key Benefits Precise Thermal Safety:The Carrier HH12ZZ190 Limit Switch is a critical safety component designed for precise thermal monitoring in residential gas furnaces. Engineered as a normally closed (NC) high limit control, this genuine OEM replacement part features a 190F fixed set point and a 40F differential. This means the circuit opens on a temperature rise at 190F to prevent heat exchanger damage and automatically resets when the temperature drops to 150F. Reliable thermal