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Use a multimeter to measure the DC millivolt output (unloaded) while the tip is heated
This duct mount temperature sensor is a standard replacement for Metasys systems and other controllers requiring a 10k ohm NTC curve
making it essential for monitoring duct smoke detectors and other concealed fire safety components installed in commercial mechanical rooms
making it an ideal solution for 3-phase motor control or multi-circuit automation
Lennox 12W53 Pressure Switch Els PW 17895 Use a multimeter to measureThe Lennox 12W53 Pressure Switch is a mission critical safety component engineered for HVAC draft verification in high efficiency gas furnaces. As an OEM Lennox replacement part, this switch is factory calibrated to actuate at 1. 52" WC (water column), ensuring the inducer motor maintains the precise static pressure required for safe combustion and proper venting. Designed with a durable SPST (Single Pole Single Throw) configuration, it prevents
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