the System Sensor 120V bell is approved for outdoor use when installed with a Model WBB weatherproof backbox to protect the internal strike mechanism

compatible with a wide array of DDC controllers and automation platforms

Its NPT threaded connections ensure a leak-free integration into standard piping

a 300 degree fuse link is provided

the DCL (like this 023Z5089) contains activated alumina for acid removal

Carrier HN67GJ002 Fan Relay Els PW 17895 the System Sensor 120V bellThe Carrier HN67GJ002 Fan Relay (MFR# HN67GJ002) is a critical OEM replacement part engineered for high precision switching of fan motor circuits in residential and commercial HVAC systems. This SPDT (Single Pole Double Throw) relay is designed for high demand thermal time delay and inductive load switching, ensuring seamless blower motor control and consistent airflow across the heat exchanger. As a technician, you know that maintaining the correct