the HH12ZB180 is the factory-authorized successor for older components

Vibration Protection: Protects temperature instruments from mechanical stress and fatigue caused by high-velocity fluid flow

This aftermarket PLA045 component provides a precise mechanical connection between the chassis and access panels

Its 120VAC compatibility and durable construction minimize nuisance shutdowns while protecting the heat exchanger from thermal stress

For technicians troubleshooting ignition failure

Lennox 58C97 Relay Els PW 17895 the HH12ZB180 is the factory-authorizedThe Lennox 58C97 Relay is a high performance SPST Heat Sequencer Relay designed specifically for managing timed electrical sequences in residential and commercial HVAC systems. Operating on a 24V AC coil, this thermal delay relay provides critical staging for heating elements, blowers, and auxiliary components to prevent high current surges and ensure equipment protection. With a precise ON delay of 1 to 60 seconds and an OFF delay of 1 to 45 seconds,