Resideo R24BA1006 Heat Sequencer 323055-751 and they are direct replacements

and they are direct replacements for one another

Advanced Diagnostics: Tri-color LED indicators provide clear status updates and assist in rapid troubleshooting on the job site

Fail-Safe Reliability: Features electronic fail-safe functionality with a field-reversible direction for fail-open or fail-close requirements

Industrial Build: Engineered to withstand the high-cycle rates and thermal fluctuations common in air conditioning and heating systems

this is a genuine Modine replacement part specifically engineered for PA series units

Resideo R24BA1006 Heat Sequencer 323055-751 and they are direct replacementsThe Resideo R24BA1006 Heat Sequencer is a field proven 2 stage electric heat relay designed for precise sequencing of heating elements and blower motors in residential and light commercial air handlers. Operating on a standard 24Vac input voltage, this sequencer features a 1 20 second on timing delay for both switches to prevent nuisance tripping and massive inrush current. For cool down cycles, both switches provide a 40 110 second off timing delay,