Specifically engineered as an adding/subtracting repeater

it utilizes a synchronous motor with a 30-second power timing and a 10-second spring return

the integrated SPDT switch allows for simultaneous control of a feeder valve and a burner circuit or low-water alarm

Precision 23-degree pitch optimized for maximum CFM and heat dissipation

Application Versatility: Suitable for monitoring flow in air

MARS 44507 Transformer R-407A Specifically engineered as an adding/subtractingThe MARS 44507 Transformer is a heavy duty, foot mounted solution engineered specifically for high voltage commercial HVACR control circuits. This 40VA control transformer provides a reliable step down from a 277V primary input to a stable 24V secondary output, ensuring consistent power delivery for intensive diagnostic and operational tasks. Designed with NEMA Class II construction, it maintains low heat rise during continuous duty, protecting