Heavy-Duty Switching: Rated for 15 Amps at 277VAC

meaning it can switch power between two different circuits

While no drain is completely immune to biological growth

Whether you're working with Type K

the switch closes to resume standard heating cycles

Rheem-Ruud 42-19737-01 Sequencing Relay Heavy-Duty Switching: Rated for 15The Rheem Ruud 42 19737 01 Sequencing Relay is a critical HVAC control component engineered for precise load management in electric furnaces and heat pump systems. As a 24V DPST NO sequencing relay, this unit utilizes Double Pole Single Throw Normally Open logic to staged start heating elements or blowers, preventing the excessive amperage spikes typically associated with simultaneous equipment activation. Designed as a direct OEM replacement part, it