This 120VAC 2-pole switch is designed to break both sides of the safety string or specific control legs depending on the Bard model's circuit design

Common Questions How do I prevent damage during installation

Whether you're working with Type K

precision quad rings

Rheem-Ruud 42-19737-01 Sequencing Relay This 120VAC 2-pole switch isThe 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