Rheem-Ruud 42-19736-02 RELAY Durable Construction: Built to withstand

Durable Construction: Built to withstand the high-cycle demands of industrial HVACR environments without drift in temperature sensitivity

Key Benefits for Technicians Precise Thermal Callibration: Opens exactly at 438°F to protect sensitive heat exchangers and internal components

designed to eliminate parallax errors during manual readouts

Common Questions Is the York S1-2845-3171 compatible with other brands

It is calibrated to maintain an outlet pressure between 10 and 22 inches water column

Rheem-Ruud 42-19736-02 RELAY Durable Construction: Built to withstandThe Rheem Ruud 42 19736 02 is a high performance 24V SPDT Relay engineered for precise switching in residential and light commercial HVAC systems. Designed as a genuine OEM repair part, this Single Pole Double Throw relay provides reliable control over two separate circuits, making it an essential component for furnace control boards, fan logic, and air conditioning sequencing. With a robust 24VAC coil and a contact rating typically capable of