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Lacquer sheets stacked — description and returns below the cascade board.
Reliable 25-35 mV open circuit voltage for consistent flame proving
this model is specifically designed for hot water heating systems
this switch acts as a low-temperature limit
Genuine OEM Part – Factory-authorized replacement for guaranteed compatibility and performance
Rheem-Ruud SP11805 Thermostat 30067439-890 Reliable 25-35 mV open circuitThe Rheem Ruud SP11805 is a critical OEM commercial electric thermostat engineered for high demand temperature regulation in industrial and commercial grade water heating systems. This surface mount electric water heater thermostat serves as a direct factory replacement for Rheem, Ruud, and Richmond commercial units, ensuring precise thermal response and field reliability. As a SP11805 water heater control, it is designed to manage high amperage loads