Rheem-Ruud SP10758 Ignition Module

The Rheem-Ruud SP10758 is a high-performance direct spark ignition module designed for reliable sequence control in residential and commercial heating applications. This 3-try hot surface ignition module functions as a critical safety and operational component, managing the gas valve, sensing flame rectification, and overseeing the HSI igniter timing. Engineered specifically for Rheem and Ruud furnaces, the SP10758 features a 15-second pre-purge cycle to clear the combustion chamber and a 7-second trial for ignition period. If the flame is not detected via the flame sensor within the allotted time, the module initiates two additional recovery attempts before entering a system lockout mode for safety. This integrated furnace control ensures precise HVAC troubleshooting and consistent performance, replacing older or failed Protechtrel ignition controls. Its robust circuitry is built to withstand the electrical demands of gas furnace repair, providing contractors with a direct-fit solution that maintains OEM specifications for airflow and thermal safety.

• Direct OEM Alignment: Provides seamless furnace control board replacement for Rheem, Ruud, and WeatherKing units, ensuring wire-to-wire compatibility without field modifications.
• Enhanced Safety Logic: Features a 3-try ignition sequence and automatic lockout functionality to prevent unburned gas accumulation during ignition failure.
• Microprocessor Precision: Utilizes advanced logic to monitor flame rectification signals, minimizing nuisance trips and improving furnace uptime during peak heating cycles.
• Industry Standard Voltage: Designed for standard 24VAC control circuits, making it compatible with most standard gas valves and HSI elements found in contemporary HVAC systems.

Common Technical Questions

How do I troubleshoot a lockout on the SP10758?
Confirm that the flame sensor is clean and positioned correctly in the burner flame. Check for 24V at the gas valve during the trial for ignition and ensure the ground connection is secure, as this module relies on a solid ground for flame sensing.

Can this module replace a single-try ignition control?
Yes, if the application allows for a 3-try ignition sequence. The SP10758 offers additional attempts to prove flame, which can reduce service calls caused by minor gas pressure fluctuations or temporary igniter delays.

What is the purpose of the pre-purge timing on this module?
The 15-second pre-purge ensures that any residual combustion gases are exhausted from the heat exchanger before the hot surface igniter is energized, preventing delayed ignition or "booming" during startup.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.