Robertshaw 790-500 Module

Maintain precise combustion control with the Robertshaw 790-500 RAM-5, a dedicated 24V intermittent pilot ignition module engineered for high-demand residential and commercial heating equipment. This intermittent pilot control effectively manages the ignition sequence by initiating the spark and pilot valve simultaneously upon a call for heat. Field technicians rely on the RAM-5 for its ability to provide continuous pilot flame monitoring at a synchronous frequency, ensuring the main gas valve only transitions to the open position once flame recognition is confirmed. If the flame sensor detects a loss of signal during the cycle, the module instantly triggers a safety shutdown of the main valve to prevent gas buildup.

Designed for seamless integration into existing 24VAC HVAC systems, the 790-500 features a robust design that operates within an ambient temperature range of -40°F to 175°F. The 0.7mA flame sensor current provides the sensitivity required for rapid response times, while the 5.0 Amp relay rating handles standard gas valve loads without overheating. When troubleshooting intermittent ignition controls, this module serves as a reliable direct replacement ignition module for aging RAM-5 series units, ensuring your system maintains its original timing and safety specifications.

• Precise 24V IID Control: Synchronizes sparking and pilot valve operation for efficient sequence starts.
• Continuous Flame Supervision: Employs high-frequency monitoring to maintain safe operation throughout the entire heating cycle.
• Rugged Temperature Tolerance: Rated for reliable performance in unconditioned mechanical rooms from -40°F to 175°F.
• Industry Standard Ratings: Features a 5.0 Amp gas valve relay and a 0.7mA minimum flame sense current for high accuracy.
• Broad Compatibility: Functions as a primary Robertshaw ignition control for a variety of intermittent pilot appliances.

• What does the RAM-5 designation signify? RAM-5 indicates the specific sequence logic for Robertshaw’s intermittent pilot series, specifically designed for 24V applications requiring simultaneous spark and pilot gas initiation.
• Can this module be used in systems with 120V gas valves? No, the 790-500 is strictly a 24V module. Always verify the voltage of your gas valve and transformer before installation to prevent component damage.
• What should I check if the module sparks but the main burner won't light? Ensure the pilot flame is making proper contact with the sensor rod and that you are achieving the required 0.7mA flame current; without this signal, the module will not energize the main valve.

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.