Detroit Radiant TP-851B Control Module

The Detroit Radiant TP-851B is a high-performance ignition control module engineered specifically for Re-Verber-Ray and Detroit Radiant Products gas-fired radiant tube heaters and infrared heating systems. This OEM replacement part is a critical diagnostic circuit board designed to manage complex ignition sequences, including direct spark ignition, flame sensing, and safety shut-off protocols. Utilizing a 120V AC input, the module interfaces directly with pressure switches and gas valves to ensure stable burner operation in demanding commercial and industrial environments.

For technicians servicing HL-2, RVA-2, or LD series heaters, the Detroit Radiant TP-851B provides a drop-in solution to resolve intermittent ignition failure or lost flame signals. The board features integrated LED status indicators for rapid field diagnostics, allowing for efficient troubleshooting of cycle locks or sensor faults. Built with durable electronics, it maintains precise timing for pre-purge and ignition trials, ensuring consistent performance across both natural gas and propane configurations.

• Genuine OEM Replacement: Ensures full compatibility and restores factory-standard operating safety for infrared tube heaters.
• Advanced Diagnostics: Onboard LED status indicators provide real-time feedback for faster troubleshooting of heater faults.
• Enhanced Safety: Features an integrated safety lockout mechanism that monitors flame presence and pressure switch signals to prevent hazardous conditions.
• Direct Installation: Engineered as a direct swap for the original TP-851B ignition module, minimizing downtime during service calls.

• Does this board replace the older TP-851A model? Yes, the TP-851B is the current iteration and can typically replace the previous version in most Detroit Radiant heater assemblies.
• Will this module work with 24V systems? No, this specific model is designed for 120V AC primary power; always verify your unit's wiring diagram before installation.
• Is this compatible with other brands? This is an OEM part specifically for Re-Verber-Ray and Detroit Radiant equipment; cross-referencing with the manufacturer part number is required for other applications.

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.