52" WC and a multimeter to check for continuity across the terminals once the set point is reached

and the necessary line connections for integration with your gas control valve

this specific automatic drain valve utilizes a mechanical pneumatic design

The 1/4" orifice provides a lower flow capacity (SCFH) compared to 1/2" or 3/4" options but allows the regulator to handle much higher inlet pressures and provides more stable control at lower flow rates

upright position to meet safety certifications and ensure the limiting device functions correctly

Detroit Radiant TP-851B Control Module Refrigerant 52" WC and a multimeterThe 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