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The steel thermostat guard measures 6 inches in length
The ports are color-coded for fast identification: the black port (P1) is for positive pressure
Whether you are dealing with a commercial LWCO or an industrial setup
single-throw (SPST) switch that breaks the circuit on temperature rise
Detroit Radiant TP-851B Control Module 30067439-890 The steel thermostat guard measuresThe 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