Brahma Control box SR3/TR15 18025201

The Brahma SR3/TR15 control box (SKU 18025201) is a burner management device for forced-draft gas burners. It operates on a 220 V supply and supports both single-stage and two-stage burner configurations. The unit features a safety time of 3 seconds and a pre-purge time of 50 seconds, with an intermittent cycle type. It has a plastic body with IP40 protection and weighs 0.55 kg net.

When selecting a replacement control box of this type, verify the supply voltage, safety time, and pre-purge time match the burner's requirements. Ensure the control box is compatible with the burner's stage configuration (single or two-stage) and fuel type. Check the mounting dimensions and connection type to fit the existing wiring and housing.

Common failures in control boxes of this kind include failure to ignite, intermittent operation, or lockout after safety time. Symptoms may include the burner motor running but no ignition spark, or the unit resetting repeatedly. Check for correct voltage supply, proper flame sensor signal, and integrity of wiring connections.