Control equipment for gas burner has safety device integrated into fourth gas line connected with third gas area and main valve closes when safety device exceeds given temperature

摘要

The control equipment has a safety device (25) which is integrated in fourth gas line (26) which is connected with third gas zone (15). Fourth gas line opens when safety device exceeds a given temperature. Third gas area develops a pressure when fourth gas line opens and this pressure closes the main valve (11).