SIEVERT SV3488;DOUBLE VALUE HANDLE; FOR LARGER SOFT FLAME BURNERS; INCORPORATES ONE MAIN VALVE & ONE ECONOMIZER VALVE ENABLING A PILOT FLAME;DEADMAN TRIGGER FOR INSTANT SHIFTING BETWEEN PILOT & MAIN FLAME & PULSING THE MAIN FLAME;WORKING PRESSURE 1.5-4 BAR;THREAD M14 X 1;WEIGHT 385 G;205 MM LG X 90 MM H;PACK OF 1;RESTRICTED ISSUE TO ASSEST SERVICES MGR POSN 9583;