CONSUMER INSTRUCTIONS MAINTENANCE LIGHTING INSTRUCTIONS Keep the area around the burner clear and free of 1. TURN (DEPRESS) MANUAL GAS COCK KNOB ON combustible I have an Economite Conversion Burner Model E20A unit on a Weil-McLain boiler. troubleshooting section of the manual should give some hints.FIRST things FIRST: Confirm that the main manual shut off valve and manual gas cock know are in the ON position. Check that your thermostat is calling/set for