If you installed the new thermocouple, you may have overtightened it. It should be installed finger tight and only a quarter turn more. If it's to tight it won't allow the gas valve to open to light the burners. Be sure to turn the gas off, before attempting to work on the unit.
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If you installed the new thermocouple, you may have overtightened it. It should be installed finger tight and only a quarter turn more. If it's to tight it won't allow the gas valve to open to light the burners. Be sure to turn the gas off, before attempting to work on the unit.