Jul 18, 2017 - 01:11 PM
According to the manufacturer, it should work up to 7000. They said you may want to check the gas pressure. They would also need to know if it heats or if it does not fire at all. Tech support would need to know more info., if you would like to contact tech support at Girard. Here is their info. - 1.866.559.1221. Hope this helps.