GrillMaster is the bottom of the barrel in Nexgrill’s notoriously poor quality lines of gas grills. It’s hard to find anyone even selling these, and that’s a good thing. The GrillMaster website claims Lowe’s still carries them, but Lowe’s has zero stock nationwide. We called Nexgrill customer service number: 800-913-8999 to learn more. After listening to several automated options that didn’t address our question we were instructed, “for customer service please hang up and dial 800-913-8999 *click*”