Had my grill for 4-6 weeks when I noticed a crack in the firebox. Emailed primo, someone called me within several hours of my email!! Eventually sent a pic of the crack as it was spreading and chipping. Again I received a call. Decided to replace the firebox (could have waited till it cracked in 1/2 but worried I would lose cooking time!). The new firebox arrived at my doorstep within 5 days. I am so impressed!! I love cooking on the grill