| Product Run | Dates | Serial Numbers | Notes |
|---|---|---|---|
| Start | Nov. 2000 | 001001 | |
| Rev. 0.1 | Oct. 2001 | 001417 | New pilot shield |
| Rev. 0.2 | Jan. 2002 | 001688 | Star washers on gas manifold |
| Rev. 0.3 | Feb. 2002 | 001701 | New wire harness, modified ember screen, corrected burner carry over ports |
| Rev. 0.4 | Mar. 2002 | 001866 | Leveling bolts moved forward and lengthened |
| Rev. 0.5 | Apr. 2002 | 001883 | Air diverter in blower duct |
| Rev. 0.6 | Jul. 2002 | 002180 | Adjustable top blower duct |
| End | 2002 |