Order Field Modification Kits Use the form below to order Field Modification Kits. If you are not sure which kit you need click here for the Field Modification Kit Part Numbers. If you have any other questions about this, contact us or call us at 1-888-432-8887. Name* First Last Company Name* Email Enter Email Confirm Email Phone* Address* City* State* ZIP* Boiler Model* Serial Number* ESC Gas KitsChoose ESC Gas Kit SizeNatural Gas Size 3 (104751-03)Natural Gas Size 4 (104751-04)Natural Gas Size 5 (104751-05)Natural Gas Size 6 (104751-06)Natural Gas Size 7 (104751-07)Natural Gas Size 8 (104751-08)Natural Gas Size 9 (104751-09)Natural Gas Size 3 (104814-03) - High AltitudeNatural Gas Size 4 (104814-04) - High AltitudeNatural Gas Size 5 (104814-05) - High AltitudeNatural Gas Size 6 (104814-06) - High AltitudeNatural Gas Size 7 (104814-07) - High AltitudeNatural Gas Size 8 (104814-08) - High AltitudeNatural Gas Size 9 (104814-09) - High AltitudeLP (Propane) Size 3 (104752-03)LP (Propane) Size 4 (104752-04)LP (Propane) Size 5 (104752-05)LP (Propane) Size 6 (104752-06)LP (Propane) Size 7 (104752-07)LP (Propane) Size 8 (104752-08)LP (Propane) Size 9 (104752-09)LP (Propane) Size 3 (104815-03) - High AltitudeLP (Propane) Size 4 (104815-04) - High AltitudeLP (Propane) Size 5 (104815-05) - High AltitudeLP (Propane) Size 6 (104815-06) - High AltitudeLP (Propane) Size 7 (104815-07) - High AltitudeLP (Propane) Size 8 (104815-08) - High AltitudeLP (Propane) Size 9 (104815-09) - High AltitudeSCG Gas KitsChoose SCG Gas Kit SizeNatural Gas Size 3 (104753-03)Natural Gas Size 4 (104753-04)Natural Gas Size 5 (104753-05)Natural Gas Size 6 (104753-06)Natural Gas Size 7 (104753-07)Natural Gas Size 8 (104753-08)Natural Gas Size 9 (104753-09)Natural Gas Size 3 (105059-03) - High AltitudeNatural Gas Size 4 (105059-04) - High AltitudeNatural Gas Size 5 (105059-05) - High AltitudeNatural Gas Size 6 (105059-06) - High AltitudeNatural Gas Size 7 (105059-07) - High AltitudeNatural Gas Size 8 (105059-08) - High AltitudeNatural Gas Size 9 (105059-09) - High AltitudeLP (Propane) Size 3 (104754-03)LP (Propane) Size 4 (104754-04)LP (Propane) Size 5 (104754-05)LP (Propane) Size 6 (104754-06)LP (Propane) Size 7 (104754-07)LP (Propane) Size 8 (104754-08)LP (Propane) Size 9 (104754-09)LP (Propane) Size 3 (105060-03) - High AltitudeLP (Propane) Size 4 (105060-04) - High AltitudeLP (Propane) Size 5 (105060-05) - High AltitudeLP (Propane) Size 6 (105060-06) - High AltitudeLP (Propane) Size 7 (105060-07) - High AltitudeLP (Propane) Size 8 (105060-08) - High AltitudeLP (Propane) Size 9 (105060-09) - High AltitudePVG Gas KitsChoose PVG Gas Kit SizeNatural Gas Size 5 (104755-05)Natural Gas Size 6 (104755-06)Natural Gas Size 7 (104755-07)Natural Gas Size 8 (104755-08)Natural Gas Size 9 (104755-09)Natural Gas Size 3 (105061-03) - High AltitudeNatural Gas Size 4 (105061-04) - High AltitudeNatural Gas Size 5 (105061-05) - High AltitudeNatural Gas Size 6 (105061-06) - High AltitudeNatural Gas Size 7 (105061-07) - High AltitudeNatural Gas Size 8 (105061-08) - High AltitudeNatural Gas Size 9 (105061-09) - High AltitudeLP (Propane) Size 3 (104756-03)LP (Propane) Size 4 (104756-04)LP (Propane) Size 5 (104756-05)LP (Propane) Size 6 (104756-06)LP (Propane) Size 7 (104756-07)LP (Propane) Size 8 (104756-08)LP (Propane) Size 9 (104756-09)LP (Propane) Size 3 (105062-03) - High AltitudeLP (Propane) Size 4 (105062-04) - High AltitudeLP (Propane) Size 5 (105062-05) - High AltitudeLP (Propane) Size 6 (105062-06) - High AltitudeLP (Propane) Size 7 (105062-07) - High AltitudeLP (Propane) Size 8 (105062-08) - High AltitudeLP (Propane) Size 9 (105062-09) - High AltitudeComments/Questions
