This is the Forno Massimo 48" French Door Gas on Gas Range — FFSGS6439-48. The Massimo 48 Inch French Door Gas Range delivers professional style and durability to your home kitchen with its robust stainless-steel design. The rangetop features 8 sealed burners with a total output of 107,000 BTU, including a 20,000 BTU dual-ring brass burner capable of simmering at 1,000 BTU for precision control.
Continuous cast iron grates offer cookware stability and smooth movement over a recessed enamel cooktop cavity, making cleanup effortless. The combined 6.58 cu.ft. oven capacity includes a 4.32 cu.ft. main oven with convection fan and a total oven output of 44,000 BTU. Both ovens feature a speckled blue enamel interior and 3-layer glass windows for clear visibility and heat retention. Accessories include 4 telescopic oven racks, wok support, two griddles, an air fryer kit with drip pan, and an LP conversion kit. Wrapped in high-grade stainless steel and finished with illuminated zinc knobs, the Massimo range blends power, functionality, and elegant design.
The FORNO brand of appliances follow the best European designs and fabrication methods that make them most durable and reliable. FORNO will help you preserve the timeless tradition of great cooking for your loved ones.
Why it stands out
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Easy Oven Access – Convenient left swing door for effortless entry into the oven cavity
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Premium Build – Crafted from 304 stainless steel for long-lasting durability and corrosion resistance
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Total Burner Power – 8 sealed burners deliver 107,000 BTU of total cooktop performance
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Stable Cooking Surface – Continuous cast iron grates provide even heat and allow smooth cookware mobility
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Main Convection Oven – 4.32 cu.ft. convection oven with 30,000 BTU total broil and bake output for efficient cooking
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Bright & Durable Interior – Speckled blue enamel oven interiors with 3 halogen lights for visibility and easy maintenance
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Dual-Ring Precision – 1 sealed dual-ring burner for high searing or precise simmering
More features
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Multi-Function Oven – Air fry and steam clean capabilities for healthier cooking and simplified cleanup
Key specifications
| Product Dimensions |
48" W x 29.13" D x 37.4" H |
| Cutout Dimensions |
48" W x 25" D x 36" H |
| Interior Oven Dimensions |
24" W x 14" D x 10.38" H |
| Oven Capacity |
6.58 cu. ft. |
| Weight |
394.62 lbs |
| Voltage |
120 V |
| Frequency |
60 Hz |
| Circuit Breaker Amperage |
20 A |
| Plug Included |
Yes |
| Plug Type |
NEMA 5-15P |
| Power Cord Included |
Yes |
| Power Cord Length |
5 ft. |
| Power Cord Location |
Lower Back |
| Fuel Type |
Gas |
| Gas Type |
Natural Gas Can be converted to Propane Gas (LP Conversion Kit Included) |
| Color |
Stainless Steel |
| Fingerprint Resistant |
No |
| Cooktop Features |
8 sealed burners combine a total stove-top out of 107,000 BTU |
| Burner #1 |
Front Left: 15,000 BTU |
| Burner #2 |
Rear Left: 9,000 BTU |
| Burner #3 |
Rear Right: 15,000 BTU |
| Burner #4 |
Front Right: 20,000 BTU |
| Burner #5 |
Front Left Center: 15,000 BTU |
| Burner #6 |
Front Right Center: 15,000 BTU |
| Burner #7 |
Rear Left Center: 9,000 BTU |
| Burner #8 |
Rear Right Center: 9,000 BTU |
| Total Burner Watts |
107,000 BTU |
| Convection |
Yes |
| Oven Lighting |
Yes |
| Number of Racks |
4 |
| Sabbath Mode |
No |
| Timer |
No |
| Self-Clean |
No |
| Air-Fry |
Yes |
| Storage Drawer |
No |
| Oven Preheating Indicator |
Yes |
| Warranty |
2 Years Parts & Labor |
| Certifications |
cETLus |
| Commercial Use |
No (Warranty will be void if used in a commercial setting) |
| ABOUT THE BRAND |
Inspired by the tradition of Italian cooking and the art of preparing great meals… |
| Easy Oven Access |
Convenient left swing door for effortless entry into the oven cavity |
| Premium Build |
Crafted from 304 stainless steel for long-lasting durability and corrosion resistance |
| Total Burner Power |
8 sealed burners deliver 107,000 BTU of total cooktop performance |
| Stable Cooking Surface |
Continuous cast iron grates provide even heat and allow smooth cookware mobility |
| Main Convection Oven |
4.32 cu.ft. convection oven with 30,000 BTU total broil and bake output for efficient cooking |
| Bright & Durable Interior |
Speckled blue enamel oven interiors with 3 halogen lights for visibility and easy maintenance |
| Dual-Ring Precision |
1 sealed dual-ring burner for high searing or precise simmering |
| Multi-Function Oven |
Air fry and steam clean capabilities for healthier cooking and simplified cleanup |
| Front Left |
15,000 BTU |
| Rear Left |
9,000 BTU |
| Rear Right |
15,000 BTU |
| Front Right |
20,000 BTU |
| Front Left Center |
15,000 BTU |
| Front Right Center |
15,000 BTU |
| Rear Left Center |
9,000 BTU |
| Rear Right Center |
9,000 BTU |
Delivery
Lead time depends on the manufacturer's stock and finish — call (800) 604-1380 Ext. 2 to confirm availability and lead time before you order. It ships by freight to your door; the carrier calls ahead to book a delivery window and a signature is required on delivery. Free shipping, our 30-day return policy and price matching apply.
SHIPPING POLICY
We offer FREE shipping on all orders. There are 2 methods used for shipment and delivery which are delivered curb-side:
1. FOR MOST RANGE HOODS, SINKS, FAUCETS AND ACCESSORY PRODUCTS - FedEx Ground is used for delivery. FedEx will deliver the product and leave outside of premise only with out calling to arrange delivery.
2. FOR RANGES, COOKTOP, DROP-INS, DISHWASHERS AND REFRIGERATORS - FedEx Freight is used for delivery. FedEx will call to arrange a specific delivery time and you will have to arrange to be at the ship to address to accept the product. FedEx will not deliver the product in the premise.
We do not ship to PO Boxes.
Fedex Freight delivers the product curb-side only and arrangements to move the product inside the premise will have to be made by the customer.
Full insurance is included in all shipments.
Tracking number(s) will be provided by the email supplied 1-2 business days* after the date of the order is placed and after which:
- Items shipped FedEx Ground will take 2-4 business days* after processing date.
- Items shipped FedEx Freight will take 3-5 business days* after processing date
ALL PRODUCTS INCLUDE THE FOLLOWING WARRANTY:
1. RANGE HOOD WARRANTY*:
ZLINE - All Range hoods have LIFETIME Warranty on the range hood motor fan and 3-Year warranty on range hood shell which includes control panel, stainless filters, chimney. *Extended warranty can be purchased from CPS.
THOR - All Range hoods have 2-Year warranty.
KUCHT - Range hoods have 4-year warranty on range hood shell which includes control panel, stainless filters, chimney and motor.
ILVE - All products have 2-year warranty
2. RANGES, OVENS, COOKTOPS AND DROP-INS WARRANTY:
ZLINE - All Ranges products and ovens have 1-year warranty. *Extended warranty can be purchased from CPS.
THOR - All Ovens, Cooktop and Drop-ins products have 2-year warranty
KUCHT - All products have 4-year warranty
ILVE - All products have 2-year warranty
3. SINKS WARRANTY:
ZLINE & BOCCHI sinks have LIFETIME warranty.
LATOSCANA sinks have 3-year warranty.
4. MICROWAVE WARRANTY:
All Microwaves have 2-year warranty.
5. DISHWASHER WARRANTY:
All Dishwashers have 2-year warranty.
THOR - 1-year warranty
Kucht - All products have 4-year warranty
6. FAUCETS WARRANTY:
All Faucets have Lifetime warranty.
7. REFRIGERATORS WARRANTY:
THOR - 2-year warranty
KUCHT - All products have 4-year warranty
*Please note: Extended warranty can be purchased form CPS (See above).
