The FIRMAN Power Equipment Dual Fuel Inverter Portable Generator 4000W Electric Start with CO ALERT features a control panel, outlet plugs, power settings, and two black wheels for easy mobility.
A blue and yellow FIRMAN Power Equipment Dual Fuel Inverter Portable Generator 4000W Electric Start with CO ALERT sits on grass with extension cords and a camper in the background; text reads "DUAL FUEL.
The FIRMAN Power Equipment Dual Fuel Inverter Portable Generator 4000W features electric start, a CO ALERT, dual fuel capability, a 1.8-gallon tank, LPG inlet, multiple outlets, and wheels for portability.
A labeled diagram of the FIRMAN Power Equipment Dual Fuel Inverter Portable Generator 4000W Electric Start with CO ALERT control panel, detailing switches, outlets, and meters with a numbered list explaining each component.
Image shows the FIRMAN Power Equipment Dual Fuel Inverter Portable Generator 4000W Electric Start with CO ALERT and icons for included items: battery, oil funnel, engine oil, tool kit, wheels, regulator hose, charging cable, battery charger & manuals. Lowe’s Exclusive.
Bonus accessories for the FIRMAN Power Equipment Dual Fuel Inverter Portable Generator 4000W Electric Start with CO ALERT are shown: a cover and a 25 ft (7.6 m) power cord, labeled with compatible plug types.
The FIRMAN Power Equipment Dual Fuel Inverter Portable Generator 4000W Electric Start with CO ALERT has a control panel featuring a clearly marked CO indicator light and text explaining it signals shutdown for CO or system faults.
A Lowe's exclusive, the FIRMAN Power Equipment Dual Fuel Inverter Portable Generator 4000W Electric Start with CO ALERT powers portable A/Cs, power tools, RV camping, appliances, smartphones, and laptops.
Close-up of a blue FIRMAN Power Equipment Dual Fuel Inverter Portable Generator 4000W Electric Start with CO ALERT, featuring text about FIRMAN’s 4-year warranty—available exclusively at Lowe’s.
A blue and black FIRMAN Power Equipment Dual Fuel Inverter Portable Generator 4000W with electric start and CO ALERT, yellow wheels, measures 17.9"H x 17.8"W x 27.2"L, weighs 92 lbs. Lowe’s exclusive item.
Infographic showing how to calculate generator size by adding total running watts and highest starting watts needed—ideal for choosing the FIRMAN Power Equipment Dual Fuel Inverter Portable Generator 4000W Electric Start with CO ALERT.
The FIRMAN Power Equipment Dual Fuel Inverter Portable Generator 4000W Electric Start with CO ALERT features a control panel, outlet plugs, power settings, and two black wheels for easy mobility.
A blue and yellow FIRMAN Power Equipment Dual Fuel Inverter Portable Generator 4000W Electric Start with CO ALERT sits on grass with extension cords and a camper in the background; text reads "DUAL FUEL.
The FIRMAN Power Equipment Dual Fuel Inverter Portable Generator 4000W features electric start, a CO ALERT, dual fuel capability, a 1.8-gallon tank, LPG inlet, multiple outlets, and wheels for portability.
A labeled diagram of the FIRMAN Power Equipment Dual Fuel Inverter Portable Generator 4000W Electric Start with CO ALERT control panel, detailing switches, outlets, and meters with a numbered list explaining each component.
Image shows the FIRMAN Power Equipment Dual Fuel Inverter Portable Generator 4000W Electric Start with CO ALERT and icons for included items: battery, oil funnel, engine oil, tool kit, wheels, regulator hose, charging cable, battery charger & manuals. Lowe’s Exclusive.
Bonus accessories for the FIRMAN Power Equipment Dual Fuel Inverter Portable Generator 4000W Electric Start with CO ALERT are shown: a cover and a 25 ft (7.6 m) power cord, labeled with compatible plug types.
The FIRMAN Power Equipment Dual Fuel Inverter Portable Generator 4000W Electric Start with CO ALERT has a control panel featuring a clearly marked CO indicator light and text explaining it signals shutdown for CO or system faults.
A Lowe's exclusive, the FIRMAN Power Equipment Dual Fuel Inverter Portable Generator 4000W Electric Start with CO ALERT powers portable A/Cs, power tools, RV camping, appliances, smartphones, and laptops.
Close-up of a blue FIRMAN Power Equipment Dual Fuel Inverter Portable Generator 4000W Electric Start with CO ALERT, featuring text about FIRMAN’s 4-year warranty—available exclusively at Lowe’s.
A blue and black FIRMAN Power Equipment Dual Fuel Inverter Portable Generator 4000W with electric start and CO ALERT, yellow wheels, measures 17.9"H x 17.8"W x 27.2"L, weighs 92 lbs. Lowe’s exclusive item.
Infographic showing how to calculate generator size by adding total running watts and highest starting watts needed—ideal for choosing the FIRMAN Power Equipment Dual Fuel Inverter Portable Generator 4000W Electric Start with CO ALERT.
01/01
Certification: Certification CARB Certification cETL Certification EPA
Model: wh03348

Dual Fuel Inverter Portable Generator 4000W Electric Start with CO ALERT
WHISPER Dual Duel Inverter

*Lowes Exclusive Item*

Unleash the power of the FIRMAN WH03348, a rugged and reliable dual fuel portable inverter generator built for those who demand top-tier performance. With 4000 starting watts and 3200 running watts, this generator provides the surge of power you need when it counts the most.

Weighing just 94 lbs and featuring built-in wheels and a folding handle, the WH03348 is easy to transport without compromising on power. Its 1.8-gallon tank delivers up to 9 hours of continuous run-time at 25% load, ensuring you have reliable energy throughout your adventures.

Powered by the Max Pro Series 193cc engine, the WH03348 operates efficiently and quietly at just 58dBs. Safety is key with the CO Alert carbon monoxide shutdown, while the <3% THD guarantees clean, safe power for sensitive devices.

Perfect for DIY projects, RVs, camping, or tailgating, the WH03348 offers versatile plug options and can easily be paralleled with other FIRMAN inverters for even more power. 

Experience the FIRMAN WH03348 and take your outdoor adventures to the next level with unmatched confidence.

BONUS: Included items are a medium durable and water-resistant cover, a 25-foot Power Cord 5-15P to 3x5-15R, and a Storage Strap.

ENGINEERED IN THE USA

Los generadores FIRMAN están hechos para soportar todas las condiciones, desde las frías noches de invierno hasta los calurosos días de verano y todo lo demás.

Industry-Leading Warranty

Ofrecemos una garantía de 3 años en todos los generadores portátiles FIRMAN y disponibilidad inmediata de piezas de repuesto.

Customer Support

Nuestros técnicos especializados ubicados en Peoria, AZ están disponibles los 7 días de la semana para proporcionarle el apoyo que necesita cuando más lo necesita.

193cc

FIRMAN Engine

3200/4000

Gas

3000/3750

Liquid Propane

1.8 Gallon Gas Tank

8.5 Hour Run Time

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No specifications available for this product.

Manuals

WH03348 Manual English

download

WH03348 Manual Spanish

download

WH03348 Manual French

download

WH03348 Quick Start Guide English

download

WH03348 Quick Start Guide Spanish

download

WH03348 Quick Start Guide French

download
@FIRMANpowerequipment
Image of a Woman holding a handle to an Inverter Generator and walking towards a pick up truck and trailer cart.
An image of a woman uncovering her FIRMAN Generator that is on her truck bed.
A man shows off his FIRMAN Accessories and Inverter Generator collection.
Image of a woman lifting her FIRMAN Inverter Generator with it's U-Shaped Handle
Image of a man holding a cup of coffee in the woods with a FIRMAN Power Generator that is connected to a power cord.
A FIRMAN generator is sitting on the bed of a white pick up truck. The truck is parked against a concrete wall.
Image of a small dog and a FIRMAN Inverter Generator with a suitcase handle, outside on a camping ground.
Image of a man sitting on FIRMAN Power Generator boxes and holding a small Inverter generator.