4000W Inverter Generator with CO Sensor NV4000i
The NOVUS 4000-Watt Open Frame Inverter Generator is one of the most innovative products on the market. Our advanced technology and innovative design will improve the way you power your life. Our advanced feature-packed power solution includes Quiet Technology, Extended Run Time, Economy Mode and Clean Power.
- Powerful 223cc 4-stroke OHV engine delivers strong performance.
- 4000 peak watts, 3500 running watts and runs for up to 8 hours on a 2.4 gal. gas tank.
- CO sense technology provides protection against hazardous carbon monoxide.
- Inverter technology provides clean, stable power for sensitive electronics.
- Digital display makes it easy to monitor output, frequency and runtime.
- Parallel Ready design connect two generators for double the power.
- Two year limited warranty with free lifetime technical support from dedicated experts.
429.99
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4000W Inverter Generator Features

Powerful Performance
This gas generator for home use features a 223cc 4-stroke OHV engine, delivering 4000 surge watts and 3500 rated watts. The 2.4-gallon fuel tank offers up to 8 hours of run time at 25% load.
Smart and Reliable
Equipped with inverter generator CO sense technology, it detects and alerts you to hazardous carbon monoxide, ensuring your safety during operation.


3-Mode LED Data Center
The Digital Control Center of this 4000W inverter generator shows runtime hours, voltage output, and frequency on an easy-to-read LED display.
Clean Power for Sensitive Electronics
Ideal for home and RV use, this open frame inverter generator provides stable power through a 120V 30A outlet, two 120V 20A outlets, and two USB ports.


Parallel-Ready
Need more power? Connect two inverter generators with a parallel kit (not included) to double your power output.
Package Includes
1 x gas inverter generator, 1 x User Manual, 1 x Quick Start Guide, 1 x Funnel, 1 x Engine Oil, 1 x Tool Kit.


NOVUS Support
Backed by our US-based team of experts, we provide exceptional customer service, a 2-year warranty, and free lifetime technical support for your NOVUS generator.
Inverter Generator Application Scenarios
Driven by a robust 212cc 4-stroke OHV engine, the NOVUS 4000i open-frame inverter generator provides 4000 starting watts and 3500 running watts of clean, stable energy. Ideal for home backup, construction sites, outdoor events, and RV power supply, the NOVUS 4000i stands out with reliable performance and heavy-duty endurance.

NV4000i Inverter Generator FAQ

NV4000i Inverter Generator Operation Introduction
| Generator Type | Inverter |
| Running Wattage | 3500 Watts |
| Surge Wattage | 4000 Watts |
| Rated Voltage | AC:120V |
| DC:5V | |
| Rated Amperage | AC: 29.2A |
| DC:2.1A/ 1.0A | |
| Frequency | 60Hz |
| Phase | Single |
| Grounding Type | Neutral Floating |
| Operating Altitude | Under 6562 ft. |
| Rated Run Time (max) | 8 hours @ 25% load |
| Weight | 77 lb. |
| Dimensions | Length:18.5″ |
| Width:17.3″ | |
| Height: 20.1″ | |
| Engine Model | W230Fi |
| Engine Displacement | 223cc |
| Engine Type | 4-Stroke, Air Cooled, Overhead Valve (OHV) |
| Fuel Type | Fresh, clean regular unleaded gasoline with a minimum octane rating of 87 and ethanol content of no more than 10% by volume. |
| Fuel Capacity | 2.1 gal. |
| Spark Plug | F7RTC/F7TC-Torch |
| Spark Plug Gap | 0.028-0.031 in(0.7-0.8mm) |
| Oil Type | SAE 10W-30 |
| Oil Capacity | 20 fl oz (0.6 L) |












