Generac 7043 22kW Guardian Generator with Wi-Fi & 200A SE Transfer Switch

SKU: 7043
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Availability:
In Stock - Ships Next Business Day
$6,839.00
$6,155.10

Generac 7043 22kW Guardian Generator with Wi-Fi & 200A SE Transfer Switch Features:

Generac 7043 22kW Guardian Generator With 200A SE Transfer Switch

The Generac 7043 is a 22 kW home standby generator designed to provide whole-home backup power during outages. It includes a 200-amp automatic transfer switch, runs on natural gas or propane, operates at approximately 67 dB, and uses Generac’s durable G-Force engine for reliable long-term performance. Ideal for 2,000–4,000 sq ft homes.

What Can the Generac 7043 Power? 

The Generac 7043 can power most single-family homes, including HVAC systems, refrigerators, freezers, sump and well pumps, lighting circuits, home offices, and essential electronics. With 22 kW (LP) and 19.5 kW (NG) output, it comfortably supports whole-home coverage for typical 2,000–4,000 sq ft households.

Why Homeowners Choose the Generac 7043

The Generac 7043 is one of the most popular residential standby generators because it delivers powerful, quiet, and dependable whole-home backup with minimal maintenance. Its 22 kW output provides enough capacity to run HVAC systems, refrigeration, lighting, and critical appliances at the same time — ensuring continuous comfort and safety during an outage.

This model’s G-Force™ industrial-grade engine is designed for long-life operation with pressure lubrication and faster response under load. Paired with True Power™ Technology, the generator delivers clean, stable electricity that protects sensitive electronics such as laptops, TVs, and smart-home devices.

The included 200-amp Service Entrance-rated automatic transfer switch makes installation simple and cost-effective. When utility power fails, the switch activates the generator within seconds and restores power automatically — ideal for homeowners who want a complete turnkey backup solution.

Key Features

  • 22,000 LP / 19,500 NG watts — whole-home backup capacity

  • 200A SE Automatic Transfer Switch included — all-in-one installation package

  • Generac G-Force™ engine — durable, pressure-lubricated, and low-maintenance

  • True Power™ Technology — <5% THD for clean, stable power

  • Wi-Fi capable — with Mobile Link™ (optional) for remote monitoring

  • Quiet operation (~67 dB) — includes Quiet-Test™ mode for reduced noise and fuel use

  • Corrosion-resistant aluminum enclosure — RhinoCoat™ powder-coated for harsh conditions

  • 5-year limited warranty — backed by Generac support

What’s Included

  • Generac 7043 22kW Guardian Series Generator

  • 200A Service Entrance-rated automatic transfer switch (NEMA 3R, outdoor rated)

  • Composite mounting pad

  • User guide & installation documentation

Best Use-Cases

  • Whole-home backup for 2,000–4,000 sq ft homes

  • Homes with central air conditioning, well pumps, sump pumps

  • Backup for critical medical equipment

  • Smart-home households with sensitive electronics

  • Rural or outage-prone regions

How the System Works

  1. The transfer switch monitors your home’s utility power.

  2. When an outage occurs, it automatically starts the generator.

  3. Within seconds, the switch transfers your home to generator power.

  4. When utility service returns, the switch transfers back and shuts the generator down.

Pros & Cons

Pros

  • Complete package includes 200A SE transfer switch

  • Powerful enough for most full-home applications

  • Quiet & fuel-efficient self-test mode

  • Clean power safe for sensitive electronics

  • Rugged aluminum enclosure ideal for coastal or harsh climates

Cons

  • Requires professional installation

  • Wi-Fi remote monitoring requires optional Mobile Link module

Side-By-Side Comparison: 7043 vs 7042

Feature Generac 7043 Generac 7042
Running Output 22 kW LP / 19.5 kW NG 22 kW LP / 19.5 kW NG
Transfer Switch Included — 200A SE Not included
Enclosure Aluminum RhinoCoat™ Aluminum RhinoCoat™
Noise Level ~67 dB ~67 dB
Monitoring Wi-Fi capable Wi-Fi capable
Best For Turnkey whole-home package Custom or switch-replacement installs

Quick Specs

Category Details
Output 22,000 LP / 19,500 NG Watts
Engine Generac G-Force™ Pressure-Lubricated
Fuel Type Natural Gas or Propane
Enclosure Aluminum with RhinoCoat Finish
Transfer Switch 200A SE, NEMA 3R Outdoor Rated
Sound Rating ~67 dB
Warranty 5 Years
Monitoring Mobile Link™ compatible (Wi-Fi capable)

FAQ's

Q: Will the Generac 7043 run my whole house?
Yes. For most 2,000–4,000 sq ft homes, the 22 kW output is sufficient to run HVAC, refrigeration, pumps, lights, and essential circuits simultaneously. Your electrician can verify exact load requirements.

Q: Does this model include the transfer switch?
Yes, the 7043 includes a 200-amp Service Entrance-rated automatic transfer switch, making it a complete installation kit.

Q: How loud is the Generac 7043?
The generator operates at approximately 67 dB — quiet for its size — and has a low-RPM Quiet-Test™ mode.

Q: Can I monitor the generator from my phone?
Yes. It is Wi-Fi capable and compatible with Generac’s Mobile Link™ remote monitoring (module sold separately).

Final Summary

The Generac 7043 22kW Guardian provides a complete whole-home backup solution with enough power to support HVAC, appliances, lighting, and essential circuits. Its included 200A automatic transfer switch simplifies installation, while the durable G-Force engine, quiet performance, and safe low-THD power make it one of the most reliable and cost-effective standby generators available today.

 

TECHNICAL SPECS & DOWNLOADS
  • 5
    A Beast

    Posted by Sam Keller on May 12, 2017

    this Generac 7043 is a beast. Powers the whole house. Easy install and came right on when we lost power this week. Shipped fast from AP

  • 5
    Generac 7043 22kW Guardian Generator with 200A SE Transfer Switch

    Posted by Tony on Apr 05, 2017

    My neighbor and I purchased the generators at the same and AP Electric gave us a discount despite being the lowest price on the web. Fast delivery and the generators arrived quickly and unblemished. Will do business with this website again.

  • 5
    No Worries

    Posted by T. Trier on Apr 05, 2017

    AP electric is very easy to work with. I purchased my Generac 7043 during a sales promotion and they were willing to store my generator for several weeks before I needed it. Great Company to work with.

  • 5
    Very Nice

    Posted by R. Wagner on Apr 05, 2017

    We are done with power outages for ever. Best price and great tracking on the delivery. Our electrician had no issues on the install.

  • 5
    Just What we Needed

    Posted by Tom &amp; Mary Thompson on Apr 05, 2017

    Perfect transaction on our purchase of out Generac 7043 22kW generator. Great tech support. Best price and fast delivery. Mhat more could you ask for,

  • 5
    Generac 7043 22kW Guardian Generator with 200A SE Transfer Switch

    Posted by Doug H. on Mar 09, 2017

    Love it. Great tech support from AP Electric &amp; Generators. Best Price and Super Fast Shipping (2 days!). Great company

  • 5
    Perfect

    Posted by Todd Stewert on Mar 09, 2017

    Power outage yesterday so I thought I would quick write a review on how pleased I am with my purchase of Generac&#039;s 7043 22kW Guardian Generator with 200A SE Transfer Switch. fired up like a dream. It is still running as a matter of fact as power is still out. I have a lot of new friends as a result. I am happy with my investment.

  • 5
    Great Product.

    Posted by P. Sawacki on Feb 13, 2017

    We are extremely happy with our purchase of a Generac 22kw generator. Cheaper than Kohler and according to our eletrician better than Kohler. This website and the people that operate it are fantastic. We asked many questions before purchase and they answered all of our questions and very patient with us. Never a high pressure sales pitch. Thanks

  • 5
    Great Home Standby Generator

    Posted by Tom and Helen Miller on Feb 13, 2017

    If you want to power up your entire house you can&#039;t go wrong with this Generac 7043 22kw home standby generator. You are also in good hands ordering from the website. We ordered our generator on Monday and it arrived on Wednesday in perfect condition. We are very satisfied customers.