24 kW Propane · 21 kW Natural Gas 200 Amp Automatic Transfer Switch Included Mobile Link WiFi Monitoring G-Force 999cc V-Twin True Power — Under 5% Distortion UL-2200 Listed · 5-Year Warranty Ships Within The United States 24 kW Propane · 21 kW Natural Gas 200 Amp Automatic Transfer Switch Included Mobile Link WiFi Monitoring G-Force 999cc V-Twin True Power — Under 5% Distortion UL-2200 Listed · 5-Year Warranty Ships Within The United States
Ships within 1–2 business days · Delivered in 7–14 business days
Generac 7210 Guardian 24kW Standby Generator WiFi w/ 200 Amp Automatic Transfer Switch New
24kW · Natural Gas or Propane · 200A Transfer Switch Included

24 kilowatts.Starts itself.

The Generac 7210 Guardian watches the utility and takes over on its own. When the grid drops the 200-amp automatic transfer switch moves the whole house across in seconds, the G-Force 999cc V-Twin runs it on natural gas or propane for as long as the fuel holds, and when mains power returns the house is handed back without anyone touching anything. Mobile Link WiFi reports its status to your phone from anywhere in the world.

4.4· 63 reviews
$2,259.00$6,677.00Save $4,418.00
  • ⚡ 24kW on propane · 21kW on natural gas, 120/240V at 100 amps rated
  • 🔌 200-amp NEMA 3R whole-house automatic transfer switch included in the box
  • 📶 Mobile Link WiFi — check status from a phone, tablet or computer, anywhere
  • 🛠️ Pressure-lubricated G-Force 999cc V-Twin with cast iron sleeves
  • 🔇 Quiet-Test self-test runs at lower RPM — 57 dBA, against 67 dBA at full load
  • 🇺🇸 Engineered and assembled in the USA · UL-2200 listed · 5-year limited factory warranty

Fuel

1
24kW Home Standby★200 Amp Transfer Switch Included★Mobile Link WiFi Monitoring★Ships Across The United States★

Built to run

Engineered to sit outside and wait

Feature 01

200-amp automatic transfer switch

The RXSW200A3 ships in the box: a 2-pole, 200-amp, whole-house rated NEMA 3R switch for indoor or outdoor mounting. It senses the outage, starts the generator and moves the house across, then hands back to the utility when it returns.

Feature 02

Pressure-lubricated G-Force engine

A 999cc V-Twin with pressure lubrication and cast iron cylinder sleeves, purpose-built for standby duty rather than adapted from a portable. Pressure lubrication is what lets it run long outages and stretch the intervals between services.

Feature 03

Evolution controller and Quiet-Test

A multilingual LCD Evolution controller tracks maintenance and reports faults, and Quiet-Test runs the weekly self-test at reduced RPM — 57 dBA instead of 67 at full load, on less fuel.

Feature 04

True Power under 5% distortion

Less than 5% total harmonic distortion means clean output for sensitive electronics, inverter appliances and variable-speed motors — the difference between powering a modern house and merely energising it.

Technical specs

The hard numbers

Model
Generac 7210 Guardian
Power Rating
24 kW (propane) / 21 kW (natural gas)
Voltage
120/240 V, 60 Hz
Amperage
100 A rated
Engine
Generac G-Force, 999cc, 3600 RPM, air-cooled
Transfer Switch
RXSW200A3 — 200 A, 2-pole, whole-house
Fuel Use (Full Load)
306 cu ft/hr natural gas · 3.9 gal/hr propane
Fuel Use (Half Load)
203 cu ft/hr natural gas · 2.5 gal/hr propane
Noise Level
57 dBA Quiet-Test · 67 dBA full load at 7 m
Dimensions
48" L × 25" W × 29" H
Weight
455 lbs
Battery
12V Group 26R (540 CCA) or 35AGM (640 CCA) — not included
Enclosure
RhinoCoat powder-coated aluminium
Listing
UL-2200 · certified for 18-inch-to-home installation
Warranty
5-year limited factory warranty
Condition
New

When the grid stops

The whole house, not a few sockets

A 200-amp transfer switch is a whole-house switch: air conditioning, well pump, furnace, fridge and freezer, lighting and every circuit in the panel, not a hand-picked handful on an extension lead. It happens by itself within seconds of the utility dropping, whether anyone is home or not, and reverses when mains power returns. True Power technology holds total harmonic distortion under 5%, which is what makes it safe for the electronics, variable-speed motors and control boards a modern house is full of.

4.4

Based on 63 reviews

Lisle Brathwaite
21 Jul 2026
So good. Does the job perfectly
mjlevan
14 Jun 2025
Great Purchase - If you are thinking about it do it!! Started out not so good - shipping company called me the morning of the delivery and told me that the unit was too damaged to deliver. I did appreciate that being done before delivery and having to go through the order process again. Order was placed again and another shipping company delivered with no damage or issues. They even placed the pallet in my garage. Other shipping vendors wanted to charge a whole lot extra to place anywhere besides the street. … Once installed, the unit has worked flawlessly and is a huge sigh of relief for this homeowner who lives on the Gulf Coast. Buy the unit separately and DIY an install or find Ana contractor who will give you an install only price. You will save thousands as opposed to buying from one of those huge generator outfits.
WeekendWarrior
26 Jun 2024
Awesome generator! Bought this Generac 24kw whole house generator to have automatic power transfer during outages, it came with a 200amp transfer switch and a bunch of useful features. It was packed well and bolted on a pallet, the cardboard carton that surrounded it was a little worse for wear but the contents were fine (undamaged). Note: the generator requires a battery but it’s not included, and if you live in cold weather country you’ll want to order the cold kit which includes a battery warmer and oil filter warmer (worth the money). Also, if you have home wireless there are several features you can take advantage of including Generac’s mobile link which allows for remote monitoring and alerts etc. (visit their site and read more there). I must say the unit is much quieter than I though it would be, I fired the unit up to initialize and we let it run for a bit while we reignited it etc., by wife was in a bedroom right next to where the unit is located and she did not hear a thing. Standing right in front of it with the covers on and shut its extremely quiet, very impressive! (Note: I’m using LP gas and I understand that is quieter than natural gas. (This generator will use either once you set it up right, just a lever to move.) overall very happy with my purchase. Had to use customer support for a few minor things, they were quick and professional.
M Roz
24 May 2026
Work great. Love it

Transfer Switch Included

200-amp whole-house switch, in the box.

Free U.S. Shipping

Processed in 1–2 business days, delivered in 7–14.

Talk To A Person

Real people · +1 (405) 309-3910

30-Day Returns

Uninstalled, unfuelled and in original packaging.

Power that does not wait for you to be home

Ships within the United States, processed in 1–2 business days and delivered in 7–14. A standby generator is a permanent installation: siting, the gas connection and the transfer-switch wiring must be done by a licensed electrician and gas fitter. Call +1 (405) 309-3910 before you buy and we will talk through sizing, fuel and what your install needs.

$2,259.00$6,677.00

✓Ships within the United States✓Processed in 1–2 Business Days✓30-Day Returns