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Westinghouse 12,500-Watt Home Backup Gas Powered Portable Generator EXPIRED

$711
$948.00
+ Free Shipping
+27 Deal Score
17,160 Views
Amazon has Westinghouse 12,500-Watt Home Backup Gas Powered Portable Generator w/ Remote Electric Start & Auto Choke (WGen9500) on sale for $711. Shipping is free.

Thanks to Slickdeals QA Staff Member dimjim for finding this deal.

Key Features:
  • 9500 Running Watts and 12500 Peak Watts; Remote Start With Included Key Fob, Electric and Recoil Start; Up to 12 Hours of Run Time on a 6.6 Gallon Fuel Tank With Fuel Gauge
  • Features Two GFCI 120V 5–20R Standard Household Receptacle, One Transfer Switch Ready 120V L14-30R, One RV Ready 120/240V 14–50R, and Two 5V USB Ports; All Outlets Have Rubber Covers for Added Safety
  • Powered by a Heavy Duty 457cc Westinghouse 4-Stroke OHV Engine Featuring a Long-Lasting Cast Iron Sleeve With Automatic Low Oil Shutdown and Digital Hour Meter
  • Plug-and-Play: Comes With a Remote Start Key Fob, 12V Battery Charger, Oil, an Oil Funnel, a Tool Kit, and a User's Manual to Get You Started Right Out of the Box (Minimal Assembly Required)

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  • About this product:
    • This generator has a 4.7 out of 5 star overall rating on Amazon based on over 11,000 reviews.
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Amazon [amazon.com] has Westinghouse 12500 Watt Home Backup Portable Generator, Remote Electric Start with Auto Choke, Transfer Switch Ready 30A & 50A Outlets, Gas Powered, CARB Compliant on sale for $711. Shipping is free.
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Doesn't matter. The way 240v is fed into your house, imagine that you have a line down the middle of your breaker panel* where that voltage is 0. The left side of the panel is -120v to 0, so a 120v difference, and the right side is 0 to +120, so also a 120 difference. Small circuits, like TVs and lights, only go halfway across. If you hook up a big appliance from left to right, you're going from -120 to +120v=240v. So a 240v generator feeds both sides of the panel, which is the whole house. A 120v generator could only do left-to-middle or right-to-middle, but not both. This one will run the full 12k over that 50A plug, and split the load between the two sides of your panel.

*Slight over simplification for explanation purposes.
THD is rated < 23%. That's really high - you would need something like a UPS with sine wave to not fry your electronics.
Just a thought for the gallery.....up to 13 hours on 6.gallons. Let's call it 12 gallons per day. If you feel like you are covered for the event of say a 3 day outage, you're going to need to buy some gasoline storage.

There are whole house stand-by generators designed to handle longer duration outages that usually run on LP or natural gas. Storage and delivery is less of a problem (usually). And, yes these are $$thousands installed. I am not comparing the posted deal to these for the sake of price, only to stimulate consideration of what the actual function will be.

A large and inefficient gasoline generator is a pretty minimalist approach and would likely only serve for 24-48 hours due to its thirst for fuel. A much smaller and much more efficient inverter generator might be a a good companion to such a behemoth. Something like recent 4kw offerings will run your refrigerator/freezer and a whole bunch of other convenience items in your home and only use about 4 gallons of gasoline per day.

No knock on the OP deal. I am just suggesting there would best be some consideration regarding how a generator such as this fits into one's emergency power plan.

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#3
How does this work if you only connect to the far right connector w/ 50 amps? I have this type of plug running to a small panel coming off the main that is used to power a portion of the house.

Does this mean I could only draw a max of 120 * 50 = 6000w from this one plug and the rest can only be pulled from the other plugs? Is there anyway to combine everything into the far right plug?
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#4
Quote from XMotoX :
How does this work if you only connect to the far right connector w/ 50 amps? I have this type of plug running to a small panel coming off the main that is used to power a portion of the house.

Does this mean I could only draw a max of 120 * 50 = 6000w from this one plug and the rest can only be pulled from the other plugs? Is there anyway to combine everything into the far right plug?
Also curious about this
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#5
Main item page says the 50A output is 120V/240V, so 240V would get you to 12kW.
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#6
Quote from chrispitude :
Main item page says the 50A output is 120V/240V, so 240V would get you to 12kW.
Everything I'd be using would be 120v
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#7
In lay terms:

U.S. electricity provides two legs at 120 volts. Most household devices use only 1 leg (120 volts) Your Dryer and HVAC use both legs (240 volts)

Amps = Watts ÷ Volts

50= 12000/240

Or

100= 12000/120
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#8
THD is rated < 23%. That's really high - you would need something like a UPS with sine wave to not fry your electronics.
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#9
Quote from XMotoX :
Everything I'd be using would be 120v
240v main power goes into your house. Your sub might be wired to feed into the main panel similarly. The plug you used may only power part of the house because you've only run 120v to just one leg using another generator that didn't output 240. So you might have only been delivering to one side of the breaker box.
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#10
Quote from XMotoX :
Everything I'd be using would be 120v
Doesn't matter. The way 240v is fed into your house, imagine that you have a line down the middle of your breaker panel* where that voltage is 0. The left side of the panel is -120v to 0, so a 120v difference, and the right side is 0 to +120, so also a 120 difference. Small circuits, like TVs and lights, only go halfway across. If you hook up a big appliance from left to right, you're going from -120 to +120v=240v. So a 240v generator feeds both sides of the panel, which is the whole house. A 120v generator could only do left-to-middle or right-to-middle, but not both. This one will run the full 12k over that 50A plug, and split the load between the two sides of your panel.

*Slight over simplification for explanation purposes.
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Last edited by mavalpha November 21, 2022 at 06:43 AM.
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#11
Quote from theescapee :
In lay terms:

U.S. electricity provides two legs at 120 volts. Most household devices use only 1 leg (120 volts) Your Dryer and HVAC use both legs (240 volts)

Amps = Watts ÷ Volts

50= 12000/240

Or

100= 12000/120
Guessing the the person giving you a thumbs down didn't understand the 100= 12000/120

They mean you get two 50amp poles that are capable of 6000 watts which in turn give you a total of 12,000 watts.


Here's a visual compared with the standard 120 rv plug https://ibb.co/fN1jznz
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#12
Quote from XMotoX :
Everything I'd be using would be 120v
Electric panels are 240v...every genny is setup this way
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#13
Quote from XMotoX :
How does this work if you only connect to the far right connector w/ 50 amps? I have this type of plug running to a small panel coming off the main that is used to power a portion of the house.

Does this mean I could only draw a max of 120 * 50 = 6000w from this one plug and the rest can only be pulled from the other plugs? Is there anyway to combine everything into the far right plug?
Using the 50A plug is the ideal setup, that is all you need. Get the proper cord and plug it into your emergency panel, which is what it sounds like you have. No need to do anything else
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#14
Quote from CyanLeopard7900 :
THD is rated < 23%. That's really high - you would need something like a UPS with sine wave to not fry your electronics.
If the THD is high many consumer UPS devices will go to battery only and not charge. You would need a more expensive online dual conversion UPS.
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#15
This is an amazing deal. I bought it on sale for 911 2 years ago. At 711 it is a no brainer if you're looking for a generator
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