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The Generac Guardian series 45 kw emergency standby power generator has been discontinued and is not available for purchase at this time.

Generac Guardian Series 45 kW Emergency Standby Power Generator

(Based on expert analysis, manufacturer ratings and customer reviews)
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5
2 Reviews
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  • Features
  • Specs
  • 2
    Q&A 
  • 2
    Reviews
  • Articles
  • Accessories
Grade
Liquid Cooled Standby Generators
Style
Watts
45 kW
Rated Watts
Voltage
120/240 Single-Phase
Fuel
Engine
2.4L I-4


Product Video Disclaimer: "PED is not responsible for any variances from the product in this video and the item you purchase. Please review all product specs prior to purchase."

Emergency Standby Power Generator
Designed for large homes and small commercial buildings
Runs off natural gas or LP fuel source

Whisper-Test
Sound level comparable to an idling car
Exercises at a quiet 61 decibels at 23 feet

Automotive-Style Engine
Powerful Generac in-line 4-cylinder liquid-cooled engine

Weather Protected Enclosure
Shelters generator from weather and reduces exterior noise
Insulation lowers sound levels by 2-3 decibels

Hour Meter
Monitors for service and maintenance intervals

Automatic Shutdown
High coolant temp, low coolant, low oil pressure and overspeed

Transfer Switch (Sold Separately)
Customize your system based on your actual application

NON CARB COMPLIANT - NOT FOR SALE IN CA or MA
Engine
Engine Brand
Generac 2.4L 4-Cylinder
CC
2400 CC
Consumer Engine Warranty
2 Years
Commercial Engine Warranty
2 Years
Engine RPM
3600 RPM
Low Oil Alert/Shutdown
Yes
Product Specs
Voltage
120/240 Single-Phase
Frequency
60 Hertz
Surge Watts
45000 Watts
Rated Watts
45000 Watts
Fuel Type
LP/Natural Gas
NG Power Capacity
45000 Watts
LP Power Capacity
45000 Watts
NG Fuel Consumption @ 50% Load
373 ft3/hr (BTU: 373,000 BTU/HR)
NG Fuel Consumption @ 100% Load
730 ft3/hr (BTU: 730,000 BTU/HR)
LP Fuel Consumption @ 50% Load
4.07 gallons/hr (BTU: 369,353 BTU/HR)
LP Fuel Consumption @ 100% Load
8 gallons/hr (BTU: 726,000 BTU/HR)
Rated Amps
188 Amps @ 240 Volts (Single Phase)
Decibel Rating @ 7m
61 Test (73 Run) dbA
Transfer Switch
Automatic (Not Included)
Enclosure
Steel
Battery
Not Included (525 CCA)
Mounting Pad
Concrete (Not Included)
Cooling System
Liquid Cooled
UL Listed
Yes
Transfer Switch Circuits
Circuit Breaker Size
200 Amps
Overview
Made in USA
Yes
Weight
1414 Pounds
Product Length
77 Inches
Product Width
34 Inches
Product Height
45 Inches
Consumer Warranty
2 Years
Commercial Warranty
2 Years
UPC
696471607925
Model
QT04524ANSX
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  1 Question
Q: Will this unit work with the 25kW liquid cooled generator?
by Jon from Texas on February 08, 2011

A: The Advanced Wireless Monitor will work with Generac Air Cooled and Liquid Cooled standby models that have the Nexus controller.

There is a Harness Adapter required for 22 - 60kW Liquid Cooled models.

Harness Adapter
by Mike, Product Expert

Generac Guardian QT04524ANSX Reviews & Ratings
Overall Rating
Features
5/5
Quality
5/5
Performance
5/5
Value
5/5
Overall
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5
Pros
High Quality (1)
Reliable (1)
Quiet (1)
Durable (1)
Cons
None to display.
2 Reviews  Sort by 
 
Carol
Purchased from Electric Generators Direct
Purchased 11/9/12
Total Helpful Votes
52 Helpful Votes
REVIEWED
APR.
14
2013
5 out of 55 out of 55 out of 55 out of 55 out of 5
My Story
Searched and debated the expense of installing a whole house generator. I live in the woods literally! I have had the electricity off for up to 3+ days and that was not a fun experience. But decided to buy one that would meet all the comfort needs. Guess what? A few short months later a snow/ice storm hit. Within seconds my Generac powered up without a blink. I was in the shower and didn't even know it kicked on except the TV was resetting itself with the satellite.

My neighbor (who is a... more
Was this review helpful?
524
Larry W.
Newalla, OK
REVIEWED
JUL.
09
2014
5 out of 55 out of 55 out of 55 out of 55 out of 5
No Power Mean No Well Pump
After fires swept south of my land and the power companies started turning off power to grids, we decided the time was now to install a back up generator. Selected the 45 kW Generac for whole house and shop. We checked around and got pricing from several contractors and EGD had the best price. Delivery was as promised and set up was simple if you have the equipment to lift this size of a generator. I had everything in place and ready to go when the electrician arrived to finish.
Pros: Durable, Quiet, Reliable, High Quality
Larry Recommends This Generac Guardian Product
Larry's Experience With Electric Generators Direct
Web Site
5/5

Service
5/5

Shipping
5/5
"Talked to one of your experts and was guided in the right direction."
 more
Was this review helpful?
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Shop for the Generac Guardian Series 45 kW Emergency Standby Power Generator at Electric Generators Direct. Research Generac Guardian 696471607925 standby liquid-cooled generators online. Find Generac Guardian QT04524ANSX standby liquid-cooled generators & QT 04524 ANSX features and specifications.