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How to Easily Size a Primary Sump Pump
How to Easily Size a Primary Sump Pump

Basement Watchdog BW1033 - 1/3 HP Cast Iron Submersible Sump Pump w/ Vertical Float Switch

Basement Watchdog BW1033 - 1/3 HP Cast Iron Submersible Sump Pump w/ Vertical Float Switch
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Model: BW1033
(Based on expert analysis, manufacturer ratings and customer reviews)
4.1 out of 54.1 out of 54.1 out of 54.1 out of 54.1 out of 5
Number of Reviews (11)
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$123.99
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  • Product Description
  • 11
    Reviews
  • 10
    Product Q&A
  • Recommended Accessories
  • How-To Articles
  • Manuals
Product Description
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Style
Primary Sumps Pumps
GPH
3600
Gallons
Switch Type
Vertical Float Switch
Style
Primary
GPH
3600 Gallons
Switch Type
Vertical
Features
Features
  • Submersible Sump Pump w/ Dual Float Switch
  • Ideal for average water removal
  • Energy Efficient, Thermally Protected Split Capacitor Motor
  • Use only 3.5 Amps (compared to 10+ amps on other pumps)
  • Pump will pay for itself in energy savings
  • Dual Float Switches w/ Protective Cage
  • Protective cage prevents debris/wires from interfering w/ float
  • Provides added redundancy, Won't get hung up
  • Industrial Strength Design
  • Dual seals to protect the motor
  • Upper & lower ball bearings
  • Excellent E-rated insulation
  • Cast Iron/Cast Aluminum Construction
  • Stainless steel shaft and fasteners will not corrode
  • Water Cooled Design
  • No oil to leak, pump is environmentally friendly
Specifications
Base
Min Sump Basin Size
10 Inch
Motor
Voltage
120 Volt
Running Amps
3.5
Thermal Protection
Yes
Power Cord Length
10 Feet
Oil Free Motor
Yes
Starting Amps
7
Pump
Housing Material
Cast Iron
Handles Solids
No
Float Type
Vertical Float
GPH @ 0 feet
3600
GPH @ 10 feet
2600
Discharge Port Size
1-1/2 Inch
Built-in check Valve
No
Float On
Adjustable
Float Off
Timer Based
Manual Override
Yes
Engine
Horsepower
.33 hp
Overview
Weight
13 Pounds
Made in USA
No
Consumer Warranty
3 Years
Product Width
6 Inches
Product Height
12 Inches
UPC
717301121746
Style
Primary Sumps Pumps
GPH
3600
Gallons
Switch Type
Vertical Float Switch
Style
Primary
GPH
3600 Gallons
Switch Type
Vertical
Features
Features
  • Submersible Sump Pump w/ Dual Float Switch
  • Ideal for average water removal
  • Energy Efficient, Thermally Protected Split Capacitor Motor
  • Use only 3.5 Amps (compared to 10+ amps on other pumps)
  • Pump will pay for itself in energy savings
  • Dual Float Switches w/ Protective Cage
  • Protective cage prevents debris/wires from interfering w/ float
  • Provides added redundancy, Won't get hung up
  • Industrial Strength Design
  • Dual seals to protect the motor
  • Upper & lower ball bearings
  • Excellent E-rated insulation
  • Cast Iron/Cast Aluminum Construction
  • Stainless steel shaft and fasteners will not corrode
  • Water Cooled Design
  • No oil to leak, pump is environmentally friendly
Specifications
Base
Min Sump Basin Size
10 Inch
Motor
Voltage
120 Volt
Running Amps
3.5
Thermal Protection
Yes
Power Cord Length
10 Feet
Oil Free Motor
Yes
Starting Amps
7
Pump
Housing Material
Cast Iron
Handles Solids
No
Float Type
Vertical Float
GPH @ 0 feet
3600
GPH @ 10 feet
2600
Discharge Port Size
1-1/2 Inch
Built-in check Valve
No
Float On
Adjustable
Float Off
Timer Based
Manual Override
Yes
Engine
Horsepower
.33 hp
Overview
Weight
13 Pounds
Made in USA
No
Consumer Warranty
3 Years
Product Width
6 Inches
Product Height
12 Inches
UPC
717301121746
Product Specs
+−
Specifications
Base
Min Sump Basin Size
10 Inch
Motor
Voltage
120 Volt
Running Amps
3.5
Thermal Protection
Yes
Power Cord Length
10 Feet
Oil Free Motor
Yes
Starting Amps
7
Pump
Housing Material
Cast Iron
Handles Solids
No
Float Type
Vertical Float
GPH @ 0 feet
3600
GPH @ 10 feet
2600
Discharge Port Size
1-1/2 Inch
Built-in check Valve
No
Float On
Adjustable
Float Off
Timer Based
Manual Override
Yes
Engine
Horsepower
.33 hp
Overview
Weight
13 Pounds
Made in USA
No
Consumer Warranty
3 Years
Product Width
6 Inches
Product Height
12 Inches
UPC
717301121746
Reviews
4.1 out of 54.1 out of 54.1 out of 54.1 out of 54.1 out of 5
(11)
+−
Basement Watchdog BW1033 Reviews & Ratings
78% of Reviewers Recommend This Product
Product Q&A
(10)
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Search Product Q&A's Answered by Jim, the Sump Pump Expert
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Jim Help my sump pit/sump basin is 7" in diam I think the closest unit is the bw1033 although the specks say 10" sump basin size the unit is size is 6" Can I use the bw1033 in a 7" diam pit ?
Ernie 
from Colorado 
May 13, 2015
Answer
Unfortunately, this is the smallest diameter pump that we offer and in this scenario you would need to take your own risk. A 7" diameter basin would make this an extremely tight fit and I would not recommend it.
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What does min. sump basin size mean?
John D 
from Massachusetts 
February 02, 2013
Answer
The minimum sump basin size relates to the minimum size of your sump basin or pit, that a specific pump will safely operate in. Any pump needs a certain amount of space due to "on/off" levels, cooling factors and cycling that the pump is designed for. Most pumps will require a standard size basin of 18" wide by 24" deep but some will also operate in smaller basins. You want to pay very close attention to these requirements as they will insure a longer pump life.
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I would like to know how many watts a 1/3 or 1/2 hp sump pump has, because i was think of buying a portable generator in case the power goes off.
Tom B. 
from New York 
September 03, 2012
Answer
That really depends on the pump. Some are more efficient than others. For example, the 1/3HP Basement Watchdog model BW1033 has a running amp rating of 3.5 and a starting amp rating of 7. When you figure the watts by the formula of amps times volts equals watts ( A X V = W), you get 420 running watts and 840 starting watts. But when you look at the Zoeller 1/3HP model M53, that pump has a running amp rating of 9.6 and a starting amp rating of 29.6 or 1152 running watts and 3552 starting watts.
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bw1033 can i use 2 pumps in the same pit, and set one with the float higher for use as a secondary
Russell Chasin 
from New York 
August 13, 2012
Answer
With a 6 inch diameter, these pumps are the smallest footprint pumps that we offer. And as long as you have enough room, and you mention that you have 16 inches to work with, you should be fine. The 2-pump system is quite common for situations of sporadic heavy downpours and possible flooding and is a very good solution as opposed to over sizing a single pump and most likely reducing the life of that pump.
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I don't know which model sump pump to purchase or which model is appropriate for my home. How do I go about doing that?
Harry  
from Illinois 
May 20, 2012
Answer
If you are replacing a sump pump and the pump has performed well for you in the past, it's best to replace it with a pump that matches the horsepower and/or gallons per hour rating as close as possible. If that information is unknown and the original pump's brand and model number is still visible on the pump, you can always look it up on the internet or call us for more help. If no information is available, an average sized home in a typical water table can usually use a 1/3HP - 1/2HP sump pump. Submersible sump pumps are more popular and will usually run quieter and last longer than pedestal sump pumps. You can also click HERE for more information on how to pick the perfect sump pump.
If you have additional questions, please let me know or give me a call.
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I was concerned that as often as our pump works I should have a replacement pump in case the primary fails and an alarm if the power goes out. i was thinking of a pump that is more quiet and then using our old one as a backup. i'm not sure if I like the idea of a battery backup. any suggestions?
Ells Snyder 
from Maryland 
December 10, 2011
Answer
A backup is never a bad idea as long as you're home when and if "the" event takes place. A BATTERY BACKUP System would be good insurance and would help ease your fears of having some pumping capability should you be away from home when a severe storm hits. Most systems will give you approximately 7 hours of continuous runtime or 24 - 48 hours of non-continuous runtime. The other consideration would be a STANDBY GENERATOR. This option would also give you peace of mind for your pump, refrigerator, heating or cooling, garage door and security system.
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What is the height of water when the pump cuts in and what is the height that it draws down to and cuts off. I would be using this to pump water from a 'wet bar' up about 8 ft. into my inside water drain pipes.
Herb Redmond 
from Maryland 
April 26, 2011
Answer
The dual float switch on this system actually mounts to the discharge pipe so you can set it at any height you desire. Keep in mind that the discharge connects to the top of this pump. The height of the pump is 12 inches so that would be the minimum that you could get this pump to turn on at.
Per the instructions:
The dual float switch contains two large floating rings enclosed within a protective cage. Water will lift the bottom float by a 1⁄4 inch, which will activate the pump. If
for any reason the lower float does not activate the pump, the water will rise and activate the second switch. As the pump evacuates the water from the pit the floats will drop. The pump will run for an additional 10 seconds to extend the cycle after the lower float drops.
Note: When mounting the float switch, position the bottom of the cage at the height you want the pump to activate.
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My Sump Pump is constently running. It does not shut off. I was trying to find the floater for the sump pump, but I could not find it. It look like the Sump Pump with the vertical floater switch, but I do not see the Vertical Floater Swithch. What can I do to get the sump pump working like it should :(
Tracy 
from Maryland 
March 17, 2011
Answer
If your pump is a 120V sump pump, I would suggest the StormPro Model SP20A201 vertical float switch or the Basement Watchdog Dual Float Switch and Controller, model BWC1, as long as your pump is not drawing more than 15 amps.
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What is the max head pressure for the model BW1033?
Sherry 
from Wisconsin 
January 11, 2011
Answer
Hello Sherry,
The BW1033 is a new model even though Basement Watchdog has had that part number for a while. They have not conducted testing on TDH or max head. You are welcome to contact Jim Curren at Glentronics at 800-991-0466 x20 and he would be more than happy to help you out in answering your question.
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Would this pump be suitable for a 12' x 12' basement?
Cody Dix 
from Ohio 
January 10, 2011
Answer
The interior dimensions of a basement aren't a major factor in sizing a sump pump correctly.

Monitoring your current pump during normal operation and during a storm can give you a better idea of what size pump you would need.
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