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The ion 1/2 hp cast iron stainless steel sump pump w/ adjustable vertical float (20' cord) hp20308 is available for purchase today.

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iON 1/2 HP Cast Iron Stainless Steel Sump Pump w/ Adjustable Vertical Float (20' cord) HP20308

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iON Products Sump Pumps and AccessoriesModel: BA-50M
(Based on expert analysis, manufacturer ratings and customer reviews)

4.9 out of 54.9 out of 54.9 out of 54.9 out of 54.9 out of 5
59 Reviews
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  • Features
  • Specs
  • 17
    Q&A 
  • 59
    Reviews
  • Articles
  • Shipping
  • Accessories
Style
Primary Sumps Pumps
GPH
4500
Gallons
HP
1/2
Horse Power
Switch Type
Vertical Float Switch
Powerful & Efficient Submersible Pump
Ideal for heavy-duty sump applications

Cast Iron Stainless Steel Construction
Ensures years of reliable operation

Adjustable Vertical Switch
Reduce pump cycles in deeper pits or areas w/ higher water tables

Thermally Protected Motor
Oil-filled, prevents overheating

Cast Iron Impeller
Offers reliable pumping

Stainless Steel Screened Intake
Prevents debris from entering the pump

Poly Resin Top Cap and Handle
Made for easy installation and maintenance

Piggyback Pump and Switch Cord Assembly
Made for easy serviceability

20' Cord


Need Help? Ask Our Sump Pump Experts.
Base
Min Sump Basin Size
10 Inch
Motor
Running Amps
5.8
Thermal Protection
Yes
Power Cord Length
20 Feet
Oil Free Motor
No
Starting Amps
20.4
Pump
Housing Material
Stainless Steel
Solids Handling Size
.5 inch
Float Type
Vertical Float
GPH @ 0 feet
4500
GPH @ 5 feet
4200
GPH @ 10 feet
3660
GPH @ 15 feet
3060
GPH @ 20 feet
2400
Discharge Port Size
2 Inch
Built-in check Valve
No
Float On
Adjustable
Float Off
Adjustable
Manual Override
Yes
Overview
Made in USA
No
Weight
30 Pounds
Product Length
8.75 Inches
Product Width
5.75 Inches
Product Height
13.9 Inches
Consumer Warranty
3 Years
Model
BA-50M
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  17 Questions
Q: My water softener wash tube discharges into my sump pit. Will the Storm Pro BA Series Pump hold up to the salt water in the pit?
by Jim T from Ohio on January 29, 2014

A: The StormPro pumps are actually one of the few pumps that we offer that are designed for saltwater, so you should be fine!
by Jim, Product Expert
Q: i just purchased this pump and do i need to drill a relief hole in the discharge pipe?
by Dan N from Illinois on June 11, 2013

A: You should always drill a "weep" hole in your discharge pipe to help prevent air lock in your discharge pipe between the discharge port of the pump and the check valve. I recommend drilling a 1/8" or 3/16" diameter hole about 4" up from the base of the discharge port of your pump into your PVC discharge pipe. Drill the hole at a 45 degree angle with the hole pointing toward the bottom of your sump basin.
by Jim, Product Expert
Q: Is this pump capable of handling water softener and washing machine discharge?

if not, which brand/model can?

by Steve K from Wisconsin on June 06, 2013

A: Generally, sump pumps are not recommended for use in a water softener and/or laundry application. Just about all manufacturers will void the warranty if the pump is installed and fails in this application. You might check out our selection of LAUNDRY / DRAIN PUMP SYSTEMS as most of these self contained systems are designed for laundry and water softener applications.
by Jim, Product Expert
Q: Hi Jim

I have a handful of questions about your StormPro BA-50M.

1. How adjustable is the float switch? I get that I can mount it on the discharge hose and make the pump turn on at any height I choose. But can I, for example, set the pump to turm on at 25" and turn off at 3"? Or do I have a limited range of play between the on/off settings?

2. Is the manual override switch physically located on the pump casing or is there an option for remote control via a cord?

3. Is the outlet port 2" FNPT?

4. Is the float switch mercury free?

5. Is there any way I can get my hands on the user manual prio to purchasing this pump? (PDF download or similar?)

6. And... do you sell to Fed. Gov Agencies? If yes, do you have a special department or person that I need to contact?

Thanks! Have a great day!

by Mon Kwong from Virginia on March 07, 2013

A: The vertical float switch for the StormPro pumps have a 6-1/2" differential, so they will only pump out between 6-1/2" - 7" of water no matter what height you clamp it down at. For more control on your pump run time, you might consider the Pro Series - Standard Controller System w/ Dual Vertical Float Switch, model DFC1 which will activate the pump for 10 seconds once the float drops to it's original position or the Pro Series - Deluxe Controller System w/ Dual Vertical Float Switch, model DFC2, which gives you the option of setting your pump run time from 5-45 seconds once the float drops to it's original position.

The StormPro pump does not provide for a manual override switch. If you wish to use the pump manually, you simply remove the vertical float switch and plug the pump into your AC outlet direct.

The discharge port on the BA-50M is a 2" female NPT.

The float switch is, as all are required to be, mercury free.

You can access the operation manual
HERE.

We do sell to government agencies however, we do not accept PO's for payment.

If you have additional questions, please let me know.
by Jim, Product Expert
Q: Hi Jim! I own a couple 1/2's and a 1/3 hp storm pros. I just saw that they are not "Oil Free" pumps, does that mean they need any oil maintenance, why would they mention it otherwise? Didn't see any oil notes elsewhere. Thank you!
by Vince P from New Jersey on December 28, 2012

A: The StormPro pumps are oil filled to help keep the pump cool and generally do not require any oil maintenance. This is usually mentioned on all our pumps since some are oil filled and some are not. The non-oil filled pumps are considered water-cooled and are safe for applications that might require a continuous duty waterfall in a fish pond or some other environment that would include aquatic life.
by Jim, Product Expert
Q: Can the StormPro 1/2 HP Cast Iron Stainless Steel Sump Pump be used with back-up battery or it must be plug in to an electrical outlet.
by JAMES P from New York on September 24, 2012

A: The StormPro model BA-50M, 1/2HP sump pump is designed to be operated on 120 volts AC. There currently is no battery capable of powering a 120 volt primary sump pump. The only possible options would be an AUXILARY POWER SYSTEM which will operate up to a 1/2HP pump for up to 10-12 hours continuous or 24-36 hours non-continuous, a complete BATTERY BACKUP SYSTEM or looking into the possibility of installing a STANDBY GENERATOR.
by Jim, Product Expert
Q: 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.
by Tom B. from New York on September 03, 2012

A: 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.
by Jim, Product Expert
Q: I understand that the BA-33M has a switch differential of 6-1/2 inches. Can I modify it with a longer rod to increase that differential and thus further cycling?
by Ben from Ohio on June 27, 2012

A: Unfortunately, there is no way to modify that switch. If you are looking for a way to increase the run time of the pump, you might consider changing to a TETHER float or the Pro Series Ultimate Sensor Pump Controller System model USC3.
by Jim, Product Expert
Q: I would like to buy the storm pro 1/3 hp pump but would like level switch to control over a longer span (deep pit with higher flow rates at times) want to minimize cycles. Is there a different longer switch rod that can replace the stock version.
by Barry from Minnesota on May 08, 2012

A: Unfortunately not! Your only options would be the Pro Series Ultimate Sensor Pump Controller System, model USC3 or the Superior Pump Wide Angle Tether Float Switch w/ Piggyback Plug, model 92005. The Pro Series switch can be adjusted to pump for 5 - 45 seconds once the water level drops below the sensor and the Superior tether float has an adjustable pumping range of 7” to 36”.
by Jim, Product Expert
Q: Jim, looking to understand the power consumption of the StormPro 1/2HP Model BA-50M pump. If its 1/2 HP at 120V, that converts to 375watts or 3.1 Amps by standard conversion. The pump is rated at 5.1 amps constant which converts to 615 watts at 120V or over 3/4HP. I'm trying to understand the difference and which one is accurate representation of power consumption.
by Dar from Michigan on March 31, 2012

A: If you are trying to figure out the wattage that the pump actually consumes, you need to use the following formula: amps X volts = watts

Due to the difference in the motors and windings, etc. that are used in all pumps, their power efficiencies can vary widely. The StormPro pumps are some of the more efficient and powerful brands currently available.
by Jim, Product Expert
Q: Is the Storm Pro Ba33m 1/3 HP UL inspected?
by Gregory Speicher from Pennsylvania on January 28, 2012

A: No they are not, but they do carry the CSA certification.


CSA International (Canadian Standards Association), a member of the CSA Group, is a provider of product testing and certification services for electrical, mechanical, plumbing, gas and a variety of other products. Recognized in the U.S., Canada and around the world, CSA’s marks appear on billions of products worldwide.

CSA International certification marks indicate that a product, process or service has been tested to a Canadian or U.S. standard and it meets the requirements of an applicable CSA standard or another recognized document used as a basis for certification.
by Jim, Product Expert
Q: What is the height and width of this unit?
by Walter from California on October 08, 2011

A: The dimensions are 9.1L x 6.3W x 13.8H.
by Jim, Product Expert
Q: I need to upgrade my pumping capacity - current sump pump (approx. 2400 GPH @ 10ft) was overwhelmed last season. I am looking at the StormPro 1/2 HP or 3/4 HP pumps. I currently have 1 1/2" piping and wondered if you could tell me what the actual GPH on both of these StormPro pumps would be if I use a 2" to 1 1/2" adaptor at the base of discharge and is this adaptor provided with these pumps? Thanks!
by Rob from Wisconsin on April 14, 2011

A: The StormPro BA-33M 1/3HP pump will do 3000 GPH @ 10 feet and the model BA-50M 1/2HP pump will do 4200 GPH @ 10 feet. I wouldn't think you should need to increase your pumping capacity any more than that. Typically, if your current pump is not keeping up with the incoming water, you should only increase the HP by one size. As for the pumping capacity when reducing the 1/2HP BA-50M down to 1 1/2" discharge, you might try calling StormPro at (800) 323-1665 x231. Another option would be to add a BATTERY BACKUP SYSTEM. Most systems will activate should the water level in you pit rise to the level of the backup systems float switch to assist your primary pump and add extra pumping capacity if needed.
by Jim, Product Expert
Q: I have the StormPro 1/3hp pump and want to upgrade to the 1/2hp. My discharge pipes are 1.5 inches now. Will I have to change the discharge pipe to 2 inch or is there a way to make this work without changing all my piping?
by Bob from Massachusetts on April 06, 2011

A: You can use a 2" to 1 1/2" adapter at the base of the discharge. It will reduce your GPH, but not drastically. Also, keep in mind that there is usually no reason to upgrade just for the sake of it unless your present pump is having difficulty keeping up with the incoming water. Bigger is not always better.
by Jim, Product Expert
Q: What does "manual override" on the float switch mean? I have a 110 volt receptacle that is controlled by a float. Will this pump work with that receptacle?
by Bob from Michigan on February 12, 2011

A: Manual override means that the pump can be used without the float switch. It's basically a utility type pump that has independent float switch. They are two separate pieces. The pump should be able to work with that receptacle.

The switch that is included is has a piggyback style plug, like Christmas lights.
by Jim, Product Expert
Q: How does the sump pump connect to the independent float switch, Does the pump plug into the switch and the switch plugs into the power?
by Mark from New Jersey on February 09, 2011

A: Yes, most external float switches utilize this design. It's consider a "Piggyback" style plug. Very similar to how sets of Christmas lights connect to each other.
by Jim, Product Expert
Q: Hi Jim. I know the float can be attached to discharge line. I'm wondering what the maximum On/Off points are. Looking to figure out how many inches of water will be pumped out per cycle. Thanks.
by Charlie from New York on January 05, 2011

A: The on/off differential for the float switch is about 6.5".
by Jim, Product Expert
iON Products BA-50M Reviews & Ratings
Overall Rating
Features
5/5
Quality
5/5
Performance
5/5
Value
5/5
Overall
4.9 out of 54.9 out of 54.9 out of 54.9 out of 54.9 out of 5
Pros
Quiet (15)
High Quality (13)
I'd Buy It Again (10)
Fast (6)
Price (5)
Cons
Expensive (1)
Float Switch Should Have... (1)
Bad Instructions (1)
There Was A Switch Failu... (1)
Float Hangs Up (1)
94% of respondents would recommend this product to a friend
59 Reviews  Sort by 
 
Jim, the Sump Pump Expert
Sump Pump Expert

Product Expert
Total Reviews
30 Reviews
Total Helpful Votes
1318 Helpful Votes
Sump Pumps Direct Recommended

If you’re looking for a heavy-duty pump, choose a iON. These pumps were originally sold only by plumbers, contractors and plumbing distributors. Now you have the opportunity to buy what the professionals do.

These pumps are built to last, bottom line. With a volute and motor housing made of cast iron and stainless steel, they will provide years of reliable operation. They also use a cast iron impeller which extends the life of the pump even longer.

iON pumps use high efficiency motors... more
Jim Recommends This Model
Was this review helpful?
7412
James N.
Glen Rock, PA
Purchased from Sump Pumps Direct
Purchased 4/23/14
Total Helpful Votes
17 Helpful Votes
Most Helpful Positive Review
REVIEWED
APR.
27
2014
5 out of 55 out of 55 out of 55 out of 55 out of 5
Review Of Ion Stormpro Ba-50m From Sump Pumps Direct
The Ion StormPro BA-50M sump pump. I believe this is the best pump for the money. It is 1/2 H.P. but runs at only 5.8 amps. It uses less electric but pumps more water then my old pump!
Pros: Durable, Exceeded Expectations, Reliable, High Quality
James Recommends This iON Products Product
James's Experience With Sump Pumps Direct
Web Site
5/5

Service
5/5

Shipping
5/5
"My Ion StormPro BA-50M sump pump arrived quickly in perfect condition. Best Pump, Best Price and FREE Shipping!"
 more
Was this review helpful?
172
Tony S.
Bettendorf, IA
Purchased from Sump Pumps Direct
Purchased 3/24/16
REVIEWED
APR.
19
2016
5 out of 55 out of 55 out of 55 out of 55 out of 5
Quietest Sump Pump Ever
After YEARS of listening to our sump pump kick on, hum loudly and slamming closed, I went searching for the ultimate quietest sump pump ever and I found it in this Ion sump pump! The add on of the quiet check valve was a perfect purchase to round out the quality satisfaction I received with my purchase! I will never buy another sump pump brand ever again! This sump pump is the bomb!!
Pros: Quiet, High Quality, I'd Buy It Again, Exceeded Expectations
Tony Recommends This iON Products Product
Was this review helpful?
10
Jeffrey T.
Lemont, IL
Purchased from Sump Pumps Direct
Purchased 7/13/15
REVIEWED
MAR.
06
2016
5 out of 55 out of 55 out of 55 out of 55 out of 5
Happy With Purchase
Had a failed pump in new house - needed a reliable pump with a adjustable float (high water table) - installation was easy, set float to desired level and good to go. UNIT is quieter that previous model, i can still hear it hum, it sits directly below corner where my t.v. is located upstairs, but not LOUD.

Had a lot of rain last spring, 2015, and pump worked great. Like i said, i sit on a high water table - so even with float adjusted high the pump still is going on every 60-70 minutes ... more
Jeffrey Recommends This iON Products Product
Was this review helpful?
10
Ted H.
Saint Michael, MN
Purchased from Sump Pumps Direct
Purchased 5/24/16
REVIEWED
JUN.
16
2016
5 out of 55 out of 55 out of 55 out of 55 out of 5
It's My Back Up
The sump pump I have now has been pumping for 16 years. No gutters. I shopped a lot finally settled on your pump. It's waiting for it's time.
Ted Recommends This iON Products Product
Was this review helpful?
00
Charles W.
Purchased from Sump Pumps Direct
Purchased 4/15/16
REVIEWED
APR.
25
2016
5 out of 55 out of 55 out of 55 out of 55 out of 5
Good Service
Very fast delivery and customer service hassle free.
Charles Recommends This iON Products Product
Was this review helpful?
00
Michael D.
Acushnet, MA
Purchased from Sump Pumps Direct
Purchased 12/27/15
REVIEWED
FEB.
11
2016
5 out of 55 out of 55 out of 55 out of 55 out of 5
Great Pump
I replaced a 1/3 HP sump pump at my daughters house with this 1/2 HP iOn pump. This pump is really quiet and moves a lot of water, it is also built really solid. I would recommend this pump.
Michael Recommends This iON Products Product
Was this review helpful?
00
Michael D.
Bellevue, MI
Purchased from Sump Pumps Direct
Purchased 12/17/15
REVIEWED
JAN.
09
2016
5 out of 55 out of 55 out of 55 out of 55 out of 5
Satisfied
Easy installation extremely well made prompted delivery.
Michael Recommends This iON Products Product
Michael's Experience With Sump Pumps Direct
Web Site
5/5

Service
5/5

Shipping
5/5
"Satisfied experience."
 more
Was this review helpful?
00
Ryan
Sayville, NY
Purchased from Sump Pumps Direct
Purchased 3/21/16
REVIEWED
JUL.
18
2016
4 out of 54 out of 54 out of 54 out of 54 out of 5
Float Switch Hang Up
Bought this pump in March and on multiple occasions the float switch has 'hung up' causing the pump to run without any water in the basin. These hang ups are occurring more frequently now causing me to access the crawl space through a hatch in the deck. When the pump is running it is quite and effective however, these frequent trips into the crawl space are becoming more and more of a nuisance.
Was this review helpful?
01
Walt
Alexandria, VA
Purchased from Sump Pumps Direct
Purchased 9/12/11
Total Reviews
3 Reviews
Total Helpful Votes
18 Helpful Votes
REVIEWED
NOV.
13
2011
5 out of 55 out of 55 out of 55 out of 55 out of 5
Good Product/bad Advice
The sump pump is exceptionally quiet and efficient. The cover could have had more holes or at least punch outs for the auxiliary pump.The basin came without holes pre-drilled and had no instructions as to the placement. I wrote an e-mail to the so-called experts at Sump Pumps Direct inquiring where to place the holes. I received back the advice to check online, that there were many places that gave this advice. After some searching I found one place with advice on placement, but was very... more
View Image
Jim, the Sump Pump Expert
Product Expert
Walt,
While we would like to give as much advice as possible about installing sump/sewage basins, it is very difficult because of the complexity of the install. Installing these basins (which normally include a french drain or drain tile system for maximum water removal) is on the far end of a "DIY" project. Installing a basin incorrectly can cause serious foundation or structural damage to your home. If you're unfamiliar with the installation process, it's always best to contact a licensed plumber.
more
Was this review helpful?
135
Mike
Purchased from Sump Pumps Direct
Purchased 1/5/13
Total Helpful Votes
12 Helpful Votes
REVIEWED
MAR.
22
2013
5 out of 55 out of 55 out of 55 out of 55 out of 5
So Far, Very Happy
I bought this pump as a replacement pump a couple months ago. It is in an outside, underground pit, and pumps water via 2" PVC pipe over an embankment about 5 feet vertical and 60 feet horizontal. What sold me, apart from some good reviews, was the built in screen that can keep debris out of the pipes. It has proved perfectly reliable. Powerful enough to keep up with the amount of groundwater flowing in.

If I had to pick a CON, I would like greater travel in the float switch, as it... more
Was this review helpful?
120
Mark
Purchased from Sump Pumps Direct
Purchased 5/28/12
REVIEWED
OCT.
30
2012
5 out of 55 out of 55 out of 55 out of 55 out of 5
It Is A Workhorse
Hurricane Sandy was the first real test of my StormPro BA-50M. . . a great pump.

My basement has flooded twice in the past two years since we bought the house. In both cases, we had 6+ inches of rain. The house had a history of flooding which resulted in several mods by the previous owner; including the installation of a second sump.

After our second flood (just a wet basement) I took a hard look at my pumps and other modifications. Both existing pumps were on the small side. I... more
Was this review helpful?
80
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