Model # 330RSU

Internet #100114282

Store SKU #784935

RIDGID 1/3 HP Submersible Sump Pump
0040066206534

RIDGID

1/3 HP Submersible Sump Pump

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Product Overview

The RIDGID 1/3 HP Submersible Sump Pump provides a maximum pumping capacity of 4,200 gallons per hour. The unit features a submersible two-pole switch and a top-suction intake that allows for 1/2 inch solids to pass.

California residents: see   Proposition 65 information

  • High performance, energy efficient motor lengthens the life of the switch and electrical components
  • Unique top suction design reduces clogging and prevents air locks
  • Upper and lower ball bearings in a sealed bath of oil for quiet performance and long life
  • Carbon/ceramic shaft seal for smooth operation and long life
  • 11/2 in. NPT discharge for easy installation and compliance to building codes
  • Cast iron impeller and base construction to out perform in tough SUMP applications
  • 11 in. diameter or larger sump basin minimum
  • Click here for more information on Electronic Recycling Programs

Info & Guides

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Name 1/3 HP Cast Iron Sump Pump 1/2 HP Cast Iron Submersible Sump Pump Ultra Quiet Stainless Steel Sump Pump 1/3 HP Submersible Sump Pump
Brand RIDGID RIDGID RIDGID RIDGID
Ratings (65) (87) (40) (66)
Voltage (volts) 120 120 120 120
Horsepower (hp) .3 .5 1 hp 1/3 hp
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Specifications

Dimensions

Maximum Pumping Height (ft.)
22
Product Depth (in.)
10 in
Product Height (in.)
12
Product Width (in.)
10
Switch-Off Height (in.)
4
Switch-On Height (in.)
8

Details

Amperage (amps)
3.5
Battery Back-Up
No
Cord Length (ft.)
8
Discharge Flow @ 0 ft. (gallons/hour)
4200
Discharge Flow @ 10 ft. (gallons/hour)
2880
Discharge Flow @ 15 ft. (gallons/hour)
216
Horsepower (hp)
1/3 hp
Housing Material
Thermoplastic
Impeller Material
Thermoplastic
Maximum Working Temperature (F)
120
Minimum working temperature (F)
40
Power Type Required
AC
Product Weight (lb.)
16 lb
Pump Switch Type
Vertical
Returnable
90-Day
Self-Priming
Yes
Submersible
Yes
Sump Pump Outlet Diameter Type
1-1/2 FPT
Voltage (volts)
120

Warranty / Certifications

Certifications and Listings
CSA Listed
Manufacturer Warranty
RIDGID 3 Year Limited Warranty

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Customer Questions & Answers

what is the warnnty on this pump?

Asked by: Anonymous
Currently, 3 years. Those purchased before 2006 had a Lifetime Warranty.
Answered by: Helper
Date published: 2015-11-06

My rigid sump pump has a switch that is bad. Don't know where to go for the part. Can't seem to find it in the Internet.

Rigid 1/3 hp sump pump
Asked by: Lynn
Not an exact replacement, but may work with some modifications....and probably not sealed, needs to be out of the water. HD has this for $9. It is designed for pedestal pumps (motor not in the sump pit). Water Source Model PRS-1 Internet #203449542 Replacement Switch for Pedestal Sump Pump
Answered by: MrMike
Date published: 2016-09-07

How do i register my 1/3 horse power ridgid sump pump on line to receive my 3 year limited warranty

How do i register my 1/3 horse power ridgid sump pump on line to receive my 3 year limited warranty
Asked by: montyhue
I'd suggest their web page... and I'd also file away that Home Depot receipt. Write the part # and serial # on the receipt, and keep it with the manual.
Answered by: MrMike
Date published: 2017-04-08

Can i use this pump with an 11 in diameter and 13 in depth basin? If so what horsepower Pump should I get?

I would be looking to get two. Would be putting them in two corners of my basement.
Asked by: JPCheslock
That's a small sump pit... Mine is 18" diam and 28" deep. This pump runs about 20~30 seconds to empty it with ~ 10' lift. It looks like it will fit in a 9"~10" diameter profile, but you can measure one in the store or download the manual from the manufactures web page (HD blocks links, or I include it). I'd more concerned with 'short cycling' the pump, (its hard on the switch / motor) due to the low volume of the basin. The on / off limits are not adjustable, they are fixed by the float switch. Again, I'd recommend downloading the manual. Hope this helps - Mike
Answered by: MrMike
Date published: 2017-04-04
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Customer Reviews

1/3 HP Submersible Sump Pump is rated 3.1 out of 5 by 66.
Rated 1 out of 5 by from I bought a lifetime warranty sump pump made by Rigid. It lasted 15 years. When it quite, Home Dep... I bought a lifetime warranty sump pump made by Rigid. It lasted 15 years. When it quite, Home Depot replaced it with this bottom of the line pump with a three year warranty. It lasted 15 months before the switch began to fail. Sometimes it would run, sometimes it wouldn't. I didn't figure it out until I read the reviews on it while shopping for a new one. It seems there's a lot of switch problems. I took it back to HD and upgraded to a 330RS. The return desk people and the plumbing guy were more than helpful with the warranty exchange and upgrade. My advice, spend the extra $20 and get a better professional grade model.
Date published: 2017-04-11
Rated 5 out of 5 by from Works like a champ Super easy to install and runs like a champ. Had to replace my 20 something year old pump which weighed a ton, but this little guy was super light and does the trick. I've used Rigid for 15 years and they have never disappointed.
Date published: 2017-07-25
Rated 1 out of 5 by from Switch design flaw The switch is the weakest link on this pump. My old sump pump lasted nearly 15 years before it went out. Bought this pump to replace it. The new pump failed in less than 3 months, which caused flooding in my crawl space. The "diaphragm" switch appears to be defective by design. When I plugged the motor in without the switch, it was completely dead. I'm guessing the switch got stuck in the "ON" position, causing the motor to run continuously until it burned out. Fortunately the pump was under warranty and Home Depot offered an exchange. I do not recommend this pump at all, or any other brand of pump that uses a diaphragm switch. Buy something like a Zoeller or Flotec. The only good thing about this pump was that it was very quiet.
Date published: 2011-11-27
Rated 1 out of 5 by from Bad product The weak part of the product was the outside thin supporting bar. It is easy to broken due to the rust under the water. You will not detect the issue until your basement is flooded.
Date published: 2014-03-11
Rated 4 out of 5 by from Good pump, bad switch, Part 2 I felt I had to post a followup to my original review. Even though the diaphragm switch failed after 11 months, Ridgid and Home Depot made good for me. I called Ridgid customer service, told them my story, and they immediately offered to express ship me a new switch (at no cost to me), or I could return the entire pump to Home depot and get a new pump, again at no cost to me. I decided to get the new pump. I went to Home Depot and without hesitation, the customer service person told me to go ahead and get a new pump. So, at least for great service, I have to give a postive review.
Date published: 2009-11-03
Rated 5 out of 5 by from Easy 'do it yoursef project' to save $300+ plumber cost Installed one of these in my home 10 years ago. Needed to replace my daughters sump pump. It was probably ~ 10 years old and the switch got stuck on during an early Spring rain. The cost of a new switch is $20~$30 range, and that would have fixed it. However these pumps have a 5~10 life span depending on your ground water. So I opted to just replace it. The old pump had some contorted check valve / coupling joints (see picture) that needed to be replaced. Relatively easy to replace: Get the old one out of the pit. Remove hose clamps or hacksaw.. Check to see if there is a 'brick / block' in the pit to keep the pump a bit elevated and allow stones a place to collect. Need / buy: Pump, check valve, PVC to pump outlet adapter, 1 1/2" PVC pipe, PVC glue, coupling from new pump to existing plumbing. I used a rubber coupling (~ 6" long) used to join the 1 1/2" PVC ends. You can use a solid (glued PVC) fitting ~$2 or the rubber one I chose ~$5...How accurately can you measure / future replacement? Level it up, align the PVC discharge plumbing, clamp it in place. Overall a bit 'messy' job that will take ~2hours and save you a $300 plumber bill.
Date published: 2016-04-05
Rated 4 out of 5 by from Good pump, switch easy to fix First, the pump itself...is fine. It is very reliable and quiet in operation. The switch can be problematic as they sometimes stay stuck in the "on" position and as a result, the pump runs continuously and can fail. These pumps are made by Wayne. Either Ridgid or Wayne should revise this switch. My switch failed after two years. Here's how to fix: 1. Remove switch from pump. 2. Remove screws from switch housing. 3. Remove cover. 4. Press on diaphragm to confirm switch is not seized. You should hear it "click" when you press it (switch is "on"), it should "click" again when you let go it (switch is "off). 5. Carefully remove diaphragm. Clean diaphragm and switch housing. 6. If diaphragm is distorted, use a hairdryer to restore to original shape. 7. Using clear silicone caulk, apply sealant to the surface where the diaphragm seats in switch housing. 8. Re-insert diaphragm. Make sure the diaphragm is not concave, and that there is a pocket of air between the diaphragm and inner "click" switch (from step 4). This air pocket is what makes the diaphragm work. It is this loss of air that causes them to fail! 9. Next, apply a "face bead" of silicone to where the rubber diaphragm meets the plastic housing on the outside. This will prevent water and sediment from getting between the diaphragm and "click" switch. Do NOT press the diaphragm or reinstall switch to pump until silicone caulk is completely dried. 10. Once dry, reinstall and enjoy your properly functioning pump. If you just bought it and have not installed it yet, I would recommend doing this procedure first!! Otherwise, make the repair before failure. You'll thank yourself.
Date published: 2014-01-04
Rated 3 out of 5 by from Just OK Pros: easy to install. I just used my preexisting plumbing and was done in 5 min. Very quiet operation and powerfull suction. Cons: Requires about 10 inches of water to trigger the switch. The pump is almost submerged before it starts to pump. Because of the diaphram, you can't manually trigger the pump. I tested the pump by dumping buckets of water in the sump pit. It actually took me longer to test the device than it did to install it. Warranty requires you to replace the switch ($75) and Stator ($94) every 2 and 5 yrs, respectively. Hmmm, I think I they're telling me to buy a new pump every 5 yrs? That doesn't make any sense to me.
Date published: 2008-03-20
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