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Product Details

Attwood shower sump system available in 500 and 750 GPH. This low cost shower drain setup incorporates an Attwood pump and automatic float switch to create an efficient drainage system for your boat's shower or other water drains.

Multiple inlets can be hooked up to more than one drain with different hose size options. The see-through top on the box allows you to see when the filter needs cleaning.

Tech Specs
ItemModelBox sizeLg x H x W (")
ATT-41411500 gphStandard10-1/2 x 4-1/2 x 8-1/8
ATT-41434750 gphLarge13 x 4-7/16 x 7-1/2
Info & Guides

Technical Information

  • Installs quickly and easily using slotted mounting feet.
  • Easy removal and cleaning with straight mesh filter
  • Quickly drains shower, sink or tub.
  • Pump automatically starts and removes accumulated water as the sump box fills.
  • Check valve in inlet manifold prevents pump from cycling and reduces standing water odor.
  • 1.4 Amp draw 12 Volt DC
  • 3/4 inch I.D. hose size.
  • Meets or exceeds all applicable standards of the ABYC and USCG

WARNING: These products may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.P65Warnings.ca.gov

Reviews

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Overall Rating

3.5

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1 to 4 of 4 Reviews
1 – 4 of 4 Reviews
va
4 out of 5 stars.

modifications can be a good thing or bad

9 years ago
shower sump was fine, but took 3 hours to install as the hose connections (shower, and 2 sinks) were not in the same place as the original shower sump (Also Attwood) and the hoses were cut for the old unit and it took some reconfiguring to get all the hoses connected to the sump box. Once on it worked great.
Helpful?
Toledo, OH
1 out of 5 stars.

Didn't work.

10 years ago
This was a direct replacement for a pump that failed. The new one simply doesn't work. When it does run, sometimes it pumps water, sometimes not. And when it does actually run and pump water, the pump won't shut off. I'm looking at other brands although the reviews I've read on the Rule pumps are just as bad.
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cayuga lake NY
5 out of 5 stars.

Easy works great

12 years ago
Easy to install if you need to replace your existing pump. Works just like it is supposed to.
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No. Calif
4 out of 5 stars.

The easy way to create a shower

16 years ago
The Attwood shower sump system beats the heck out of trying to assemble something on your own. the one piece unit makes putting in a shower a snap.
Helpful?

Questions

1 - 5 of 5 Questions

Q: What is the output head lift can the 750 push I tried a Johnson and it couldn't do the 3' that was stated.

5 years ago
1 Answer

A: They list 420 GPH at 3.3 ft for the 750 12V

5 years ago
Helpful?

Q: do you offer the attwood 4142-1?

9 years ago
1 Answer

A: Yes, it's not listed on our web site you will need to call to order. 800-423-0030

9 years ago
Helpful?

Q: Do have a 24 volt model Sahara #4144-1?

11 years ago
2 Answers

A: Yes

11 years ago
Helpful?

Q: My drain is 1 1/2__quote__ and the inlet into my holding tank is 1 1/2__quote__. How do I transition to the 3/4__quote__ in the Attwood box?

11 years ago
1 Answer

A: I was replacing an existing unit so the right lines were there

11 years ago
Helpful?

Q: I need to replace the rubber backflow __quote__joker__quote__ value that adapts the Sahara pump to the sump box. do you supply?

10 years ago
0 Answers
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