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OTG4-DBLSOFT-Portable 16,000 Grain RV Water Softener (NOT made in China, assembled by U.S. Workers in Indiana)

Based on 1,906 reviews
Condition: New
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$207.00
Holiday Deal · 48% off was $399.99

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Availability: In Stock.
Fulfilled by BARB Enterprises

Arrives Nov 18 – Nov 22
Order within 16 hours and 47 minutes

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At a glance

Condition
New
Model
OTG4-DBLSOFT
Weight
32 lb
Scent
Water
Package Size Name
Single
Product Benefits
Softening
Material Features
high grade premium resin

Features 8

  • The Double Standard Softener & Conditioner produces twice the gallons compared to the standard model and is the largest compact RV softener on the market.
  • Built for the owner of any RV/Marine model, this 16,000 grain unit is a perfect fit and supplies approx. 40% more soft water than any other unit on the market. It simply regenerates with 2 boxes of common table salt in less than 30 minutes and provides the owner with soft water up to 1600 gallons or up to 40 days.
  • Its compact, space-saver design allows it to be installed in the tightest places. It will allow high flow rates with very low pressure drop.
  • Its unique features includes easy to carry handle on top, large mouth opening for easy salt addition, high grade premium resin, travel friendly option of cap & plug to prevent leakage and is built for quick & simple regeneration.

Specs 13

Brand On The Go
Item Form rv water softener, portable water softener, 16,000 grain water softener
Unit Count 368 Ounce
Number of Items 1
Scent Water
Brand Name On The Go
Global Trade Identification Number 30
Manufacturer On The Go

Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Nov 18 – Nov 22

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • Zip Pay in 4
  • Financing through Apple Pay
  • Financing through Google Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Top Amazon Reviews


Absolutely works!!!
I got this for our home shower because we rent and can't add a whole house water softener. My hair felt immediately soft and not falling out! TIP: when you start your shower it takes a little time for the water to come out because the tank has to fill up and will be cold water next shower so blast the hot for awhile so you will not waiting so long for warm water, then put at a warm temperature. ... show more
Reviewed in the United States on September 30, 2026 by Daisylulu

Outstanding
Amazing. Works well and soft water for days and days. Well worth the money and it’s well built. Don’t delay, this is a good one!
Reviewed in the United States on July 19, 2026 by J2

Most recommended
This product is great delivered as promised and works as represented. Very happy with its performance
Reviewed in the United States on August 26, 2026 by Earl R Hillyer

Worked as advertised worth the purchase
We are at a campsite in North Central Washington. The water is very hard. It tested the highest on the test strip I flushed the tank out per instructions, hooked it to my motorhome, waited one day to flush all the lines out in the motorhome tested the water once again. It was the lowest on the test strip. I am very, very pleased with the result! I only wish I had done this sooner. ... show more
Reviewed in the United States on May 20, 2026 by Becky Graham

Excellent unit, wish it had brass fittings.
Would be a five, but the blue fiberglass tank is crooked in the black base and for the price, include brass fittings. Other than that, does exactly what it says it will. Our hardness at this location was off the charts. It removed all the minerals (per the test strips) and it is some of the softest water we've had. ... show more
Reviewed in the United States on November 1, 2025 by Burk

Extremely satisfied!
I researched water softeners for my new to me RV, 2024 Alliance Paradigm. I'm a water snob. The shipping was fast, it's made in the USA, and the price was great. Very easy to set-up. It is portable but heavy at the same time. First water test was great. But the proof was in the hair after my shower. Made such a big difference already. And, I want to take care of the plumbing in this RV. Hard water is a nemesis, on every level. ... show more
Reviewed in the United States on November 4, 2025 by Deborah G.

Perfect water softner for renters
Renting for the first time and live in an area with extremely hard water and I did not want to put in a filtration system for a house I did not own. I found out about this via a YouTube video by the water filter guru guy and he was spot on. I have this hooked up in my main shower and it has made the water feel great - silky and soft. The test strips show evident reduction in hard water levels going from 10-11 to a 1-2. My skin has definitely improved since I put this in 3 months ago but I noticed changes within weeks. Very easy to look after, drain and do a regeneration. I love the fact that it takes salt you can buy in you local supermarket and it's life cycle last years if you take care of it. ... show more
Reviewed in the United States on December 13, 2025 by Keesha

Great product
Set it up two days ago and I could not believe the difference in the water within one hour. Using it at our camp for bathing and washing dishes…no washer machine. The golden yellow from the iron is gone, the odor gone and no dry itching skin. If I could give it a higher score I would. Just what we were looking for without a big price tag. ... show more
Reviewed in the United States on April 26, 2026 by D Dupont
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