Producing some 40% more soft water than any other unit on the market, the user-friendly On The Go Portable Double Standard Water Softener & Conditioner is the perfect fit for any RV/Marine model and any adventure.
It’s engineered for the same level of ease, quality, and overall performance as the standard model (sku 34619). However, it’s doubled-down in size – upgrading from an 8,000 to a 16,000-grain unit – to produce twice the soft water volume. Easy-to-Move, Easy-to-Store.
Large-mouth opening for easy, mess-free salt addition. 360° swivel on inlet high-flow shut-off control valve provides easy connection of inlet hose. Engineered to allow high flow rates with very low pressure drop. Includes a back-flush adapter for quick-reverse connection when required. White, high-pressure 4’ drinking hoseQuality Water for Better Adventures. Inlet high-flow shut-off valve allows a very slow rinse to improve water quality. Regenerates with 2 boxes of common table salt in under 30 minutes, providing 1,600 gallons of soft water (up to 40 days). Softened water helps prevent rust stains, avoid scale build-up, and expand lifespan of appliances. Great for drinking and cleaning: increases lathering of soaps and improves rough/dry skin, taste, and odor. Hardness test strips for testing water softness and quality
Before You Order
Before ordering, compare part number OTG4-CW-DS with the existing portable rv water softener and installation requirements.
Frequently Asked Questions
Which part number identifies this portable rv water softener?
The source identifies this product with part number OTG4-CW-DS.





