OnliSoft Pro Salt-Free Water Softener and Whole House Carbon Filter System
OnliSoft Pro Salt-Free Water Softener and Whole House Carbon Filter System
OnliSoft Pro Salt-Free Water Softener and Whole House Carbon Filter System
why use a water softener
OnliSoft Pro Salt-Free Water Softener and Whole House Carbon Filter System
OnliSoft Pro Salt-Free Water Softener and Whole House Carbon Filter System
OnliSoft Pro Salt-Free Water Softener and Whole House Carbon Filter System
OnliSoft Pro Salt-Free Water Softener and Whole House Carbon Filter System
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OnliSoft Pro Salt-Free Water Softener and Whole House Carbon Filter System

7 reviews
Regular price
$1,677.29
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$1,677.29
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$1,979.95
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  • Transforms ordinary tap water into filtered, healthy spring-like water throughout your entire home.
  • Filters sediment, chlorine, and other disinfection by-products.
  • Protects appliances and plumbing from harmful hardness build-up.
  • Certified components.
  • Lifetime Warranty on Tanks and Parts*.

Need help choosing a Whole House Water Treatment System? Have one of our RKIN experts explain the various whole house water treatment options available and get recommendations on what is best suited for your household needs.

OR

Call us at 1-800-803-4551
Mon - Fri. 9 AM-5 PM EST

OR

Call us at 1-800-803-4551
Mon - Fri. 9 AM-5 PM EST

LIFETIME WARRANTY ON
TANKS & VALVES

MADE USING CERTIFIED
COMPONENTS

OVER 60% IN FACTORY
DIRECT SAVINGS

DESIGNED & BUILT WITH
LOVE IN USA

WHY YOU NEED ONLISOFT PRO

Complete Protection

The RKIN OnliSoft Pro Water Treatment System uses a comprehensive approach to filtering water. It removes sediment, filters chemicals, and contaminants in your water supply while preventing hardness build-up throughout your home.

Filters Out Harmful Contaminants

Remove up to 99.6% of chlorine and other contaminants with our whole house water filter system. It has multiple lines of defense against harmful chemicals and pollutants, including:

Taste, Odor, Chlorine, Chloramine, Haloacetic Acids, MTBE & THM's, Herbicides, Pesticides, and many others.

Softer Skin & Healthier Hair

Eliminate contaminants in the water that can be harmful to your body. By filtering chemicals such as chlorine and chloramine, you can avoid the drying effects of chemicals, promoting softer skin and healthier hair.

Better Tasting Food & Water

With our whole house water treatment system, you can savor the purity in the kitchen.

Filtered water enhances not only the water that you drink but also the quality of the food that you eat. Upgrade your cooking by using cleaner and healthier filtered water.

Prevent and Reverse Hardness Build-up

Extend the life of your plumbing and household appliances by preventing and reversing scale build-up. OnliSoft Salt-Free water treatment system naturally neutralizes hardness minerals into inactive microscopic crystal particles without salt or any other harsh chemicals.

Comes Install-Ready

All our products come install-ready with minimal assembly required.

Manufactured in Florida, RKIN products are made to be installed easily without needing professional help. However, we do recommend hiring a plumber if you are not mechanically inclined.

5 STAGES OF ADVANCED FILTRATION

Salt-FREE, Non-Electric, No Need For Drain With Additional Plumbing.
Clears Out Existing Hardness Build Up.

COMBO CARBON FILTER

Saltless Water Softener Conditioner

Stage 1 - KDF Media
Creates a bacteriostatic environment using copper and zinc alloy which helps with the removal of chlorine and heavy metals.

Stage 2 - Catalytic Activated Coconut Shell Carbon Bed
Designed to remove organic contaminants and disinfectant by-products such as chlorine and chloramines.

Stage 3 - EvenFlow Bed
Innovatively designed to maximize water treatment by substantially increasing contact time with the water filtration media.

STAGE 4 - ZEE PRO SEDIMENT FILTER

Designed to protect the OnliSoft media from degrading performance while
filtering out sand, silt, clay, and any other sediment.

This 5-micron sediment filter is the largest size available for maximum flow rates and longevity. It's 20 inches high and 4.5 inches wide.

High-Quality Filter Housing with Bacteriostatic Technology will provide years of pain-free filter replacements.

 

STAGE 5 - ONLISOFT SALT-FREE WATER CONDITIONER

OnliSoft is a maintenance-free filtration media designed to prevent scale build-up by transforming hardness molecules into harmless minerals that no longer cling to household and appliance plumbing surfaces. This is accomplished without adding anything to the water, such as salt, acids, or any other chemicals.

How it works: The OnliSoft media naturally neutralizes hardness minerals through Seed Assisted Crystallization. This process of capturing, accumulating, and transforming the hardness minerals into inactive microscopic crystal particles occurs without introducing additional substances. These deactivated particles that are suspended in the water pass through, and ultimately exit, the entire household plumbing system.

  • The OnliSoft media is non-absorbent. It will work for a lifetime and doesn't require replacements or maintenance.

COMPLETE PARTS LIST

Water Filter Tanks Carbon Salt Water Softener by RKIN

Carbon and OnliSoft Tanks

Sediment Filter by RKIN

ZEE Pro Pre-filter Housing

ZEE Pro Sediment Filter

Sediment Water Filter Wrench by RKIN

Sediment Filter Wrench

Bypass Valve by RKIN

Bypass Valve (2)

1 MNPT PVC Elbow Fittings for Whole House Water Filter Softener by RKIN

1" MNPT PVC Elbow Fittings (4)

Water Hose Bib Assembly by RKIN

Hose Bib Assembly

Mounting Kit for Water Filter Pre-filter by RKIN

Mounting Kit for Pre-filter Housing

VIDEO REVIEWS

STEP BY STEP INSTALLATION

STEP BY STEP INSTALLATION & WATER TEST

OVERVIEW

FREQUENTLY ASKED QUESTIONS

Does the RKIN OnliSoft Whole House Water Conditioning System add anything to the water?

No, it doesn't. The OnliSoft Whole House Water Conditioning System filters out impurities from your water, eliminating unwanted tastes and odors, without adding anything to your water. It provides clean, filtered water from every faucet of your home.

When I move, can I take my RKIN OnliSoft Whole House Water Conditioning System with me?

The RKIN easy-install design makes moving the system between houses a breeze. Just put the system into bypass mode, disconnect it, and take the system with you. The system can be re-installed in your new home with or without professional help.

Does the RKIN OnliSoft Whole House Water Conditioning System require any maintenance?

The OnliSoft Whole House Water Conditioning System requires no maintenance and is a great money saver. It needs no electricity to operate and produces zero water waste. And since our water treatment system is salt-free, it doesn't require the yearly maintenance hassle and cost that is involved with standard salt softeners.

ZEE Pro Pre-filter and replacement media are available here.

Who installs my RKIN OnliSoft Water Conditioning System?

RKIN ships direct from factory, saving you over 60% of the standard retail cost. Our products' user-friendly design makes installation easy with or without professional help. However, if you're not mechanically-inclined, we do recommend hiring a plumber to help with installation. To download the RKIN OnliSoft Pro Manual, please click here.

What is OnliSoft?

OnliSoft is a maintenance-free filtration media designed to prevent scale build-up by transforming hardness molecules into harmless minerals that no longer cling to household and appliance plumbing surfaces. This is accomplished without adding anything to the water, such as salt, acids, or any other chemicals.

How it works: The OnliSoft media naturally neutralizes hardness minerals through Seed Assisted Crystallization. This process of capturing, accumulating, and transforming the hardness minerals into inactive microscopic crystal particles occurs without introducing additional substances. These deactivated particles that are suspended in the water pass through, and ultimately exit, the entire household plumbing system.  

The OnliSoft media is non-absorbent and will work for a lifetime. This means that there are no replacements or maintenance required.

What is your BBB rating?

We at RKIN are proud to say that we currently have an excellent rating with the Better Business Bureau.

Do you have a technical service help desk?

Yes, RKIN's technical support staff is available by phone at 1-800-803-4551, via contact form, and through live chat, Monday to Friday from 9 am to 5 pm EST. You can also reach us at any time by e-mail with any questions or concerns. Product-specific technical information is also available on each product page, which includes Installation Guides Product FAQ, and Specifications.

Why should I get my water filter system from you?

RKIN specializes in well-built, user-friendly filtration systems made in Florida. Backed by guarantees that go above an beyond industry standards, each of our products comes with an industry-leading lifetime warranty and an unmatched one-year money-back guarantee.

Another factor that separates us from the competitors is our renowned customer service. Conveniently placed in Fort Myers, FL, our home office allows us to provide our customers with reliable and easily accessible help if needed.

How long will it take for me to receive my order?

We provide tracking numbers for all orders via email. All orders usually ship on the same business day. But, sometimes it might take us up to 3 business days to ship your order. Depending on where you are located, the product may take up to 5 business days to be delivered to your home.

What if I Have More Questions Or Need Support?

You can always call us at 1-800-803-4551 Mon-Fri: 9AM-5PM EST or submit a request here.

 

What is the Warranty on the OnliSoft Pro Water Treatment System?

Lifetime Warranty included on Tanks and Parts. Free shipping on warranty replacements.

For more information on our warranty, please visit www.rkin.com/onlisoft-pro-warranty/

You get an unconditional one-year money back guarantee with every OnliSoft Pro whole house water treatment system.

  • SPECS
  • REPLACEMENT COMPONENTS
  • SHIPPING & DELIVERY
  • PRICE MATCH GUARANTEE
  • RETURN POLICY

OnliSoft Pro Salt-free Whole House Water Treatment System Models: OPX8, OPX9, OPX10, OPX13

Download the RKIN OnliSoft Pro Manual Here.

OPERATING TEMPERATURES: 36°F-120°F

OPERATING PRESSURE: 25-80 PSI

PH RANGE: 6-11

SPECIFICATION OPX8: 1-3 BATHROOMS OPX9: 2-5 BATHROOMS OPX10: 4-6 BATHROOMS OPX: 7+ BATHROOMS
CARBON MEDIA CAPACITY 500K Gallons or 10 Years 1 Million Gallons or 10 Years 1 Million Gallons or 10 Years 1 Million Gallons or 10 Years
ZEE PRO PRE-FILTER REPLACEMENT Every 12 Months Every 12 Months Every 9-12 Months Every 6-9 Months
TANK WIDTH AND HEIGHT WITH HEAD 8" x 48" 9" x 52" 10" x 58" 13" x 58
CONNECTION SIZE 1" 1" 1" 1.5"
FLOW RATE 9 GPM Service / 12 GPM Peak 11 GPM Service / 17 GPM Peak 15 GPM Service / 23 GPM Peak 28 GPM Service / 41 GPM Peak

Click Here To Expand Specs Table

SPECIFICATION DESCRIPTION OPX8: 1-3 BATHROOMS OPX9: 2-5 BATHROOMS OPX10: 4-6 BATHROOMS OPX: 7+ BATHROOMS
CARBON MEDIA CAPACITY 500K Gallons or 10 Years 1 Million Gallons or 10 Years 1 Million Gallons or 10 Years 1 Million Gallons or 10 Years
ZEE PRO PRE-FILTER REPLACEMENT Every 12 Months Every 12 Months Every 9-12 Months Every 6-9 Months
TANK WIDTH AND HEIGHT WITH HEAD 8" x 48" 9" x 52" 10" x 58" 13" x 58
CONNECTION SIZE 1" 1" 1" 1.5"
FLOW RATE 9 GPM Service / 12 GPM Peak 11 GPM Service / 17 GPM Peak 15 GPM Service / 23 GPM Peak 28 GPM Service / 41 GPM Peak

⚠ IMPORTANT: Before installation, the carbon media inside the tank needs to be soaked in water for a MINIMUM of 2 days.

⚠ CAUTION: Do not install on well water without checking with RKIN customer service representative first.

If the water being filtered is from a public water supply, it will comply with requirements and your OnliSoft PRO Water Treatment System will substantially improve the water quality.

Your water quality may affect the longevity and replacement frequency of the filters.

ZEE PRO Prefilter - Recommended replacement every 6-12 months or as needed.
Carbon Media Replacement - Please refer to the specs for carbon media capacity.

The OnliSoft media is non-absorbent and will work for a lifetime. This means that there are no replacements or maintenance required.

Free standard shipping within US and Canada.

Orders are usually shipped the same or the next business day and delivered within 2-5 business days. Subject to in-region item availability and seasonal carrier shipping performance.

Order tracking numbers are emailed as soon as they become available. If you do not receive your tracking number within 24 business hours, please check your spam folder.

We work diligently to make sure that we offer the best prices for our products online. If you come across another retailer offering a lower price for our products than we are within 12 months of your purchase date, please let us know and we will refund you the difference in price.

We want you to feel confident that you are getting the absolute best price for the product you are ordering from us. If you find that our own website, www.rkin.com, has lowered the price for the same item you ordered within 12 months of your purchase date, please let us know and we will refund the difference in price.

You get an unconditional one-year money back guarantee with every OnliSoft Pro whole house water treatment system.

Lifetime Warranty included on Tanks and Parts. Free shipping on warranty replacements.

For more information on our warranty, please visit www.rkin.com/onlisoft-pro-warranty/

REVIEWS

Customer Reviews
5.0 Based on 7 Reviews
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AC
12/29/2020
Andy C.
United States United States
I recommend this product
What Customer Sevice should be

Great customer service! Great product! Yves F. Knows how customer service should be and did that throughout my questions and purchase. Even after the purchase his response was super fast. Thanks Yves, I’ll be buying more products! You can’t go wrong with RkIN

OC
12/24/2020
Omar C.
United States United States
I recommend this product
Sunday project with Dad and Mom felt the difference in water right away.

Dad and I installed the system in about 4-5 hours. Most of the time was spent digging down into the ground to plumb the optional by-pass. Once the system was operational, mom noticed the difference in water right away. No more chlorine smell while in the shower and water looks so much clearer in the bathtub. Absolutely happy with this system.

RKIN.com RKIN OnliSoft PRO Salt-Free Water Softener Whole House Water Treatment System ReviewRKIN.com RKIN OnliSoft PRO Salt-Free Water Softener Whole House Water Treatment System Review
BB
12/22/2020
Bradford B.
United States United States
I recommend this product
Whole House system is great.

We moved into our new home here in Southern California and after 6 weeks we started to develop calcium rings in the toilets and scale in the showers. We decided to look at whole house systems from RKIN after having such great experience with our countertop ZIP filter. After using the whole house filter system were absolutely thrilled with the quality of the the water in our home.

RKIN.com RKIN OnliSoft PRO Salt-Free Water Softener Whole House Water Treatment System ReviewRKIN.com RKIN OnliSoft PRO Salt-Free Water Softener Whole House Water Treatment System Review
MM
11/11/2020
Marcus M.
United States United States
I recommend this product
Another Quality Product From RKIN

We started with the counter top water filter from RKIN and soon installed the whole house system. Big improvement in our water. Shipment on time but received broken part that RKIN replaced with overnight shipment. Installation was easy with step by step directions. RKIN was available by phone or e-mail to answer any questions or resolve any problems. I recommend this product.

RKIN.com RKIN OnliSoft PRO Salt-Free Water Softener Whole House Water Treatment System Review
TP
10/30/2020
Thomas P.
United States United States
I recommend this product
Installed it by myself

Installed this unit all by myself. Tank jackets are a nice touch to keep the tanks protected from the Florida sun.

RKIN.com RKIN OnliSoft PRO Salt-Free Water Softener Whole House Water Treatment System Review
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