Whole House Carbon Water Filter System - RKIN

Whole House Carbon Water Filter System

Sale price  $938.38 USD Regular price  $1,891.80 USD
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Assembled in the USA

Lifetime Warranty

Certified Components

Enjoy filtered water throughout your entire home, with protection against harmful disinfection by-products

Experience the benefits of softer skin, healthier hair, and better-tasting water and food, all made possible by our certified components

Rest easy with our 1-year satisfaction guarantee, lifetime warranty on tanks and valves, and expert assembly right here in the USA

1 year satisfaction guarantee

Insured Fast Shipping

Best Price Guarantee

Expert Staff Support

Carbon Filter Tank

ZEE Pro Filter Housing

ZEE Pro Sediment Filter

Sediment Filter Wrench

Bypass Valve

Two 1" MNPT PVC Elbow Fittings

Hose Bib Assembly

ZEE Pro Mounting Kit

Installation and Product Manual

RKIN OnliSoft Pro Saltless Water Softener Carbon Filter Combo is featured in the videos below. The Well Water Filter and/or Salt Based Water Softener installation will be very similar, with additional drain and electrical outlet required.

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

No, it doesn't. The RKIN Whole House Water Filter 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.

Does RKIN Whole House Water Filter System require any maintenance?

The RKIN Whole House Water Filter System requires no maintenance and is a great money saver. It needs no electricity to operate and produces zero water waste.

ZEE Pro Sediment Pre-filter will require replacement. Please below.

Who installs my RKIN Water System?

RKIN ships direct from the 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.

Learn more about RKIN installation services, currently only available in southwest Florida.

When I move, can I take my RKIN Water 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.

Do you have a technical service help desk?

Yes, RKIN's technical support staff is available by phone at 1-800-803-4551, via the 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 and beyond industry standards, each of our products comes with an industry-leading lifetime warranty and an unmatched one-year satisfaction 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 or the next business day. But, sometimes, it might take us up to 5 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. The whole home systems are usually shipped via UPS ground or Palletized Freight depending on the water system type and your location.

What if I have more questions or need support?

Please get in touch with us by clicking here.

Specs

⚠ 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 RKIN Whole House Water Filter System will substantially improve the water quality.

Whole House Carbon Filter RKIN Water System Models
System CS8 CS9 CS10 CS13
Bathrooms 1-3 2-5 4-6 7+
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
Pre-Filter Replacement Every 12 Months Every 12 Months Every 9-12 Months Every 6-9 Months
Tank Width 8" 9" 10" 13"
Tank Height With Head 48" 52" 58" 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
Operating Temperatures Operating Pressure pH Range
36°F-120°F 25-80 PSI 6.5-10
Shipping & Delivery

Free standard shipping within the contiguous United States(lower 48 states).

Orders are usually shipped the same or the next business day and delivered within 2-5 business days. But, sometimes, shipping your order might take up to 5 business days. The whole home systems are usually shipped via UPS ground or Palletized Freight, depending on the water system type and your location.

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.

Price Match Guarantee

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.

Warranty & Returns

You get an unconditional one-year satisfaction guarantee with every RKIN whole-house water treatment system.

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

The Electronic and Mechanical Control Valves are warrantied for 7 years.

Specs

⚠ 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 RKIN Whole House Water Filter System will substantially improve the water quality.

Whole House Carbon Filter RKIN Water System Models
System CS8 CS9 CS10 CS13
Bathrooms 1-3 2-5 4-6 7+
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
Pre-Filter Replacement Every 12 Months Every 12 Months Every 9-12 Months Every 6-9 Months
Tank Width 8" 9" 10" 13"
Tank Height With Head 48" 52" 58" 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
Operating Temperatures Operating Pressure pH Range
36°F-120°F 25-80 PSI 6.5-10
Shipping & Delivery

Free standard shipping within the contiguous United States(lower 48 states).

Orders are usually shipped the same or the next business day and delivered within 2-5 business days. But, sometimes, shipping your order might take up to 5 business days. The whole home systems are usually shipped via UPS ground or Palletized Freight, depending on the water system type and your location.

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.

Price Match Guarantee

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.

Warranty & Returns

You get an unconditional one-year satisfaction guarantee with every RKIN whole-house water treatment system.

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

The Electronic and Mechanical Control Valves are warrantied for 7 years.

Whole House Carbon Water Filter System
  • Enjoy filtered water throughout your entire home, with protection against harmful disinfection by-products

  • Experience the benefits of softer skin, healthier hair, and better-tasting water and food, all made possible by our certified components

  • Rest easy with our 1-year satisfaction guarantee, lifetime warranty on tanks and valves, and expert assembly right here in the USA

$1,891.80 USD $938.38 USD Sale

Shipping calculated at checkout.

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Honest Reviews

Mario C.

Replacing the old spout was easy even the installation of the new one.

Janet C.

Very happy with this product. Have used it for 2 years. As we cannot fit an under counter water purifier...

Eric A.

100% would recommend this company, team, and products! Everything has been perfect. The water is so tasty and also appreciate...

Not sure which whole‑home system? Get a custom plan in 30 minutes.

Schedule my 30‑min consultation

Talk to an RKIN water specialist—zero pressure. We’ll assess your water, compare options, and give you a clear recommendation with pricing and install fit.

  • Fast: Book a 30‑minute consult at a time that works for you.
  • Clarity: City or well water, scale, smells, stains - we’ll match the right fix for your home.
  • No risk: No obligation. If we can’t improve your water, we’ll tell you.
Schedule my 30‑min consultation

Prefer to talk now? Call 1‑800‑803‑4551 (Mon–Fri, 9 AM–5 PM EST)