400 Gallon Per Day Whole House Well Water Reverse Osmosis System

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RainDance-400 Whole House RO Package

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High Recovery "Water Saver" 400gpd Whole House Reverse Osmosis System

"Water Saver" 400GPD

High recovery low waste Whole House "Water Saver" Reverse Osmosis Packages from RainDance Water Systems. Standard Reverse Osmosis Membranes send 3-4 (sometimes more) gallons of water to the drain for each gallon of purified water produced. Our Water Saver Whole House Reverse Osmosis Packages are designed to save water and have a 1 to 1 ratio or greater on purified water to rejected water - Double the recovery over standard reverse osmosis elements.

All of our whole home reverse osmosis systems are manufactured to be water efficient using the latest up to date membrane solutions software which includes expected recovery, waste water, permeate, concentrate water and operational pressure.

Before you purchase this equipment we recommend that you obtain a water quality test report for your well water supply, which will help identify any issues that are essential to deal with and those you may wish to improve. If you have a water report please email us at Support@RainDanceH2OStore.com Attn: Whole House RO Design - All of our whole house reverse osmosis systems are manufactured to be water efficient using the latest up to date membrane solutions software.

Our 400gpd Whole House RO Packages are highly desired for brackish salty well water or city treated water to reduce the levels of total dissolved solids and suspended matter. The principal uses of our whole house reverse osmosis systems are for the treatment of chromium-6, nitrate, sulfate, sodium, chlorides, arsenic, copper, lead, fluoride, aluminum, metals, and total dissolved solids up to 2500ppm.

All of our Whole House RO Packages also feature carbon filtration which can reduce chlorine and the level of some SOCs (soluble organic compounds) like pesticides, dioxins, and VOCs (volatile organic compounds like chloroform and petrochemicals), making these whole house RO packages perfect for both city-treated and well water sources.

RainDance-400 RO Package Premium Features & Specifications

400GPD Wall Mount RO System Specifications
All 400GPD RO Systems include the following important quality features:

Premium Light Commercial 400GPD RO System
RO Dimensions: 28"W x 8"D x 12"H - Total height with attached pretreatment 25"H.
Pre-installed 1/2" Easy Quick Connect Fittings (Feed, Product, Drain)
Wall Mount Show Room Quality Stainless Steel Finish #4 (not cheap aluminum that most of our competitors use)
Thin Film Composite Membrane - NSF Certified 58
Recirculation Valve - Provides high recovery / low waste 1:1 OR BETTER! Product/Waste Ratio
RO Membrane Fast-Flush - Helps extend membrane life. This will provide a momentary high velocity flow across the membrane to help flush away any accumulated particles or debris.
High Performance 3/4 HP Motor
Power: 110v 60hz
Positive Displacement Rotary Vane Pump
Integral Hydraulic Manifold Assembly
Low Feed Pressure Cutout Switch
Tank Pressure Control Switch
Delrin Orifice or Teflon Tube Flow Control
Feed Inlet Solenoid Valve
SS Needle Valve Pressure Control
Product Tank Pressure Relief Valve

Pre-installed Float Switch - Conserves water! Shuts RO system off when storage tank is full. Includes one float switch and weight for system control by tank level.
Operating Parameters: Max TDS-2500ppm; Total iron is less than 0.3ppm; Manganese is less than 0.05ppm; Water hardness below 5 gpg. *Production rate is based on input water temperature of 25 C (77 F). If your water is colder production will be lower.
RO Protection: Hard water, iron, and manganese can quickly foul RO membranes and require pretreatment. Contact Us if you have any questions about your water chemistry.
All RO Systems Wet Tested Before Shipping.
Unlimited Tech Support Included
Pre-Loaded Flash Drive Included with installation instructions, equipment information, and plumbing sequence schematics.
Free Shipping/Delivery on all RainDance-400 Whole House RO Packages within the Continental USA.
Estimated Delivery: 1-3 Weeks *Note: RO systems are subject to extensive wet testing to pass our rigorous performance protocol which may delay shipment. Please contact us if you have any concerns about shipping.
Want to purchase our stand alone 400gpd RO system without our packaged accessories? Visit our 400gpd RO on its own HERE!
Customer Service/Support Is Our Top Priority. Contact Us Today - We Offer UNMATCHED Customer Support When You Need It!
RainDance Experts Answer Emails 24/7
Online Live Chat Available 5am To 10pm Everyday
Office Phone Hours: 9am-5pm M-F
(After Office Hours Support Available)

NEW! Easy Automatic RO Control Panel now included with our RainDance-400 Whole House RO Package. Our integrated electronic controller offers automated control of several system functions and helps prolong the life of the RO motor and membrane, providing long-term and reliable operation. Built with superior engineering, this control panel eliminates confusing switches and lack of feedback provided by other generic RO systems.

The Automatic RO Control Panel allows the home owner to easily monitor the performance of their system by using easy-to-read light up indicators for common RO functions. Certain features such as the System Flushing and Low Pressure provide added protection by automatically cleaning the RO membrane and shutting the RO system off in events of low water pressure. Low water pressure can cause an RO system to cycle on and off which can burn out the motor and increase noise level. Other features like the RO Pump and Tank Full keep you informed when the system is running and you have a full tank of purified water. With automated control it has never been easier to operate a whole house RO system!

The RainDance-400 Whole House RO Package includes the following companion equipment:

Note: In some cases the waste water from the whole house reverse osmosis system can be re-used for other purposes such landscaping, irrigation, wash down water and more. With some planning you can waste very little water.

Sediment & Chlorine/Organic Chemical Pretreatment System - Stainless Steel Dual 2.5"x 10" Sediment and Carbon Prefiltration System w/ Shutoff Valve. Provides RO protection from sediment, dirt, debris, chlorine, chlorination by-products, organic chemicals, herbicides, pesticides, insecticides, radon, benzene, and much more.
Carbon Filter NSF Certified 42 - Pretreatment Equipment Dimensions: 14”W x 8”D x 12.5”H - Pre-installed 1/2" Easy Quick Connect Fittings

Remineralizing & pH Neutralizing System – Designed to keep your RO water non-corrosive and protect any copper plumbing. This calcite system adds back calcium and magnesium minerals to enhance the water taste for people who prefer drinking mineral water, while also effectively neutralizing acidity and raise the pH of the water. (1) 4.5” x 10” Big Blue Replaceable pH Cartridge mounted separately. pH cartridge NSF Certified 42 & 61 - Includes housing, bracket, QC fittings, and wrench for easy maintenance.

Note: We do not use blending valves with our whole house reverse osmosis systems as they add contaminants back to your water supply which could be potentially dangerous. For example, our RO system will remove the majority of arsenic and other contaminants but it would not take much feed water blended in with the purified water to kick arsenic and other impurity levels back up. For this reason alone we offer a separate pH remineralizer and not a blending valve!

The purified RO water comes out as a small stream, which is why you have to have a separate storage tank and repressure pump to collect and deliver your purified water to your taps. The delivery pump will then provide the flow rate needed for pressure throughout your home.

Atmospheric Storage Tank - Choose from 3 sizes! Tank includes float and fittings for easy installation. FDA/USDA Approved *Appearances will vary.

200 Gallon Capacity Tank: Compact for light water users! Dimensions: 31"D x 72"H
300 Gallon Capacity Tank: Made to fit through standard doorways! Dimensions: 35"D x 81"H
500 Gallon Capacity Tank: High capacity for high demand users! Dimensions: 46"D x 76"H
No Tank: If our selected storage tank options don't fit your needs we welcome you to source your own storage tank that works best for you. We will still include the float and float switch free of charge to go with your own storage tank!

Tank Location: If the tank is at the same level as the system (not upstairs or way up a hill) 50' away is a practical limit. Upgrading to 3/4" PVC instead of 1/2" tubing or pipe could extend it up to 100' away if needed.

On Demand Delivery Pump - Fully integrated compact booster pump draws water from RO storage tank and delivers perfect water pressure to all taps. The built-in electronic controller provides constant pressure which ensures that the pump starts automatically when water is consumed and operates continuously until water is not required. 1" Inlet/Outlet Ports. Power is 110v, 1-phase. 1 HP Motor. Output is 10 gpm at 48psi.

Color Coded Installation Tubing - Perfect for the do-it-yourselfer or local plumber! RainDance is including color-coded tubing and easy quick-connect fittings for your whole house RO system to make installation a breeze. Color tubing coordinates with the RO feed water (white), product water (blue), and drain water (yellow). Includes 3 sets of 20ft of flexible 1/2" tubing.

Water Totalizing Meter - Our reverse osmosis totalizing meter accurately displays how many gallons of water you are using, making it easier for you to monitor your daily water use and track how many gallons are running through the filters.

Includes: Exclusive RainDance Preloaded Flash Drive - Installation has never been easier with our Whole House RO Flash Drive! Includes essential information like detailed installation instructions, pictured diagrams, owner's manuals, maintenance schedules, and more!

New: Arsenic/Nitrate/Sodium Chloride/Sulfate & Bacteria Water Analysis Test Kits Included

Compare your results with EPA-approved guidelines for drinking water quality.
OFFERS PEACE OF MIND - Not only do these test kits detect even the smallest amounts of Arsenic, Sulfate, Nitrate, Fluoride, Lead and Copper, it also tests for E. Coli / Coliform Bacteria, Sodium Chloride and other crucial water quality parameters. Having unbalanced levels of Hardness, pH, Alkalinity, Zinc or Mercury can indicate serious issues.
INSTANT RESULTS - Test your water after your whole house reverse osmosis system has been installed. These at-home water-testing kits are simple enough for anyone to use with zero expertise or equipment. Get your results quickly and easily - whether it’s from a tap, well, municipal, or spring. Just follow the included step-by-step instructions.
Bonus: Total Dissolved Solids (TDS), Conductivity (EC), Water Temperature & pH Water Quality Monitors also included.

Limited Time Only: For A Limited Only you can add a ultraviolet water disinfection (UV) system to your order at no extra charge. This special offer is only available with the purchase of any RainDance Whole House RO Package. This offer will end without notice.
UV Disinfection offers destruction of Bacteria, Viruses, and Protozoan Cysts, Coliform Bacteria, Leptospira Interrogans (Infectious Jaundice), Salmonella Typhosa (Typhoid Fever), Bacteriophage (E. coli), Hepatitus Virus, Chlorella Vulgaris, Influenza Virus, Legionella Pneumophila (Legionnaires' Disease)
Dimensions:
Inlet/Outlet: 3/4” - 1” MNPT COMBO - Chamber Length: 17.75" x 3.5" - Controller: 7.25" x 3.5" x 2.5" - Weight: 12.5lbs
Electrical:
Voltage: 100-240v - Frequency: 50-60hz - Power Consumption: 35w (1.5 amps)
Accommodates The Following Flow Rates 7gpm to 16gpm:
Flow Rate (16mJ/cm2 Dose): 16 gpm - Flow Rate (30mJ/cm2 Dose): 9 gpm - Flow Rate (40mJ/cm2 Dose): 7 gpm
UV bulb should be replaced every 12 months

New For 2023: The last 2 years we have seen unprecedented parts shortages, out of stock items and long delays. To better serve our customers we are offering the following two year replacement package:

6 Carbon Prefilters - Designed to pretreat any chemicals such as chlorine, pesticides, insecticides & herbicides - Replace every *4 months
6 Sediment Prefilter - Designed to pretreat any sediment, sand and turbidity - Replace every *4 months
2 UV Bulbs - Needed to disinfect and kill bacteria & viruses - Replace every *12 months
2 pH Remineralizer Cartridges - Designed to adjust your pH and protect copper plumbing from acidic water. Replace every *12 months

Note: The RainDance-400 Whole House RO Package already comes with the first years filters - this replacement package covers an additional 2 years.
*Some applications may require a more frequent replacement interval.

New For 2023: The Exclusive RainDance-400 Service Kit Includes The Following Items:

Spare Color Coded Tubing: RO feed water (white), product water (blue), and drain water (yellow). Includes (3) 20ft sets of tubing.
Filter Wrench: Allows you to service the prefilters with ease.
O-ring Lube: Use this every time you change your prefilter to prevent o-ring damage.
Spare Fittings: We are providing a complete selection of spare fittings for the RO system.

Note: Tubing & Fittings typically last 5-10+ years. However, we are including these spare parts to keep on hand in the event you need to replace them sooner and to avoid any future out of stock items or parts shortages which may cause downtime.

Q: Why Buy A Whole House Reverse Osmosis System From RainDance Water Systems? Compare:
A: 20+ years in the water treatment industry - We design affordable, reliable whole house reverse osmosis water treatment packages built to last - We offer standard premium features that are normally expensive add-on options with other companies - RO system is built in The USA - Free delivery within the continental USA - Free water testing for as long as you own your water filter - Installation kits included with most systems - 365 day expert technical support / customer service - After hours, weekend and holiday support included - Safe & secure online shopping experience or order over the phone - Tons of happy and satisfied customers worldwide - Check out our reviews to see why our customers love our products - We do not buy or solicit fake reviews or testimonials.

Featured Blog: Frequently Asked Questions: Whole House RO Systems

Whole House Reverse Osmosis Treatment Options
Protect your investment and prolong the life of your whole house RO system with an appropriate pretreatment system. RainDance offers specialized pretreatment options at discounted package pricing so you can save more while getting the most out of your system.

Exclusively From RainDance Water Systems:

The RainDance PRO-125-10 custom water softener designed to pretreat & protect the RO system from prematurely fouling by removing hard water, rust, iron, manganese, and hydrogen gas odors - all of which will degrade the RO Membrane if not pre-treated. Of further importance, a standard water softener will allow unfiltered, untreated water to pass through the system if water is being used while the system is regenerating or backwashing. We have eliminated this problem! The RainDance PRO-125-10 comes complete with a pre-installed pretreatment lock-out switch that works in-conjunction with the RO System. The pretreatment lockout switch automatically shuts down the RO system while the softener is backwashing & regenerating, eliminating the fear of unfiltered hard water & iron going into the RO system and potentially fouling the membrane.

RainDance PRO-125-10 - Hard Water Softener ONLY Available with TSM/TV RO Purchases

$1,745.00 $895.00

View Details

Protect Your Investment! Remove hard water, rust, iron, manganese, & hydrogen sulfide gas odors before your RO system. Includes Pretreatment Lockout* for extra protection! Read for more information.

*Exclusive Online Package Price Only: Available when purchased with any RainDance TSM or TV Reverse Osmosis Package!

Free Shipping Within The Continental US - Ships pre-loaded with media for hassle-free, quick & easy installation!

*This system is not available for individual sale

Whole House Reverse Osmosis Water Purification Selection Guide

RainDance-400 Whole House RO Package

RainDance PRO-125-10 - Hard Water Softener ONLY Available with TSM/TV RO Purchases

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