RDWS-NS-21 High Flow 50gpm Commercial Sediment Filter

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$3,695.00
3295 3695 $3,295.00
$3,295.00
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RainDance RDWS-NS-21 W/ Vacuum Breaker
High Flow 50GPM Commercial Well Water Sediment Filter

Ideal for: Large homes, poultry & livestock operations, farms, irrigation, trailer parks, campgrounds, and commercial buildings using well water—no chemicals required!

​Save Big on the NS-21 Sediment Filter!
Online Discount Code: NS300
Savings: Get an additional $300.00 off our current online sales price!
How to Redeem:
  1. Add the NS-21 Sediment Filter to your cart.
  2. Enter the code NS300 at checkout to apply your discount.
Plus:
We offer Business-To-Business discounts—contact us for even greater savings!

Key Features:
  • Flow Rate: 50 Gallons Per Minute (GPM)
  • Filtration: Removes sediment particles down to 3-5 microns, achieving clarity of <0.1 NTU turbidity.
  • Maintenance-Free: Automatic backwashing eliminates the need for routine filter replacements.
  • Space-Saving Design: Single tank setup minimizes footprint.

Benefits:
  • Versatile Applications: Perfect for whole-house filtration, irrigation, and commercial water treatment.
  • Durable Construction: Filter tank and control valve are both made and assembled in the USA.
  • User-Friendly: Easy installation with only three connections—ideal for DIYers, plumbers, or contractors.
  • Lifetime Support: Includes free lifetime water testing, installation instructions on a flash drive, and 24/7 technical support.

Certifications:
  • NSF 61 Certified Water Treatment Media
  • NSF Certified Control Valve & Tank

Additional Information:
  • Lead Time: Build-To-Order (1-2 weeks typical; order sooner for time-sensitive projects).
  • Plumbing Ports: High flow 1.5” plumbing ports for efficient water transfer.
  • Shipping: Free shipping within the continental US.

Need Assistance?
For questions or online discount codes, chat with us via the online chat icon or call 1-877-788-8387. You can also reach out via email for quick responses.

Discover the RainDance Advantage: Providing sediment and turbidity filtration since 1998!
SAVE EVEN MORE WITH OUR NS-21 SEDIMENT FILTER ONLINE DISCOUNT CODE:
Save An Additional $300.00 Off Our Current Online Sales Price When You Apply The Following Online Coupon Code At Check-Out: NS300 -We Also Offer Business-To-Business Discounts Contact Us For Even Greater Savings!
​The RDWS-NS Sand Sediment Filters: These maintenance-free RainDance sediment removal systems are completely chemical and salt-free. They do not require added salts or chemicals for backwashing and there are no routine filter cartridges to clean or replace. Our RDWS-NS Series provides filtration down to 3-5 microns. We can accommodate high commercial flow rate sediment filtering applications - irrigation, farming, car washes, golf courses, colleges, wineries, large homes, apartment buildings,  and any domestic or industrial application where optimum sediment and turbidity removal is required.
Picture
RDWS-NS-21
The Single Tank RDWS-NS-21 commercial sediment filter systems include tank, easy to use digital control valve, distributor and media. Due to weight and ease of maneuverability - tanks, valve and media are shipped separately on pallet. Each commercial filter includes simple easy to follow step by step filling instructions.  Tank Appearance & color may vary from picture.
Model # RDWS-NS-21
System Function: High Performance Sediment, Sand, Turbidity Filter
  • Tank: 21"dia. X 72"ht - Total Height 80"
  • User Friendly Control Valve
  • Max Flow Rate: 50gpm
  • Backwash Flow Rate Needed: 30gpm
  • Min. Pressure 30psi
  • Max Pressure: 100psi
  • Power: 110v 60hz
  • High Flow Plumbing Size: 1.5"
  • System Weight: Approx 595lbs
  • Self Cleaning Automatic Backwashing *In most cases backwash water can be re-used for other applications 
  • Installation Instructions: Yes, Included
  • Tech Support: Yes, Included
  • Maximum Removal Capacities:
  • High Filtration Performance 3-5 Micron Sediment, Sand, Turbidity
​Required Maintenance:
No Routine Filters To Change! Automatically Self Backwashes
  • ​Filter media can last 3-5 years*
  • *Some applications may require more frequent intervals dependent on water chemistry and usage.
  • No chemicals need for regeneration!
  • No salt needed for backwashing!
  • No costly cartridges to change!
  • Filters sand, silt, sediment down to 3-5 microns
  • Filters up to 1ppm of iron
  • Does not filter manganese, iron bacteria, colloidal iron or clay.  
  • Long lasting media up to 5 years
  • Filter media does not add any harmful chemicals to the water
  • Filter Media is Certified NSF /ANSI Standard 61
​Free Accessories Included With Your Sediment Filter Order ​Only From RainDance Water Systems
Limited Time Free Offer: Vacuum breaker included! This optional easy to install vacuum breaker can prevent the tank from collapsing due to negative water pressure due to a well malfunction. ​
​Limited Time Free Offer: On The Spot Iron Test Kit Included! Easily test your well water before and after your installation and see immediate results.
​Limited Time Free Offer: Never lose your manuals again! RainDance sediment filter installation instructions, documents & free lifetime water testing forms are preloaded on a convenient RainDance flash drive for easy access.
​Q: Why Buy A Sediment Sand Filter From RainDance Water Systems? Compare:
 A: 20+ years in the well water treatment industry - We design easy to maintain, affordable, reliable well water sediment filtration packages built to last - We offer a FREE transferable warranty with all RainDance Sediment Filters - Free delivery within the continental USA - Installation kit included with most systems - Free water testing for as long as you own your water filter - expert technical support / customer service - After hours 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 reviews or testimonials.