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  • Sku: EWS-1665-V2-1.5

EWS 1665 V2 -1.5 | Filtration & Conditioning for 1-1/2" Plumbing Lines

$8,250 USD

Self-cleaning, low maintenance, world-class whole home filtration

Meets or exceeds NSF, ANSI, California State, and FDA standards and compliances

Enjoy perfectly filtered water from every shower, faucet, and tap in your entire home

Manufactured in the USA with USA-based technical and customer support if you ever need it

In stock!
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Product Features

Removes chloramine, chlorine, pesticides, pharmaceutical residues, THMS, VOCs + more
BPA-free, phthalate-free, and filler-free
Meets or exceeds the highest standards and compliances: NSF, ANSI, California State, and FDA
Replace your filtration media only once up to every 10 years
Salt-free conditioning helps with hard water build-up and makes it easier to clean up water spots
Self-cleaning system automatically cleans and drains itself so you don't have to lift a finger

Product Description

Enjoy Real Protection from Tap Water Contaminants.

Whole home water filtration is a proven final barrier against many of the harmful chemicals and treatment byproducts that are found in all city water. The President’s Cancer Panel recommends home water filtration to reduce or eliminate our exposure to over 80,000 unstudied and unregulated contaminants. To safeguard your family from the harmful chemicals found in all city water, Environmental Water Systems has engineered the highest quality, highest-grade water filtration appliance on the market.

  • Healthy, delicious water to every sink and shower in your home – with just one appliance
  • Hassle-free appliance does not require any regular maintenance or frequent filter changes
  • Protects your family from contaminants that are absorbed into the skin while showering and bathing
  • 100% pure granular activated carbon (GAC) – no silver impregnation, no metal resins, no fillers Proprietary GAC is the highest grade and highest iodine rating available
  • Removes and reduces chlorine, chloramine, THMS, and VOCs**
  • Inhibits hard water build-up in pipes and heaters, and makes for easier spot clean-up on surfaces
  • No salt, no magnets, and no metal resins
  • Meets or exceeds all FDA, NSF, ANSI, and California State standards and compliances
  • Easy installation, similar to a water heater
  • 10-year or 4,000,000 gallon filtration media lifespan¹
  • 10-year warranty
  • Suitable for city tap water or well water*  
  • Made in California, USA


The EWS-1665-1.5 installs at your home's main water service line (usually located in your garage) to filter all the water in your home. The appliance is designed for a 1-1/2" plumbing line, and installing this water filtration appliance is as easy as installing a water heater. Complete installation information comes with every appliance, so any plumber can do it. Installation requirements are simple – connection to your home's main water service line (usually located in your garage, or next to your water heater), a convenient place to drain or reuse the appliance's eco-friendly self-cleaning water, and a standard 110v electric outlet for the electronic valve head (this consumes only the power of a doorbell). No salt softener plumbing loops or bypasses needed (these are used to prevent drinking taps, pools, and plants from using salt softened water). Drain (backwash) water is safe and can be used for plants and gardening. Backwashing is of the utmost importance to the health and longevity of the filtration media. Prevents packing, channeling, and bacterial growth.

EWS-1665-1.5 provides a flow rate of 60 gallons per minute (gpm), which means it will not limit flow rate or water pressure.


¹Based on your local water conditions and usage.

*Well water is required to have independent, complete, and proper testing of your well water to determine the proper course of action to specify the correct system(s). 

**VOCs or volatile organic compounds are man-made pollutants. There are over 80,000 contaminants categorized as VOCs including pharmaceuticals, pesticides, fluoride, PFOAs, PFA, and Gen X.

Hard Water Caution: EWS Spectrum's physical conditioning abilities can have a limited effectiveness with very hard water – meaning, water hardness that is 30 grains (~500mg/l) and higher. Similar to issues with salt softeners and ion-exchange, conditioning can be adversely affected by abnormal pH levels, alkalinity, and/or silica. Please consult with customer service to establish realistic aesthetic expectations, receive helpful household hints in handling water hardness, or for help on choosing a combination of water treatment that will best suit your needs and preferences. 

Meets or exceeds all FDA, NSF, ANSI, and California State standards and compliances. Made in the USA.

Exclusive water filtration product of the New American Showcase Home and International Builders’ Show. Showcased by the National Association of Home Builders (NAHB), HGTV, NextGen, DPHA, and more. Available in over 700 Kitchen & Bath Showrooms in the United States.

Shipping Details

Free Shipping Every Day

We always ship free to all 48 contiguous United States. No minimum order requirements. No coupon codes. Just free shipping every day.

Processing Time

Most orders leave the factory facility within 3-5 business days. Larger whole home appliances (like the Spectrum, salt softeners, 1465, etc.) and specialty products (like iron removal, pH systems, etc.) can take up to 10 business days to process. Each product is machined by hand and individually checked for quality, so we cannot guarantee a faster turnaround time (though it does happen).

Shipping Time – Contiguous 48 States

All filter replacements and smaller appliances like drinking water systems, reverse osmosis systems, Heater Guards, and single stage filtration systems ship standard via common carrier (FedEx, USPS, or UPS). These carriers typically deliver within 3-7 business days, depending on your location.

All media replacements and larger tank appliances like the EWS Spectrum, CWL Spectrum, 1465, 1865, salt softeners, pH systems, etc. ship via freight truck. Freight trucking typically delivers within 3-10 business days depending on your location.

Shipping Info – Alaska & Hawaii

Alaska and Hawaii are charged shipping. We don't have any handling fees. Shipping is simply a pass-through cost directly from FedEx or UPS. Please also note that shipping rates are weight-based. The weight of any item can be found on its product page. All weights are rounded up to the next full pound to comply with UPS shipping policy. Please see above for rough estimates on processing and shipping times.

International Orders

International orders incur shipping charges. Before placing any international orders, please contact us so we can ensure that you will be receiving the proper outlets and fittings to suit your home or facility. You may prefer to ship to a USA-based freight forwarder, since we will ship free to your USA freight forwarder (contiguous 48 states only). The freight forwarder would then bill you for shipment to your international address. Please refer to them for their shipping timeframes. If we ship directly to your international address, please be aware that shipping times can increase because of customs or shipping provider delays, which are both outside our control.

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EWS 1665 V2 -1.5 | Filtration & Conditioning for 1-1/2" Plumbing Lines

$8,250 USD


Advanced filtration for your entire home.

No more frequent filter replacements, bottled water, or regular maintenance. Simply set it, forget it, and change the filter media inside once up to every 10 years.