We often hear from new homeowners that have found a Cascadian water treatment system in their home. Since we've been designing and building water treatment systems for 30 years and mostly sold through distributors, we don't have records of what treat

We often hear from new homeowners that have found a Cascadian water treatment system in their home. Since we&apos;ve been&#xA0;designing and building water treatment systems&#xA0;for 30 years and mostly sold through distributors, we don&apos;t have records of what treatment is at what location. So given that here&apos;s a guide on how to identify what you&apos;ve got so that you can understand the equipment you have and find a care guide.<h3 id="cascadian-integrated-cartridge-solutions">Cascadian Integrated Cartridge Solutions</h3>Integrated Cartridge Solutions (ICS) are our current offering, but we&apos;ve refined our product line over the years to a smaller catalog.&#xA0;Often, if you cannot find your specific replacement filter there is a modern alternative which is a direct substitute. Learn about the older ICS part numbers&#xA0;<a title="Link to Old ICS Information" href="https://cascadianwater.com/pages/old-part-numbers" style=" text-decoration: underline 1px;">here.</a> All of these filters are inside blue housings which hang on the wall, and don&apos;t use electricity or a fill time drain. To see which ICS system you have simply look at the product label on the bracket.Replacement filters are the system part number with the letter &quot;K&quot; at the end.&#xA0;<h3 id="automatic-backwashing-filters-and-ion-exchange">Automatic Backwashing Filters and Ion-Exchange</h3>Up until 2020 we sold complex backwashing filters which use water and a programmed electronic valve to clean themselves. While they are in working order, they are hands free and can go for years without any attention beyond replacing salt and annual salt system cleaning. These filters will send waste water down a drain and go through a backwashing cycle usually once a week during the night.<img src="https://attachments.gorgias.help/VvEzB7NjKZr7beky/hc/ldzOw7JDbaL6oL59/2025091021-da864352-d45b-4d98-b8c6-ead41b049f7b-pinnacle-water-softener-600x315.jpg" style="width: 691px;" class="fr-fic fr-dib">While these all have a similar appearance, they are very diverse and can be used for a wide range of water issues. Since observation alone won&apos;t resolve what filter is there, we&apos;ve issued serial numbers for every single system that we manufactured. Using the serial number we will be able to provide product specification sheets, manuals, and guidance for care. The serial numbers we issued can be found somewhere on the control valve and starts with a few characters followed by 5 numbers. Something like ST5X-12345 is what you&apos;d provide to us for help.<img src="https://attachments.gorgias.help/VvEzB7NjKZr7beky/hc/ldzOw7JDbaL6oL59/2025091021-6e09c5a2-1b43-4665-bc6a-d1a434a4ed41-pinnacle%20softener.jpg" style="width: 300px;" class="fr-fic fr-dib">If you believe something is wrong with the filter then the best thing to do is to find a water treatment professional in your area. Diagnosis and troubleshooting is complex and requires being on site. We do not provide these services. Parts for these systems are only available from water treatment professionals.

What's this old Cascadian System?

1 1/2" or 2" female slip connections, put unions on either side. lube orings. Glue adapter to cap. follow the instructions with photos.

1 1/2&quot; or 2&quot; female slip connections, put unions on either side. lube orings. Glue adapter to cap. follow the instructions with photos.

Installing Commercial Units

If you've got a first generation ICS system with a white bottom drain, these were only available from us. If you broke the drain or if it was cracked from a hard freeze, a new sump with the bottom drain is not available. Your options include:. If you

If you&apos;ve got a first generation ICS system with a white bottom drain, these were only available from us. If you broke the drain or if it was cracked from a hard freeze, a new sump with the bottom drain is not available. Your options include:<ul><li>Purchasing a Big Blue pentek filter housing from another supplier (big box stores, hardware stores, or amazon)&#xA0;</li><li>optionally drilling and tapping the 1/4&quot; FNPT threads like we used to do and installing the bottom drain valve</li></ul>If you just need a replacement valve they&apos;re available <a href="https://cascadianwater.com/products/ics-bdv0404?_pos=1&amp;_psq=drain&amp;_ss=e&amp;_v=1.0" target="_blank" rel="noopener noreferrer">here</a>.

BDV-0404 First Gen Bottom Drain

We assemble the ICS-PK in house, and during that process we 'close' the cap. This is the correct position for service. If you were to 'open' the cap then the cartridge may fail and be difficult to install.

We assemble the ICS-PK in house, and during that process we &apos;close&apos; the cap. This is the correct position for service. If you were to &apos;open&apos; the cap then the cartridge may fail and be difficult to install.

ICS-PK, Open or Closed Cap?

Installing ICS Systems

Maintenance procedures for ICS and UV systems. And a little bit about backwashing valves

Maintenance

What can and can't be treated with Cascadian's ICS and additional information

Treatment Capabilities and Technology

Product Certifications

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Cascadian Dealers