Raintree™

Compatible Replacement Water Filtersfor Wellsys Water Coolers

Raintree™ replacement filter sets for Wellsys bottleless water coolers with 1/4-inch push-fit connections. Match your Wellsys filter part numbers, choose your set and order with our compatibility guarantee.

Compatible Wellsys models*

  • JCP-8020
  • 8020W
  • 8020B
  • W5
  • W7
  • W9
  • WS 9000
  • W9CT
  • W9000CT
  • WS 11000+
  • WS 12000
  • WS 15000
  • Venus
  • Elite

*The water cooler model number alone does not guarantee compatibility. Confirm your filter style and check our compatibility guide before ordering.

Wellsys filter part numbers we replace

Pre-filters

  • PS-12 Sediment
  • PC-12 Pre Carbon

Membranes

  • UF-12 UF Membrane
  • RO-12 RO Membrane

Post filters

  • TCR-12 TCR
  • BSPUF-12 Biosure

Commonly compatible Wellsys models

8020 models

  • JCP-8020
  • 8020W
  • 8020B

W models

  • W5
  • W7
  • W9

Countertop models

  • W9CT
  • W9000CT

Named models

  • Venus
  • Elite

i models

  • i12
  • i15
  • i16

WS models

  • WS 9000
  • WS 11000+
  • WS 12000
  • WS 15000

Required for our compatibility guaranteeThe water cooler model number alone does not guarantee compatibility. Confirm your filter style and check our compatibility guide before ordering.
Not sure? Contact us before ordering →

Not compatibleTwist-on cartridges—those with part numbers beginning with “W” (WPS-, WPC-, WRO-, WBSPRO-, WTCR-)—are not compatible.

Filter style

CompatiblePush-fit filters Not compatibleTwist-on cartridges(part numbers start with W)

Don’t see your model or part number? Other models may fit too. Contact us and we’ll be happy to confirm compatibility.*A model or part number alone does not guarantee compatibility. Confirm your filter style and membrane before ordering.

Choose your set

  1. Find the part numbers or names on your current filters.
  2. Count the filters in your system.
  3. Confirm whether your system uses a UF membrane or an RO membrane. UF and RO membranes are not interchangeable.

Which set fits your Wellsys cooler?

Check your membrane: two ports means UF, three ports means RO. UF and RO sets are not interchangeable. See the compatibility section if you're not sure.

2-port membrane

Ultrafiltration (UF)

4-Filter UF Set

For compatible four-filter configurations.

Starting at$89
Four-filter UF set

5-Filter UF Set

For compatible five-filter configurations.

Starting at$119
Five-filter UF set
3-port membrane

Reverse Osmosis (RO)

4-Filter RO Set

For compatible four-filter configurations.

Starting at$109
Four-filter RO set

5-Filter RO Set

For compatible five-filter configurations.

Starting at$139
Five-filter RO set

Not replacing the whole set?

Shop individual filters and replace just the ones you need.

Shop individual filters

Match your Wellsys filters

Which Raintree™ filter replaces which Wellsys filter?

Choose your set above
Raintree Sediment filter

Sediment

Replaces WellsysPS-12

Raintree Pre Carbon filter

Pre Carbon

Replaces WellsysPC-12

Raintree UF Membrane filter

UF Membrane

Replaces WellsysUF-12

Raintree RO Membrane filter

RO Membrane

Replaces WellsysRO-12

Raintree TCR filter

TCR

Replaces WellsysTCR-12

Raintree Alkaline Mineral filter

Alkaline Mineral

Replaces WellsysBSPUF-12 (Biosure)

Upgrade your Wellsys filters

These Raintree™ filters have no Wellsys equivalent. You can choose them when you build your set.

Raintree Sediment + Carbon filter

Sediment + Carbon

An upgraded sediment filter that incorporates a carbon block stage.

Not offered by WellsysChoose it in your set

Raintree PCB filter

PCB (Post Carbon Block)

A carbon block alternative to TCR’s granular activated carbon.

Not offered by WellsysChoose it in your set

Raintree PFAS filter

PFAS Reduction

Dedicated media stage for targeted reduction of PFAS compounds, aka “forever chemicals.”

Not offered by WellsysChoose it in your set

Why Raintree™

Why choose Raintree™ filters?

With 20+ years of water filtration experience, we supply carefully selected, high-quality replacement filters for dependable performance, simpler maintenance and great-tasting water.

Satisfaction & Compatibility guarantee

Confirm your fit with the details below or in our FAQ, or ask us, and we guarantee it. Unopened sets can be returned within 90 days.

NSF-certified materials

Made with NSF-certified materials for dependable multi-stage filtration and a clean, great-tasting finish.

Expert support

Responsive, friendly, personalized guidance from our filter experts, before and after you order.

Fast, free shipping

Orders typically ship the same or next business day. Free on orders over $55.

Subscribe & save 10%

Get your replacement set delivered on your schedule, with no need to remember when it’s time.

Filter and connection style

Three full-height Raintree™ filters and their push-fit connections installed vertically inside a water cooler

Confirm the connection style matches your system.Proprietary twist-on cartridges are not interchangeable with these filters. Look for:

  1. 1Push-fit connectors on both ends of every filter
  2. 21/4 inch tubing connects to both ends of every filter

*If you don’t see push-fit connectors and 1/4 inch tubing at both ends of every filter, or if you’re unsure, please reach out before ordering. *The tubing between filters may be longer or shorter than shown; tubing length does not affect compatibility.

Not compatible

Twist-on cartridges

If your filters look like these, Raintree™ filters will not fit.Twist-on systems lock cartridges directly into a shared manifold. We don’t stock replacements for twist-on systems.

Twist-on cartridges mounted beneath a manifold
Twist-on
Proprietary twist-on filter arrangement
Twist-on
Twist-on cartridges with no independent bottom connections
Twist-on
Compatible

Compatible filters, different layouts

Coolers arrange their filters differently, but compatible filters all connect the same way: with tubing and push-fit connectors at both ends of every filter.

Three Raintree™ filters connected by push-fit tubing at both ends inside a water cooler
Push-fit
Compatible filters where the tubing plugs directly into female ports on each filter
Push-fit
Another compatible system with visible push-fit tubing connections
Push-fit

UF or RO membrane

UF membrane standing upright with two ports
UF membrane2 ports
RO membrane standing upright with three ports
RO membrane3 ports

Count the ports: UF has two, RO has three.Match the number and arrangement of ports on the membrane already installed. Port functions:

UF

  1. 1Inlet
  2. 2Outlet

RO

  1. 1Inlet
  2. 2Outlet (clean)
  3. 3Outlet (waste)
Choose your filter set →

Still unsure?
We’re here to help.

Review compatibility FAQ → Ask a filter expert →