Pentair Quad D.E. 100 Replacement Cartridge, Each | 178656Z

Name: Pentair Quad D.E. 100 Replacement Cartridge, Each | 178656Z
Brand: Pentair
SKU: 178656Z
Price: 144.08 USD
Availability: InStock

Pentair | SKU: 178656Z

$144⁰⁸ USD $199⁹⁹

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Product FAQs

How many cartridges come with this listing?

One cartridge. Pentair’s catalog specifies four cartridges required per complete Quad D.E. filter.

Does the filter size mean one cartridge has that full area?

No. Quad D.E. 100 identifies the complete filter’s 100 sq ft rating. This is one of the four replacement cartridges used by that filter.

Will this fit every Quad D.E. size?

No universal fit is claimed. Pentair assigns 178656Z to Quad D.E. 100; other Quad models have different cartridge part numbers.

Does this eliminate the need for D.E. media?

No. Follow the Quad D.E. manual for the correct D.E. charge and service process. Cartridge replacement does not convert it to a conventional cartridge-only filter.

Can this be used in an EasyClean EC90?

Pentair also lists base part 178656 for EasyClean EC90. Older units have retrofit requirements, so do not assume direct interchangeability. Confirm the installed revision and the manufacturer’s 196090 retrofit guidance before ordering for EasyClean.

Can I service the filter while the pump is running?

No. Shut off power and relieve all system pressure before opening the filter. Follow the instructions for your exact filter and clamp design. Improper assembly of a pressurized filter can cause serious injury.

What warranty applies to an online purchase?

Pentair lists one-year parts-only coverage for internet purchases, subject to its applicable terms and exclusions. Read Pentair’s current warranty terms.

Delivery and Shipping

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Resources & PDF Downloads

Quad D.E. Installation Guide and Replacement Parts

Pentair Filter Replacement Parts Catalog

EasyClean D.E. Replacement Parts — Confirm Revision and Retrofit Requirements

Description

PENTAIR · 178656Z

One cartridge. The right Quad fit.

Pentair 178656Z is the individual replacement cartridge listed for the Quad D.E. 100 filter. This listing is for one cartridge; the complete filter uses four cartridges.

One cartridge per item

Order quantity is one replacement cartridge, not a four-cartridge set.

Match the Quad model

Listed for Quad D.E. 100. The 100 sq ft rating identifies the complete filter, not a claim that one cartridge provides the full filter area.

D.E. filter application

Quad D.E. combines cartridge-style elements with D.E. filter media. Follow the filter manual for cleaning and the correct media charge.

Check fit before ordering

Confirm Quad D.E. 100 on the filter label and match part 178656Z. Do not select a replacement only by pool size or assume different Quad models share cartridges.

See Specifications for product details, Resources & PDF Downloads for manufacturer documents, and Product FAQs for fitment and service questions.

Specifications

SKU

178656Z
Product Type

D.E. Filter Replacement Cartridge
Size/Connection

Quad D.E. 100 filter; sold individually; four cartridges required per filter
Compatibility

Pentair Quad D.E. Cartridge Style Filters 100 | 188594, Pentair Quad D.E. Quad100 D.E. Pool Filter | EC-188594

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