Pentair IntelliChem Controller without Pump for Systems using External Feed Pumps 521357 Parts & Diagram
Replacement parts and exploded parts diagram for the Pentair IntelliChem Controller without Pump for Systems using External Feed Pumps (model 521357). Find the part on the diagram, then look for the same number (#) next to each part in the Available Parts list and add the parts you need to your cart.
Parts marked Alternate are compatible replacements from other manufacturers.
Other Parts on This Diagram
These parts are not listed for online purchase. Contact us with the diagram number and part number to order.
- #1 – 521465Z –
- #7 – 521338Z –
- #8 – 521468Z –
Please confirm your model number matches your existing equipment before ordering.
GTIN:
SKU: DIAGRAM-521357
Brand: Pentair
Price range
$49.00 - $658.55
Tax and shipping are calculated at checkout.

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Key Features
- Exploded parts diagram for the Pentair IntelliChem Controller without Pump for Systems using External Feed Pumps (model 521357)
- 4 replacement parts available to order online
- Diagram number shown next to every part for easy matching
- Genuine Pentair replacement parts
- Add multiple parts to your cart at once