PENTAIR ACID CONTAINER (4 GAL) - 521378
SKU: 39184887353

PENTAIR ACID CONTAINER (4 GAL) - 521378

Sale price$188.04 Regular price$208.93
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Ships within 48 hours · Estimated delivery Jul 5 - Jul 10

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Description

PENTAIR ACID CONTAINER (4 GAL) - 521378The Pentair 521378 4 Gallon Acid Container delivers professional grade chemical storage for pool contractors managing commercial and residential chemical automation systems. This NSF certified container integrates seamlessly with Pentair IntelliChem and most chemical feed systems, providing reliable muriatic acid storage that meets industry safety standards. Professional Installation Benefits Designed for contractor efficiency, this acid container

The Pentair 521378 4-Gallon Acid Container delivers professional-grade chemical storage for pool contractors managing commercial and residential chemical automation systems. This NSF-certified container integrates seamlessly with Pentair IntelliChem and most chemical feed systems, providing reliable muriatic acid storage that meets industry safety standards.

Professional Installation Benefits

Designed for contractor efficiency, this acid container features an internal piercing mechanism that eliminates spill-prone manual bottle opening, reducing chemical exposure risks and installation time. The clear bottom half allows for easy visual monitoring of acid levels during service calls, while the chemical-resistant construction ensures long-term durability in demanding commercial environments.

Why Pool Contractors Choose MT Pools

MT Pools provides superior customer service with expert technical support for chemical automation installations. Our B2B wholesale pricing structure maximizes your profit margins while our reliable inventory ensures your chemical controller projects stay on schedule with professional-grade components.

Frequently Asked Questions

Is the 521378 compatible with non-Pentair chemical feed systems?

Yes, the Pentair 521378 acid container is compatible with most brands of chemical feed systems, not just IntelliChem controllers, making it versatile for various installations.

What pump is required for this acid container?

The container requires an external chemical feed pump (sold separately) or can be upgraded with Pentair's tank-mounted pump (PN 522474) for complete system integration.

What warranty coverage does this container have?

Professional installations receive a full 1-year warranty, while non-professional installations have 60-day coverage, emphasizing the value of contractor installation.

What dilution ratio does Pentair recommend for muriatic acid?

Pentair recommends a 1:1 dilution ratio when using full-strength muriatic acid, and always add acid to water when mixing for safety.

Order Today

Enhance your chemical automation installations with professional-grade components from MT Pools. Our team provides expert technical guidance and fast shipping to keep your projects moving forward.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 39184887353

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Paul P.
Belleville, US
★★★★★ 5
Perfect
Color: 20pcs
Excellent value and a perfect replacement for the OEM clips. Nice secure hold.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 22, 2025
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Verified Purchase
B. G.
Louisville, US
★★★★★ 5
Noticeable Improvement in Engine Smoothness
Size: 150 ml, Pack of 1
I decided to try LIQUI MOLY Valve Clean to help keep the intake valves clean and maintain engine performance, and I’m really impressed with the results. After adding it to the fuel tank and running through a full tank of gas, the engine felt noticeably smoother and more responsive. It’s very easy to use—just pour it into the fuel tank as directed. I also like that it’s from LIQUI MOLY, a brand known for high-quality automotive additives. While it’s not a miracle fix for serious mechanical issues, it’s a great preventative maintenance product to help reduce deposits and keep the engine running efficiently. I plan to use it periodically as part of my regular maintenance routine.
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Reviewed in the United States on March 7, 2026
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Verified Purchase
Jack
Battle Creek, US
★★★★★ 5
Must have.
Size: 150 ml, Pack of 1
Very good product, works great.
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Reviewed in the United States on May 7, 2026
R
Verified Purchase
Robert Cordrick
Louisville, US
★★★★★ 5
Good for routine engine care
Size: 150 ml, Pack of 1
Definitely not a cure-all for major mechanical problems, but it works well as a preventative step. It helps lessen deposits and keeps the engine running smoothly. I intend to use it regularly as part of my maintenance schedule to keep everything in good shape.
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Reviewed in the United States on April 21, 2026
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Susie
Louisville, US
★★★★★ 5
Worth the money
Size: 150 ml, Pack of 1
Great line of car products. My BMW gets better gas mileage when I use it regularly.
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Reviewed in the United States on April 1, 2026

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