SKU: 23632510113

PENTAIR COM PORT EXPASION MODULE - 520818

$87.57 $97.30
Save 10%
No.2 Bestseller on sm10m.ch >

Pay in installments of $24.32 with ShopPay, AfterPay and Klarna

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Aug 30 - Sep 4

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

PENTAIR COM PORT EXPASION MODULE - 520818The Pentair COM Port Expansion Module 520818 is the essential upgrade component pool contractors need to maximize IntelliTouch and EasyTouch control system capabilities. This professional grade expansion module enables seamless integration of multiple Pentair accessories while providing reliable RS 485 communication for IntelliFlo pumps, making it indispensable for comprehensive pool automation installations. Commercial Installation Benefits Designed

The Pentair COM Port Expansion Module 520818 is the essential upgrade component pool contractors need to maximize IntelliTouch and EasyTouch control system capabilities. This professional-grade expansion module enables seamless integration of multiple Pentair accessories while providing reliable RS-485 communication for IntelliFlo pumps, making it indispensable for comprehensive pool automation installations.

Commercial Installation Benefits

Designed for professional pool contractors, this expansion module reduces installation complexity by providing three dedicated COM ports and four RS-485 terminals in a single unit. The complete kit includes all necessary mounting hardware, cables, and detailed installation guide, minimizing job site delays and ensuring consistent, professional results that protect your reputation.

Why Pool Contractors Choose MT Pools

MT Pools delivers superior customer service with expert technical support for complex automation projects. Our B2B wholesale pricing structure maximizes your profit margins while our reliable inventory ensures critical components like the 520818 are always available when your projects demand them.

Frequently Asked Questions

Is the 520818 compatible with older Compool systems?

Yes, the Pentair 520818 COM Port Expansion Module is specifically designed for Compool to EasyTouch upgrade systems, making it perfect for retrofit installations.

How many accessories can be connected simultaneously?

The module provides three 4-pin COM ports supporting multiple accessories including ScreenLogic, IntelliChlor, QuickTouch, and control panels, plus four RS-485 terminals for IntelliFlo pumps.

What electrical specifications should contractors know?

COM PORT A & B have a combined maximum of 14 VDC, 2.0A. The module includes detailed wiring pinouts and requires power disconnection during installation for safety.

Does MT Pools provide technical support for installation?

Yes, MT Pools offers superior customer service with expert technical guidance to help contractors successfully integrate the 520818 module into complex automation systems.

Order Today

Streamline your next automation project with the Pentair 520818 COM Port Expansion Module from MT Pools. Our team provides the technical expertise and reliable service that keeps your installations on schedule and profitable.

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: 23632510113

Discover Niche Categories That Outsell

Top-Converting Item to Boost Your Average Order

4.4 ★★★★★
Based on 19 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
D
DR
Waukegan, US
★★★★★ 5
Great kids' shoe — easy on, comfy all day
Size: 3 Little Kid, Color: Pink/Lavender
My kid has been wearing these for a few weeks now and I'm genuinely impressed with how well they've held up. The knit mesh upper keeps feet cool and comfortable during long days at school and outdoor play, and the cushioned EVA midsole does a great job absorbing impact. What really won me over is the slip-on design with elasticated laces and dual pull tabs — my child can put them on and take them off completely independently, which is a huge win. The fit is snug but not tight, and they run a bit roomy in width, which is great for kids with wider feet or those who need a little growing room. At $32, the quality feels solid for the price. Lightweight, breathable, and easy to wear — these check all the boxes for an everyday kids' shoe.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 23, 2026
M
Melissa
Waukegan, US
★★★★★ 5
Cute, Comfortable, Light-Weight Shoes, Perfect for School
Size: 11 Little Kid, Color: Pink/Lavender, Size: 11 Little Kid, Color: Pink/Lavender
These have turned out to be great everyday shoes for my 5 year old. She normally wears a size 10, but since that size wasn’t available, I ordered the 11 expecting her to grow into them. I was pleasantly surprised that they already fit her pretty well. There’s still a little extra room in the toe area, but the shoes fit securely around her ankles so they don’t feel loose or slip off while walking or playing. She says they’re very comfortable and loves how easy they are to slip on by herself. The lightweight design is nice for everyday wear, and they’ve held up well so far despite being worn almost daily. They've become her favorite shoes to wear! Also the pink/lavender color is really pretty in person. Overall, I’m very happy with them and would order again.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 13, 2026
A
Amazon customer
Omaha, US
★★★★★ 5
Great shoe well made
Size: 13 Little Kid, Color: Pink/Lavender, Size: 13 Little Kid, Color: Pink/Lavender
Really good shoes at a fair price. My daughter loves the pink and purple gradient colors. Really beautiful. Shoes have proven themselves very durable. She's been wearing these a few times a week for the last couple months and they still look new aside from some dirt stains. Fit perfectly. Very comfortable. This is always her first pick in the morning when she's getting dressed. Good breathability you can wear these in hot summer weather without sweaty feet. Versatile shoe looks good enough to wear out and about or exercise in.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 16, 2026
K
Verified Purchase
Kevin Keegan
Charlottesville, US
★★★★★ 3
Runs large
Size: 7 Big Kid, Color: White
Runs very large.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 5, 2026
L
Verified Purchase
Lou
Lexington, US
★★★★★ 5
a little roomy for narrow feet.
Size: 6 Big Kid, Color: Black/Black
Nice shoes. My little one has narrow feet so they are a little lose. Overall, a nice shoe.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 4, 2026

recommand products

PUFFER | Tote Bag
101.00
VOGUE L | Backpack L + RFID | 100% Recycled RPET
85.00
Vauxhall 90103289 - Switch
46.99
SOFTY | Handbag
84.00
VOGUE | Small Backpack + RFID | 100% Recycled RPET
75.00