Pentair Impeller Locking Screw (355389)
This screw we designed to lock the impeller to the motor shaft on the SuperFlo and Challenger style variable speed pool pumps. This screw is reversed threaded to prevent it from coming loose as the impeller rotates.
Fastener size - 1/4"
Thread Pitch - 20
Fastener Length - 1-3/16"
Head Type - Hex Washer - Slot
Material - Stainless Steel
ALL SHIPPING IN THE USA IS FREE - Some restrictions apply
· Most Orders Ship Free "Standard" To USA Domestic Mailing Addresses.
· We proudly ship with FedEx, USPS, UPS, and OnTrac. ***
· Certain items may be upgraded for shipping…ON US!
· Orders above $300 could be required to have signature confirmation
· All Pool Pumps and Pool Vacuums WILL require a signature upon delivery
· Some Expedited Shipping will incur additional handling time if Pre-Order status is displayed ****
***Shipping Carrier is determined upon delivery speed needed for each order. Paid Expedited Shipping will be shipped at the speed requested but Carriers are subject to change without notice.
**** Handling time varies with inventory and availability. Please reach out with any questions or concerns regarding the inventory of your item.
USPS First Class Mail and Priority Mail shipping is NOT GUARANTEED. Displayed transit times are estimates and not Guarantees.
Expedited Shipping via FedEx/UPS: Monday-Friday before 1:00 PM Arizona Time
We do NOT allow changes in address with Carriers after items are shipped.
Weekend deliveries are the future, and we are striving to meet all the needs of our customers. However, the carriers are attempting on rolling the processes on certain zip codes throughout the mainland 48 states only. Restrictions do apply.
Standard and expedited shipping methods through all carriers cannot guarantee Saturday deliveries due to restrictions to certain carrier zoning.