Product Overview

The Pentair 410016Z Union Diamond Seal Kit, 2.5" is a genuine Pentair replacement seal kit for the 2-1/2 inch union connections on Pentair WhisperFloXF® and IntelliFloXF® variable speed pumps. The kit includes two diamond seals, enough for both the suction and discharge unions on one pump.

Ideal For

Replacing worn, flattened, or leaking union seals on WhisperFloXF and IntelliFloXF pumps

Pump replacement or reinstallation where the union seals should be renewed

Routine equipment-pad maintenance and leak repairs

Key Features

Genuine Pentair OEM part: part number 410016Z.

2-1/2 inch size: for 2.5" pump union connections.

Two seals included: covers both pump ports.

Diamond seal profile: designed to seat in the Pentair union for a watertight connection.

Specifications

Warranty & Compatibility

Compatibility Notes

This kit is listed for the 2-1/2 inch unions on Pentair WhisperFloXF and IntelliFloXF pumps. Confirm your union size and pump model before ordering; 1-1/2 inch and 2 inch unions use different seals.

Installation Notes

Turn off the pump and relieve system pressure before loosening the unions. Remove the old seal, clean the sealing surfaces, and seat the new diamond seal fully in its groove before hand-tightening the union nut. Restart the system and check for leaks.

Customer-Facing Q&A

Q: What is the part number?
A: The Pentair part number is 410016Z.

Q: What is the UPC?
A: The UPC is 788379855963.

Q: How many seals are included?
A: The kit includes two seals.

Q: Which pumps does the 410016Z fit?
A: It is listed for Pentair WhisperFloXF and IntelliFloXF variable speed pumps with 2-1/2 inch unions.

Q: Will it fit a 2-inch union?
A: No. This kit is the 2-1/2 inch size.