Product Overview

The Pentair Kit Power End XFE-20 5HP EE Full Rated | 400611Z is a genuine Pentair replacement power end designed for compatible Pentair WhisperFloXF XFE-20 5HP Energy Efficient Full Rated pump applications.

This power end kit is used when the existing motor-side assembly is worn, damaged, noisy, leaking, seized, or no longer performing properly, while the compatible pump wet end and plumbing are still usable. It provides a practical repair option compared with replacing the entire pump assembly.

Built for high-flow pool applications, this replacement power end features 5HP full-rated performance, an energy-efficient motor design, and 208–230V single-phase operation for compatible Pentair WhisperFloXF systems.

Ideal For

• Pentair WhisperFloXF pump repairs
• XFE-20 5HP full-rated pump applications
• Replacing worn or failed power end assemblies
• Restoring high-flow pump performance
• Commercial and large residential pool systems
• Pumps with noisy, seized, or failing motors
• Pumps with motor-side seal plate or internal component wear
• Service jobs where the existing wet end is still usable
• Professional pool equipment repairs
• Genuine Pentair replacement installations

Key Features

• Genuine Pentair replacement power end — designed for compatible WhisperFloXF XFE-20 pump systems.
• 5HP full-rated performance — built for demanding high-flow pool circulation applications.
• Energy-efficient motor design — helps restore proper pump performance with efficient operation.
• 208–230V operation — designed for compatible single-phase electrical service.
• Complete power end assembly — replaces the motor-side assembly without replacing the full pump.
• Designed for WhisperFloXF XFE-20 — proper fit for supported Pentair high-flow pump models.
• Cost-effective repair option — extends pump service life when the wet end and plumbing are still in good condition.
• Professional-grade service part — ideal for pool service technicians and equipment repair professionals.
• OEM fit and function — built to Pentair specifications for reliable replacement performance.
• Restores pump output — helps correct loss of performance caused by worn or damaged power-end components.

Benefits

The Pentair 400611Z power end kit helps restore compatible WhisperFloXF pump performance without the cost and labor of replacing the complete pump. When the motor-side assembly fails but the existing pump housing, plumbing, and strainer components remain serviceable, replacing the power end can be a smart repair solution.

This kit is especially useful for high-flow systems where dependable circulation is important for filtration, heating, water features, and commercial-style pool operation.

For pool professionals, the 400611Z provides a genuine Pentair replacement path that helps reduce downtime and maintain proper system performance.

Specifications

Included Components

• 1 × Pentair XFE-20 5HP Energy Efficient Full Rated Power End Assembly
• Pre-installed motor-side power end components
• Seal plate / motor assembly components as supplied by manufacturer
• Manufacturer-supplied installation documentation

Pump housing, wet end, strainer pot, lid, basket, unions, plumbing fittings, electrical whip, bonding wire, breakers, shaft seal if not supplied, and installation labor are sold separately unless specifically included by the supplier.

Compatibility Notes

This power end kit is designed for compatible Pentair WhisperFloXF XFE-20 5HP Energy Efficient Full Rated pump applications.

Before ordering, confirm:

• Existing pump series is WhisperFloXF
• Existing pump model is compatible with XFE-20 power end
• Horsepower rating is 5HP full rated
• Voltage requirement is 208–230V
• Existing wet end and housing are in reusable condition
• Pump is not a variable-speed or three-phase model

This kit is not universal. Do not order by horsepower alone. Pump model, wet-end configuration, voltage, phase, and part diagram must be verified before purchase.

Installation Notes

This power end kit should be installed by a qualified pool professional or pump technician. Before installation, turn off all power at the breaker and verify that the pump cannot restart during service.

Inspect the existing wet end, seal plate surface, impeller area, diffuser, housing gasket, shaft seal, fasteners, plumbing connections, and bonding connection before installation. A new shaft seal and related gaskets are often recommended whenever a pump power end is replaced.

After installation, verify correct voltage wiring, bonding, priming, rotation, leak-free operation, amperage draw, and system flow.

Customer-Facing Q&A

Q: What is the Pentair 400611Z?
A: It is a genuine Pentair XFE-20 5HP Energy Efficient Full Rated power end kit for compatible WhisperFloXF pump systems.

Q: What is the SKU?
A: The SKU is 400611Z.

Q: What is the UPC / GTIN?
A: The UPC / GTIN is 788379867218.

Q: What is the distributor product number?
A: The distributor product number is PUR-101-1042.

Q: What horsepower is this power end?
A: This power end is rated at 5 HP full rated.

Q: What voltage does it use?
A: It is designed for 208–230V single-phase operation.

Q: What pump does this fit?
A: It is designed for compatible Pentair WhisperFloXF XFE-20 pump applications.

Q: Is this a complete pump?
A: No. This is a power end kit only. The full pump, wet end, strainer pot, lid, basket, unions, and plumbing components are not included unless specifically stated.

Q: Is this for variable-speed pumps?
A: No. This kit is not intended for variable-speed pump applications.

Q: Is this a three-phase motor?
A: No. This model is commonly listed as 208–230V single phase.

Q: Should I replace the shaft seal during installation?
A: Yes. It is strongly recommended to inspect and replace the shaft seal and related gaskets during power end replacement.

Q: Should this be professionally installed?
A: Yes. Professional installation is recommended because the pump must be disassembled, resealed, electrically connected, bonded, primed, and tested.