Jandy | R0445400 | Pro Series Diffuser with O-Ring & Hardware – Replacement for Pro Series Pumps

The Jandy R0445400 Pro Series Diffuser with O-Ring and Hardware is a genuine OEM replacement component designed for Jandy FHPM Pro Series pool and spa pumps. This precision-engineered diffuser restores proper hydraulic balance, ensuring optimal water flow, pressure consistency, and pump efficiency.

Key Features

• Genuine Jandy replacement diffuser assembly (Model R0445400)

• Includes diffuser, O-ring, and mounting hardware for complete installation

• Designed for Jandy FHPM Pro Series pool and spa pumps

• Ensures even water distribution and consistent hydraulic performance

• Factory-molded for accurate alignment and secure sealing

• Durable, corrosion-resistant materials withstand pool chemicals and heat

• Maintains optimal flow rates and reduces cavitation and vibration

• Easy installation with included hardware and pre-fitted O-ring

• OEM part ensures exact fit, performance, and long service life

• Ideal for professional pump repairs, rebuilds, or preventative maintenance

Product Overview
The Jandy R0445400 Pro Series Diffuser with O-Ring and Hardware provides an essential replacement for maintaining the performance and efficiency of Jandy Pro Series pumps. Acting as a critical component in the pump’s hydraulic assembly, the diffuser channels water evenly from the impeller to the volute, ensuring smooth and efficient flow.

Manufactured from high-quality, corrosion-resistant materials, the R0445400 is built to withstand continuous operation in chemically treated water and high-pressure environments. The included O-ring and hardware simplify installation, ensuring a secure, leak-free seal. As an OEM Jandy part, this diffuser restores original performance, reduces noise and vibration, and helps extend the overall lifespan of your Pro Series pump system.