Hayward Pump Diffuser | SPX3200B3
Hayward Products
SKU: SPX3200B3
Hayward SPX3200B3 Diffuser (for TriStar / EcoStar Pumps)
The Hayward SPX3200B3 is a genuine OEM diffuser assembly designed for use in select Hayward TriStar and EcoStar pool pumps. This diffuser sits between the impeller and housing to channel water flow efficiently and help maintain optimal hydraulic performance and pump priming.
Key Features
- OEM replacement diffuser — ensures proper fit and performance for compatible Hayward pumps.
- Includes integrated impeller wear ring — helps maintain correct spacing and prolong impeller life.
- Engineered to evenly distribute flow, reduce turbulence, and support efficient suction & circulation.
- Compatible with a wide range of pump horsepower ratings (from ¾ HP up to ~3 HP), making it versatile across multiple models.
- Durable, chemical-resistant construction suitable for standard pool water environments.
- Direct replacement — easy to install without modifications or additional parts.
Specifications
- Manufacturer: Hayward
- Part Number: SPX3200B3
- Type: Pump diffuser / impeller wear-ring assembly
- Compatible Pumps: TriStar series SP3200, SP3200EE, SP3200X / EcoStar series SP3400VSP, plus associated single- and multi-speed variants
- Impeller Space ID: approx. 5.25″
- Overall Base Outer Diameter: approx. 6-7/8″
- Diffuser Height: approx. 3-5/8″
- Mounting Type: 3-pin mounting to pump housing
- Supported Horsepower Range: 0.75 HP up to 3.0 HP (for compatible pumps)
When & Why to Replace
Replace the SPX3200B3 if your pump is showing reduced flow, poor priming, cavitation, excessive noise, or after impeller replacement. Installing a fresh diffuser ensures optimal water flow path, maintains proper impeller spacing, reduces turbulence, and helps restore full rated pump performance — especially important on higher-flow or variable-speed systems.
Installation Notes
To install, drain and safely disable the pump, then open the wet-end housing. Remove the old diffuser (if present), clean the seating surface, and position the SPX3200B3 into place using the 3-pin mounting alignment. Reinstall the impeller, shaft seal, and housing O-rings per manufacturer guidelines, then reassemble. Always ensure gaskets and O-rings are clean and seated properly for leak-free performance.
Questions about returns? View our return policy.
Hours Of Operation:
Monday - Friday: 7:00 am to 5:00 pm Phoenix Time
Saturday: 8:00 am to 2:00 pm
Sunday: Closed
- We do not ship on Saturday or Sunday.
- Orders totaling more than $300 will require signature confirmation upon delivery.
- We process and prepare orders for shipment within 1 business day. Please note that many other pool supply retailers require 3–5 days of handling time before shipping.
- Orders placed after 1:00 pm Phoenix Time may not be eligible for same-day shipment.
- Expedited shipping options are available at checkout.
Return Policy:
- Products that are received damaged will receive a refund in store credit.
- Most products are eligible for return within 30 days of receipt, except where noted below.
- To initiate a return, please complete an RMA form prior to sending your item back.
- Original shipping costs are non-refundable and will be deducted from the return credit.
- Items returned missing accessories or original packaging, or that are not in the same condition as received, may be subject to a restocking fee of up to 100% depending on the condition of the item upon return.
- Some returns will be charged an automatic 15% restocking fee.
- We are unable to issue refunds for items that have been damaged or rendered inoperable due to installer error.
- Please complete the return form to receive your RMA number and return shipping label.
- Chemical products are not eligible for return under any circumstances.
- The Pentair Colorsync 618031 is not eligible for return.
- Pool cleaners are not eligible for return.
- Opened seals and o-rings are not eligible for return.
- Capacitors are not eligible for return.
- Plastic popup tools are not eligible for return.
- Automation components and circuit boards are not eligible for return.
- If a light is returned due to a reported malfunction and is found to be fully operational upon testing, return shipping costs and a restocking fee will be deducted from the refund.
- Orders refused at the time of delivery will be subject to the original shipping costs being deducted from the refund.
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