Hayward Pump Diffuser O-Ring | SPX4000Z1
Hayward Products
SKU: SPX4000Z1
Pentair SPX4000Z1 O-Ring – Seal Replacement
The Pentair SPX4000Z1 is a precision-molded replacement O-ring designed for use in select pump and valve assemblies. It maintains a watertight seal and helps prevent air intrusion or leaks in pool-circulation systems.
Key Features
- High-quality elastomer material suitable for pool-chemical environments.
- Designed to restore proper sealing in pumps or valve adapters where the original O-ring has worn or failed.
- Compact, simple to install — often used as a cost-effective service part in maintenance kits.
Technical Specifications
- Part Number: SPX4000Z1
- Application: Replacement O-ring for compatible pump/valve assemblies
- Material: Durable chemical-resistant elastomer (pool grade)
Installation & Compatibility Notes
Shut off the pump and relieve system pressure before servicing. Remove the old O-ring, clean the seating groove thoroughly, inspect for damage or debris, then install the new SPX4000Z1 O-ring ensuring it sits flat and uniformly. Reassemble the component and monitor for proper flow and absence of leaks or air suction.
Maintenance Tips
- Inspect the O-ring at least once per season; replace if it shows cracks, flattening or chemical degradation.
- If you notice air being drawn into the pump, reduced suction, or leaking around the housing, the O-ring seal may be the culprit.
- Include this part in your service stock-kit to enable quick O-ring replacements and reduce downtime on equipment maintenance visits.
Why Choose This O-Ring?
For pool service professionals and supply stores, the Pentair SPX4000Z1 O-ring offers a reliable and straightforward solution to restore sealing integrity in compatible equipment. Replacing the seal can avoid more expensive repairs and help ensure optimal system 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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