Hayward EcoStar & TriStar Pump Motor 2.7HP Square Flange | SPX3400Z1ECM
Hayward Products
SKU: SPX3400Z1ECM
Hayward SPX3400Z1ECM 2.7 HP Variable-Speed Permanent Magnet Motor Assembly (Square Flange)
Hayward SPX3400Z1ECM is a genuine replacement variable-speed (VS) permanent magnet motor assembly used on select Hayward VS pool pumps. This motor is commonly used as the replacement motor for EcoStar and TriStar VS platforms that use the 2.7 HP square-flange ECM motor.
Key Features
- Part Number: SPX3400Z1ECM
- Brand: Hayward
- Type: Variable-speed permanent magnet motor assembly (ECM)
- Horsepower: 2.7 HP (class)
- Mount: Square flange
- Designed for efficient, quiet VS pump operation
- Approx. Shipping Weight: 40 lb (typical listing)
- Replacement part warranty: commonly listed as 1-year parts-only (check your seller/manufacturer terms)
Common Compatibility (Verify Before Ordering)
- Hayward EcoStar Variable Speed pumps (commonly referenced: SP3400VSP, SP3400VSPVR)
- Hayward TriStar VS 900/950 motor assembly applications (many references note TriStar VS 950 models manufactured before Jan 2019)
- Also commonly referenced for select Hayward commercial/HCP variable-speed platforms that use the same 2.7 HP square-flange ECM motor (model dependent)
What This Replaces / Fixes
- Motor failure (won’t start, overheating, trips breaker, noisy bearings)
- Intermittent operation or loss of speed control due to a failed motor section
- Motor damage from water intrusion, corrosion, or age-related wear
Installation Notes
- Match the pump model and motor type exactly—variable-speed motors are not interchangeable across all Hayward VS pumps.
- Shut off power at the breaker before servicing any pump wiring or motor components.
- Inspect the pump shaft seal and housing gaskets during service; replacing seals during motor work helps prevent future leaks.
- After installation, confirm normal priming, operation across speeds, and that the motor remains dry and well-ventilated.
- Professional installation is recommended if you’re not familiar with VS pump wiring and configuration.
Related Products
- Hayward SPX3400Z1ECM
- Hayward EcoStar Pump Parts
- Hayward TriStar VS Pump Parts
- Hayward Pump Shaft Seals
- Hayward Pump O-Rings & Gaskets
- Pool Pump Unions & Plumbing Accessories
Maintenance Tips
- Keep the motor area dry and shaded when possible—heat and water intrusion are common causes of premature motor/drive failure.
- Maintain proper water chemistry to reduce corrosion at the equipment pad.
- Address seal plate or shaft seal leaks immediately to protect the motor from water damage.
- Keep baskets and filters clean to reduce pump strain and avoid operating the pump in cavitation conditions.
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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