💧 Hayward PowerFlo Matrix 1.0 HP Above-Ground Pool Pump | 115V, 6′ Cord | W3SP1592

🏊 The above-ground pool pump engineered for superior versatility — switch between vertical and horizontal discharge at the push of a button.

📋 Product Overview

The Hayward PowerFlo Matrix W3SP1592 is a 1.0 HP single-speed pump purpose-built for above-ground and on-ground swimming pools. Engineered by Hayward — a name with over 80 years in pool equipment manufacturing — this pump delivers strong, reliable water circulation with an output of up to 86 GPM.

What sets the PowerFlo Matrix apart is its patented push-button discharge conversion. With a single press, the pump switches between vertical and horizontal discharge orientation, giving you unmatched installation flexibility. The industrial-size strainer basket — the largest in the above-ground pump category — captures leaves and debris while keeping maintenance to a minimum. A high-flow Noryl impeller with oversized openings prevents clogging, and the heavy-duty motor features an integrated automatic thermal overload protector for years of dependable service.

Whether you’re setting up a new above-ground pool or replacing an aging pump, the PowerFlo Matrix delivers the performance, durability, and ease of use that serious pool owners demand.

⭐ Key Features

• ✅ Push-Button Discharge Conversion — Instantly switch between vertical and horizontal discharge orientation with one press, giving you total installation flexibility
• ✅ Industry’s Largest Strainer Basket — Oversized industrial strainer basket captures more debris, meaning fewer cleanouts and less maintenance for you
• ✅ High-Flow Noryl Impeller — Wide-opening impeller design actively prevents clogging from leaves and large debris, maintaining consistent water flow
• ✅ Heavy-Duty Motor with Thermal Protection — Integrated automatic thermal overload protector prevents heat damage and extends motor life for years of operation
• ✅ C-Clip Quick-Release Strainer Housing — Disengage the strainer housing in seconds for hassle-free basket cleaning and pump maintenance
• ✅ Quick-Connect Intake & Discharge — Fast-connect pipe fittings speed up installation and simplify seasonal hookup and removal
• ✅ Corrosion-Proof Housing — Durable construction stands up to all-weather outdoor conditions for years of dependable service
• ✅ Heat-Resistant Double-Sized Seal — Oversized mechanical seal resists heat degradation for longer-lasting efficiency and fewer seal replacements
• ✅ Protected Rear-Mounted On/Off Switch — Convenient, energy-efficient switch is protected from the elements for reliable operation
• ✅ Integral Drain Plug — Built-in drain plug makes winterization quick and easy — just drain, disconnect, and store

🔧 Technical Specifications

📊 Performance Data — Pump Output (GPM) vs. Total Resistance to Flow (Feet of Head)

💰 Usage Costs & Running Expenses

Understanding your pump’s operating costs helps you plan your pool budget. Here’s a transparent breakdown of what it costs to run the Hayward PowerFlo Matrix 1.0 HP pump based on verified data.

📊 Annual Running Cost Calculation

Assumptions (clearly stated):

• Power draw: 12 Amps × 115V = 1,380 Watts (1.38 kW)
• Typical above-ground pool season: 5 months (approximately 150 days, May through September)
• Daily run time: 8 hours/day (standard recommendation for adequate water turnover)
• ⚡ Energy rate: $0.1778 per kWh (U.S. national average residential electricity rate, November 2025 EIA data, as reported by Choose Energy, February 2026 — chooseenergy.com/electricity-rates-by-state)

Calculation:

Annual operating hours: 8 hours/day × 150 days = 1,200 hours/year
Annual energy consumption: 1.38 kW × 1,200 hours = 1,656 kWh/year
✅ Annual running cost: 1,656 kWh × $0.1778/kWh = $294.52/year

💵 That works out to approximately $58.90 per month during the pool season (based on 5 months of operation).

🏊 Cost Scenarios by Usage Pattern

⚠ Important Note: Your actual electricity costs will vary based on your local utility rate. Rates range from approximately $0.12/kWh (North Dakota) to over $0.40/kWh (Hawaii). Check your electric bill or visit eia.gov for your state’s current residential rate.

Amperage Source: INYOPools.com product specifications for W3SP1592. Note: An INYOPools Q&A response from a product specialist cites 13.8 amps for this model. At 13.8 amps, annual cost for the “Typical Use” scenario would be approximately $338.76/year. We recommend checking the motor nameplate on your specific unit for the exact amp rating.

🎯 Real-World Examples & Applications

🏊‍♂ Above-Ground Pool Filtration (Primary Use)

The PowerFlo Matrix is specifically engineered for above-ground pools. With 86 GPM flow at low head pressure, it can turn over a typical 10,000–15,000 gallon above-ground pool in approximately 2–3 hours. Ideal for round pools up to 24 feet and oval pools up to 15′ × 30′. The single-speed design keeps installation simple — plug into a GFCI-protected outlet and you’re running.

🔄 Replacement for Older Above-Ground Pumps

The W3SP1592 is a direct replacement for the older SP1592 (non-W3 prefix). It’s also commonly used as an upgrade for Hayward PowerFlo LX pumps. The standard 1-1/2″ FPT connections and 48-frame thru-bolt motor make it compatible with most existing above-ground plumbing setups. The push-button discharge conversion means it adapts to your existing installation — whether your plumbing runs vertically or horizontally.

🏠 Residential On-Ground Pool Systems

For on-ground pools (semi-inground installations), the PowerFlo Matrix provides reliable circulation. Its corrosion-proof housing handles outdoor exposure in all climate zones, and the integral drain plug simplifies winterization for seasonal pool owners in colder regions.

☀ Seasonal Pool Operations

If you open your pool in May and close in September, the PowerFlo Matrix is built with seasonal use in mind. The integral drain plug allows complete drainage for winter storage, and the quick-connect/disconnect fittings make seasonal hookup and removal straightforward. Store the pump indoors during winter months to protect the motor and extend its service life.

🌊 Water Feature & Fountain Circulation

While primarily designed for pool filtration, the PowerFlo Matrix’s strong flow output (86 GPM at 10 ft. of head) can also support above-ground pool water features and return-line fountain attachments, adding visual appeal to your pool setup.

💡 Cost Savings Scenarios

📍 Scenario 1: Reducing Run Time with Proper Sizing

Many above-ground pool owners over-run their pumps. By matching the PowerFlo Matrix’s 86 GPM output to your pool’s volume, you can calculate the exact run time needed for a single water turnover and avoid running the pump longer than necessary.

Example — 12,000-Gallon Round Pool:

Pool volume: 12,000 gallons
Pump output: ~75 GPM (at typical 30 ft. of head for above-ground setups)
Time for one turnover: 12,000 ÷ 75 = 160 minutes ≈ 2.7 hours
Recommended: 2 turnovers/day = ~5.4 hours

💰 Running 6 hours/day instead of 10 hours/day for 150 days:

• ❌ At 10 hours/day: 1.38 kW × 10 × 150 × $0.1778 = $368.15/year
• ✅ At 6 hours/day: 1.38 kW × 6 × 150 × $0.1778 = $220.89/year
• 💵 Savings: $147.26/year just by optimizing your run time

📍 Scenario 2: Long-Term Reliability Value

The PowerFlo Matrix’s integrated thermal overload protector prevents motor burnout — a common failure point in budget pumps. Replacing a burned-out pump motor typically costs $150–$250+ for parts and labor. The thermal protector automatically shuts down and restarts the motor when conditions normalize, significantly extending the pump’s useful life.

📍 Scenario 3: Reduced Maintenance Time

The industry’s largest strainer basket means fewer cleanouts. Where a standard-size basket might need cleaning every 2–3 days in heavy debris conditions, the oversized PowerFlo Matrix basket can go longer between cleanings. The C-Clip quick-release system means each cleanout takes seconds rather than minutes — saving time across an entire pool season.

⚠ Note: Specific dollar savings for maintenance time and motor protection are not quantifiable with exact figures, as they depend on individual usage conditions. The scenarios above are based on the product’s design features and common industry experience.

📥 Downloads & Resources

📄 PowerFlo Matrix Owner’s Manual (ISSP1591 Rev H) — Complete installation instructions, wiring diagrams, troubleshooting guide, shaft seal replacement procedures, and warranty registration (PDF)

🏆 Why Choose the Hayward PowerFlo Matrix W3SP1592

• ✅ Unmatched Installation Flexibility — The only above-ground pump with push-button vertical-to-horizontal discharge conversion, adapting to any plumbing setup
• ✅ Built by Hayward — Backed by 80+ years of pool equipment engineering and a name trusted by pool professionals nationwide
• ✅ 86 GPM Flow Rate — Powerful enough to turn over a 12,000-gallon pool in under 3 hours, keeping your water crystal clear
• ✅ Lowest Maintenance in Its Class — The industry’s largest strainer basket and C-Clip quick-release system mean less time maintaining and more time swimming
• ✅ DOE Compliant with 2-Year Parts Warranty — Meets Department of Energy efficiency standards and comes with Hayward’s 2-year parts warranty for peace of mind
• ✅ Proven Track Record — The PowerFlo Matrix series has been a top-selling above-ground pump for years, with thousands of satisfied pool owners across the country

🛒 Why Buy From Parts4Tubs?

• ✅ Fast shipping across the USA
• ✅ Expert customer support from real pool & spa professionals
• ✅ Competitive pricing with no hidden fees
• ✅ Hassle-free returns and warranty support
• ✅ Trusted by thousands of American pool and spa owners
• ✅ Secure checkout and multiple payment options

✨ Summary

The Hayward PowerFlo Matrix W3SP1592 is a proven, dependable 1.0 HP above-ground pool pump that combines powerful 86 GPM performance with genuine installation convenience. Its push-button discharge conversion, oversized strainer basket, and heavy-duty thermal-protected motor deliver the reliability that above-ground pool owners need — season after season. Backed by Hayward’s 2-year parts warranty and 80+ years of pool industry expertise, this is a pump you can count on.

Order your Hayward PowerFlo Matrix W3SP1592 today and keep your pool running at peak performance all season long!

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Hot Tub Pump Collar & Union Size Chart

Imperial & Metric Specifications

Union Size	Collar Size	Thread OD	Union OD	O-Ring Size
1.5" Female Buttress Thread (FBT)	2.5" / 64mm (Tip to Tip) Measurement	2-1/2" 64mm	2-13/16" 71mm	2-5/16" OD 59mm
2" Female Buttress Thread (FBT)	3.1" / 78mm (Tip to Tip) Measurement	3-1/16" 78mm	3-3/8" 81mm	2-15/16" OD 75mm
2.5" Female Buttress Thread (FBT)	3.6" / 91mm (Tip to Tip) Measurement	3-5/8" 91mm	4-1/4" 108mm	3-7/16" OD 87mm

Important Notes

The union "size" (1.5", 2", 2.5") is nominal and doesn't correspond to any actual measurement.

Collar size is measured from thread tip to thread tip on the pump outlet.

Most hot tub pumps use Female Buttress Thread (FBT) - 98% of applications.

O-ring gaskets may vary between manufacturers - measure your existing gasket for accuracy.

How do I Replace a Hot Tub Pump?

Here's a general step-by-step guide on how to replace a hot tub pump. Keep in mind that the specific steps may vary depending on your hot tub's make and model, so it's essential to consult your hot tub's manual for model-specific instructions. If you're not comfortable with this procedure, it's a good idea to seek professional assistance.

Materials You'll Need:

• Replacement pump
• Pipe wrench
• Adjustable wrench
• Screwdriver
• Pipe sealant (thread tape or plumber's putty)
• PVC primer and cement (if you have PVC plumbing)
• Teflon tape (for threaded connections)

Procedure:

1. Turn Off the Power: Before you begin, ensure the hot tub's power supply is turned off at the circuit breaker or disconnect switch. Safety should always be a priority when working with electrical components.

2. Drain the Hot Tub: If your hot tub is not already empty, you'll need to drain it. Follow your hot tub's manual or manufacturer's instructions for proper draining. (You might not need to do this if you can lock the pump off with the gate valves)

3. Locate the Pump: Identify the location of the existing pump in your hot tub. It's usually located near the equipment area or in a designated pump compartment.

4. Disconnect the Electrical Wiring: Carefully disconnect the electrical wiring from the old pump. This typically involves removing the electrical conduit cover, unscrewing wire nuts, and disconnecting the wires from the terminals. Be sure to note the wire connections or take a picture for reference when connecting the new pump.

5. Disconnect the Plumbing: Depending on your hot tub's plumbing setup, you'll need to disconnect the plumbing connections to the pump. Use a pipe wrench or adjustable wrench to loosen and remove the fittings. Be prepared for some water spillage when disconnecting the plumbing.

6. Remove the Old Pump: Once the electrical and plumbing connections are detached, carefully remove the old pump from its mounting position. Some pumps may be secured with mounting brackets or bolts.

7. Prepare the New Pump: If the new pump is not pre-assembled, you may need to attach fittings, unions, or adapters to match your hot tub's plumbing. Ensure that you use the appropriate sealant or Teflon tape on threaded connections to prevent leaks.

8. Mount the New Pump: Position the new pump in the same location as the old one and secure it in place using the mounting brackets or bolts.

9. Reconnect Plumbing: Reconnect the plumbing to the new pump, ensuring that all connections are tight and secure. If your hot tub uses PVC plumbing, use PVC primer and cement to bond the connections properly.

10. Reconnect Electrical Wiring: Reconnect the electrical wiring to the new pump, following the notes or pictures you took earlier. Make sure all wires are properly connected and secure.

11. Turn On the Power: Restore power to the hot tub by switching on the circuit breaker or reconnecting the disconnect switch.

12. Test the Pump: Turn on the hot tub's pump to ensure that it's working correctly. Check for any signs of leaks or irregularities in the plumbing connections.

13. Refill the Hot Tub: Once you've confirmed that the new pump is functioning properly, refill the hot tub with water.

14. Check for Leaks: Inspect the plumbing connections for any leaks. If you find any, turn off the pump, drain the tub again, and reseal the connections as needed.

15. Monitor: Keep an eye on the pump and plumbing for the next few days to ensure everything is functioning correctly and that there are no further issues.

Remember that this is a general guideline, and the specific steps may vary based on your hot tub's design. If you're unsure or uncomfortable with any aspect of this process, please do get in touch, happy to help.

How do I know what size hot tub pump I have?

Determining the size of your hot tub pump is an important step when it comes to maintenance or replacement. To find out the size of your hot tub pump, follow these steps:

1. Check the Manual: The easiest way to determine the size of your hot tub pump is to consult the owner's manual or user documentation that came with your hot tub. The manual typically contains detailed information about the specifications and components of your hot tub, including the pump.

2. Look at the Pump Housing: If you don't have access to the manual or it doesn't provide the information you need, inspect the pump itself. Most hot tub pumps have a label or plate on the pump housing that displays essential details, including the pump's model number, manufacturer, and specifications. You can then send that to me or Google it.

3. Measure the Pump: If the label is missing or damaged, you can measure the pump's dimensions. Measure the diameter of the pump's wet end (the part where the water flows) and the length of the wet end. These measurements can help identify the size and capacity of the pump.

4. Consult the Manufacturer: If you can't find the information on the pump or in the manual, contact the hot tub manufacturer or a reputable dealer. Provide them with your hot tub's model and serial number, and they should be able to identify the correct pump size for your specific hot tub.

5. Online Research: You can also search online using the pump's model number or hot tub's make and model. Many manufacturers provide detailed information about their products on their websites, and you may find specifications for your pump model.

Once you have determined the size and specifications of your hot tub pump, you can proceed with maintenance, repairs, or replacement if necessary. Keep in mind that replacing a hot tub pump with the same size and capacity as the original is crucial to ensure proper water circulation and filtration in your hot tub. If you're unsure about any aspect of this process, get in touch, always happy to help.