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Hayward

Hayward W3HP21405T HeatPro Heat Pump 140,000 BTU

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To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.

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Availability: In Stock.
Fulfilled by In The Swim Pool Supplies
Arrives May 25 – May 26
Order within 18 hours and 23 minutes
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Features

  • BUILT TO LAST: Titanium Heat Exchanger provides excellent salt water and chemical corrosion resistance, providing dependable performance no matter the environment.
  • QUIET OPERATION: This heat pump heats water efficiently while maintaining a quiet relaxed backyard environment.
  • ENERGY EFFICIENT: The HeatPro Heat Pump consumes less energy, making it an eco-friendly heating solution and saving you money over time.
  • LOW ENVIRONMENTAL IMPACT: Significant reduction in refrigerant means lower environmental impact.
  • EXCLUSIVE TECHNOLOGY: Corrosion resistant evaporator coil is uniquely designed for high performance in coastal areas.

Description

Hayward continues its position as the industry leader in innovation with HeatPro Series of electric heat pumps that are engineered to get your pool water to the perfect temperature. Hayward HeatPro heat pumps feature a corrosion resistant evaporator coil which provides extreme durability, especially in coastal environments. It's compact design allows for easy installation and service on new or existing pools.

Product Dimensions: 33.6 x 30.5 x 44 inches


Item Weight: 250 pounds


Manufacturer: Hayward


Item model number: W3HP21405T


Is Discontinued By Manufacturer: No


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: May 25 – May 26

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • PayTomorrow Financing
  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Similar Products

Top Amazon Reviews

    • Quiet and powerful
I’m impressed with this pool heater. It was a relatively easy installation requiring just three connections: the water inlet and outlet, and electrical which has to be wired into the control box but shouldn’t be a big deal to anyone who’s comfortable with wiring. The unit is quiet and seems pretty powerful - it raised my 18,000 gallon pool temp from 69f to 84f within a day (air temp 72), and has no trouble maintaining high temperatures like 90. I’m a happy customer. ... show more
Reviewed in the United States on March 13, 2026 by DEREK FERGUSON
    • Outstanding Pool Heater – Quiet, Powerful, and Efficient
Review Image by PapaKnowsStuff
Review Image by PapaKnowsStuff
I recently installed the **Hayward HeatPro MCHX 140K BTU Heat Pump (W3HP21405T)** and I can honestly say it’s one of the best upgrades I’ve made to my pool equipment. First off, the **build quality is excellent**. The unit feels extremely solid and well engineered, and the **titanium heat exchanger** gives me confidence that it’s going to last for many years even with regular pool chemistry exposure. Performance-wise, this heater is a beast. The **140,000 BTU output** heats my pool much faster than my previous system, and once the pool reaches temperature it does a fantastic job maintaining it. I’ve been able to extend my swimming season significantly without worrying about huge energy costs. One thing that really surprised me is **how quiet this unit runs**. Compared to older pool heaters, the HeatPro is incredibly quiet. You can stand right next to it and still have a normal conversation without raising your voice. Installation was straightforward, especially if you’re already familiar with pool plumbing and electrical. The **digital control panel is simple and intuitive**, making it easy to dial in the exact temperature you want. Another huge advantage is the **energy efficiency**. Heat pumps are far more efficient than traditional gas heaters, and this unit makes it easy to keep the pool comfortable without burning through fuel. **Pros:** * Very quiet operation * Powerful 140K BTU heating capacity * Durable titanium heat exchanger * Energy efficient heat pump design * Simple controls and reliable performance Overall, if you’re looking for a **high-quality, efficient pool heat pump that delivers serious heating power**, the Hayward HeatPro MCHX is an excellent choice. Highly recommended for anyone wanting to extend their pool season and enjoy warm water without sky-high energy bills. ... show more
Reviewed in the United States on March 12, 2026 by PapaKnowsStuff

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