Hayward HeatPro MCHX Series Heat Pump 140,000 BTU | W3HP21405T

SKU: W3HP21405T

$7,249.00 $7,999.00


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The Hayward HeatPro Heat-Only Pool Heat Pump (W3HP21405T) is a 140,000 BTU high-efficiency electric pool heater designed specifically for inground swimming pools where reliable heating and energy efficiency are the top priorities. Built by Hayward, a trusted leader in pool heating technology, this model provides consistent water temperature without the use of gas or combustion.

As a heat-only heat pump, the W3HP21405T extracts warmth from the surrounding air and transfers it to the pool water, making it an economical option for maintaining comfortable temperatures during extended swim seasons. Its titanium heat exchanger delivers superior corrosion resistance, making it ideal for both traditional chlorine and saltwater pool systems.

Designed for quiet operation and long service life, the HeatPro heat pump is well suited for residential pool owners seeking dependable electric heating with lower operating costs compared to gas heaters. Its durable construction and proven performance make it a popular choice among pool professionals.

Key Heater Specifications

Specification Details
Heating Output 140,000 BTU
Heater Type Electric Heat Pump (Heat Only)
Heat Exchanger Material Titanium
Pool Type Inground Pool
Application Residential

Alternate Part Numbers

  • HP21405T

  • W3HP21405T


Frequently Asked Questions (FAQs)

What does “heat-only” mean?

Heat-only models are designed strictly for heating the pool water and do not include cooling or chilling functionality.

What size pools is the W3HP21405T best for?

This 140,000 BTU heat pump is ideal for medium to large inground pools, depending on climate and desired temperature maintenance.

Is this heater suitable for saltwater pools?

Yes. The titanium heat exchanger provides excellent corrosion resistance, making it well suited for saltwater systems.

How is a heat pump different from a gas heater?

Heat pumps use electricity to transfer heat from the air to the pool water, offering lower operating costs in moderate climates compared to gas heaters.

Is professional installation recommended?

Yes. Professional installation ensures proper electrical setup, airflow clearance, and optimal heating performance.