Description
The Hayward HeatPro Heat-Only Pool Heat Pump (W3HP21105T) is a 110,000 BTU high-efficiency electric pool heater designed for inground swimming pools where reliable heating and lower operating costs are priorities. Built by Hayward, a trusted leader in pool heating technology, this model delivers consistent performance without the use of gas or combustion.
As a heat-only heat pump, the W3HP21105T transfers heat from the surrounding air into the pool water, making it an energy-efficient solution for maintaining comfortable swim temperatures during cooler weather. This approach helps reduce operating costs compared to traditional gas heaters, especially in moderate climates.
A titanium heat exchanger provides excellent resistance to corrosion and chemical exposure, making the unit suitable for both traditional chlorine and saltwater pool systems. Designed for quiet operation and long service life, the HeatPro heat-only model is a dependable choice for residential pool owners seeking efficient electric heating.
Key Heater Specifications
| Specification | Details |
|---|---|
| Heating Output | 110,000 BTU |
| Heater Type | Electric Heat Pump (Heat Only) |
| Heat Exchanger Material | Titanium |
| Pool Type | Inground Pool |
| Application | Residential |
Alternate Part Numbers
-
HP21105T
-
W3HP21105T
Frequently Asked Questions (FAQs)
What does heat-only mean?
Heat-only models are designed strictly to heat pool water and do not include cooling or chilling functionality.
What size pools is the W3HP21105T best for?
This 110,000 BTU heat pump is well suited for small to medium inground pools, depending on climate and desired temperature maintenance.
Is this heater compatible with saltwater pools?
Yes. The titanium heat exchanger offers excellent corrosion resistance, making it ideal for saltwater pool systems.
How does a heat pump differ from a gas heater?
Heat pumps use electricity to transfer heat from the air to the 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.
