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Hayward W3HP21404T Pool Heat Pump, 140,000 BTU

Hayward Heat Pump Pool Heaters Heat Only
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HeatPro W3HP21404T

Hayward Swimming Pool Products and Heaters

Hayward W3HP21404T Pool Heat Pump - 140,000 BTU

The Hayward Heat Pro W3HP21404T pool heat pump has 140,000 BTUs, making it suitable for large pools. Pool owners choose this unit because of its top-ranking energy-efficiency and durability. It is compatible with Hayward, Intermatic, Compool, AquaLink, Goldline, and AquaSwitch control systems. The continuous temperature display is simple to use and allows owners to change their pool temperature by increments of one degree. The unit is designed to resist all types of corrosion, with an Ultra-Gold evaporator fin designed for extra protection in coastal regions. The hardware is stainless steel and rust-proof, and the titanium heat exchanger is guaranteed against any corrosion. The set-up is easy, with electrical hook-ups conveniently located on the unit and self-diagnostic codes allow the pool heat pump to analyze its own performance, making for straightforward and low-maintenance upkeep.

Features & Benefits:

  • 100% Titanium Heat Exchanger – Pressure tested, high energy & impervious to corrosion
  • Ultra Gold Evaporator Fins – Corrosion resistant which increases durability in harsh environments
  • Vinyl Coated Fan Guard – Protects against debris and the elements
  • Stainless Steel Hardware – Eradicates corrosion
  • Compact Size – Smaller footprint makes upgrades easier
  • Easy Plumbing Connections – 2” by 2-1/2” union fittings
  • Scroll Compressor – Quietest compressor manufactured
  • Quiet Performance – Profiled fan blade & acoustic cover
  • Dual Electronic Thermostat – Continuous pool temperature display, easy to change setpoints, setpoint lock out for tamper proof settings, self diagnostic codes and compatible with many industry control systems including Hayward, Goldline®, Intermatic, AquaSwitch, AquaLink and Compool.

Hayward Energy Solutions


Heater Type:
Heat Only


kW Input:
BTU Output, Standard Rating Conditions 80/80/80
140,000 BTU
COP, Standard Rating Conditions 80/80/80:
BTU Output 80/80/63
130,000 - 139,000 BTU
COP 80/80/63

Model Specifications

Pipe Size:
2" FIP
Heat Only
AHRI Certified
Refrigerant Type:
Display Controls:
Dual - Pool & Spa
Heat Exchanger:

Electrical Specs

Maximum Breaker Fuse Size:
60 Amps
Recommended Fuse Size :
60 amps
60 Hz
Phase Type
Single Phase
Minimum Circuit Ampacity / Max Breaker:

Pool Water Flow

Flow Rate: Min/Max:
30/75 GPM
Water Flow Min/Max GPM:
30/75 GPM

Physical Specs

Weight (lbs.):
280 lbs. (320 lbs. Ship Wt.)
Length x Width x Height (in.):
30.25" x 34" x 44"
30.25" x 34" x 44"
Shipping Weight:

Two (2) years for parts and one (1) year for labor.

Florida Only: Two (2) years for parts and (2) years labor.

Compressor: Five (5) year limited warranty on the compressor with parts and labor warranted for the first two (2) years and parts only warranted in the three (3), four (4) and five (5).

The titanium tube component of the heat exchanger has a ten (10) year warranty.

Download Owner's Manual for details.

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