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Hayward W3HP31005T Pool Heat Pump, 100,000 BTU, Heat/Cool

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HeatPro W3HP31005T Heat/Cool

Hayward W3HP31005T Pool Heat Pump - 100,000 BTU
Many pool owners choose the Hayward W3HP31005T pool heat pump for its round, compact design and excellent energy efficiency.  With 100,000 BTUs, this unit is ideal for medium and large pools. Part of what makes this brand so popular is the durability, industry leading quiet operation, easy installation and for superior value, performance and reliability.

With stainless steel parts, Ultra-Gold evaporator fin, and titanium heat exchanger, this unit is proven to be corrosion-resistant. The technology that separates this unit from others is its self-diagnostic codes that monitor the pool heat pump’s performance and its compatibility with Hayward, AquaSwitch, Compool, Intermatic, AquaLink, and Goldline control systems. The continuous temperature display is easy to use and your pool’s temperature can be adjusted by increments of one degree. The non-metal cabinet is durable, and set-up is convenient with easy-access electrical hook-ups.

Features & Benefits:
Heat/Cool includes active defrost for low ambient operation
Low Ambient
COP 6.4
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
Round Design - Easily fits through gates and takes up less space on the equipment pad
Compact Size with smaller footprint fits easily into tight spaces and makes upgrades easier, requiring only 6" clearance behind unit.
Lightweight - Less than 250lbs
Easy Plumbing Connections – 2in x 2 1/2in CPVC union plumbing connections
Scroll Compressor – Quietest compressor manufactured
Quiet Performance – Profiled fan blade & acoustic cover

Multi-speed fan modulates speed automatically for quiet, energy-efficient operation

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 W3HP31005T Pool Heat Pump Specifiations

Hayward W3HP31005T pool heat pump dimensions

Hayward Swimming Pool Products and Heaters

Hayward Energy Solutions




BTU Output, Standard Rating Conditions 80/80/80
100,000 BTU
COP, Standard Rating Conditions 80/80/80:
BTU Output 80/80/63
90,000-100,000 BTU
COP 80/80/63

Model Specifications

Pool Type:
  • Above Ground
  • In Ground
Power Watts:
Refrigerant Type:
Acoustic compressor cover with stainless steel hardware. Quiet technology minimizes compressor sound level.
Display Controls:
Compressor LRA:
Compressor RLA:
Heat Exchanger:
Evaporator Coil:
An Ultra Gold, Corrosion-Resistant polyethylene screen protects the evaporator coil and maintains peak efficiency

Electrical Specs

60 Hz
Phase Type
Single Phase
Minimum Circuit Ampacity / Max Breaker:

Pool Water Flow

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

Physical Specs

Weight (lbs.):
247 lbs
Length x Width x Height (in.):
31.5 x 40.2
Shipping Weight:
305 lbs
Shipping Dimensions:
32" x 32" x 46"

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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