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Coates PHS Series Electric Pool & Spa Heater 45KW, 208V, 128A, 32045PHS

Coates PHS Series Electric Pool & Spa Heater 45KW, 208V, 128A, 32045PHS

Mfg #: 32045PHS

SKU: 32045PHS

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Important Notes About Ordering Coates Heaters

Coates heaters are a made-to-order product. When you order your Coates heater from E-Z Test Pool Supplies, we'll confirm a lead time with the manufacturer which typically can range up to 6-10 weeks.

E-Z Test Pool Supplies cannot fulfill orders for Coates heaters in the following states: Washington, Oregon, Idaho, California. Any orders placed within these states will be canceled and refunded.

Coates 32045PHS Electric Heater; 45 kW, 3-Phase, 208 V, 125 A

The Coates PHS Series pool and spa heaters feature a flow switch to prevent operation when there is no water flow. An all stainless steel tank for long life and corrosion resistance is also standard. Our 36-57kw heaters now include a digital thermostat for more precise control of pool water temperature. 


  • Incoloy heating elements
  • Digital thermostat
  • Manual reset high temp limit
  • Flow switch
  • 2″ male NPT connections
  • Heavy duty contactors
  • Stainless steel tank
  • Element, flow and high temp “on” lights
  • Element fusing on units rated over 48 amp

Technical Data

  • 28”L x 15”W x 15”H (100 lbs)
  • Min Flow Rate: 20 GPM
  • Max Flow Rate: 80 GPM
  • Three phase
  • UL Listed for indoor/outdoor installation


AmperageDraw 125 A
Brand Coates
CabinetDepth 15 Inch
CabinetHeight 28 Inch
CabinetWidth 15 Inch
FlowRate 20 - 80 gpm
HeatOutput 45 kW
Item Electric Heater
MaximumBreakerSize 175 A
Phase 3-Phase
Series PHS
VoltageRating 208 V
WaterConnection 2 Inch MNPT
WireSize 2/0 AWG

Install Guide

Technical Info

Operational Manual