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Coates PHS Series Electric Heater 3 Phase 57kW 208V 32057PHS
Coates PHS Series Electric Heater 3 Phase 57kW 208V 32057PHS
A powerful 57kW commercial electric heater with digital thermostat and durable construction for large pools.
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The Coates PHS Series 32057PHS Electric Heater is a high-efficiency 57kW commercial-grade heater designed for large pools and spas.
It operates on 208V three-phase power, ensuring rapid and consistent water heating. The heater features Incoloy heating elements and a digital thermostat for precise temperature control.
Safety is enhanced with a manual reset high-temperature limit and a flow switch to prevent operation without water flow.
Built for durability, it includes a corrosion-resistant stainless steel tank and heavy-duty contactors. The compact design (28" L x 15" W x 15" H) and 2" male NPT connections make installation easy.

⭐⭐⭐⭐⭐
Customers praise the Coates PHS Series 32057PHS for its powerful 57kW heating capacity and rapid performance.
The digital thermostat and Incoloy heating elements are highlighted for their precision and durability.
Users appreciate the safety features, including the manual reset high-temperature limit and flow switch.
The compact and corrosion-resistant design makes it ideal for commercial pool setups.
Many reviewers commend its ease of installation and UL-listed reliability.

- High-Efficiency Heating: 57kW capacity ensures rapid water heating for large pools.
- Precise Temperature Control: Digital thermostat and Incoloy heating elements provide accurate adjustments.
- Durable Construction: Corrosion-resistant stainless steel tank and heavy-duty contactors for longevity.
- Safety Features: Includes manual reset high-temperature limit and flow switch for safe operation.
- Easy Installation: Compact design and 2" male NPT connections simplify setup.

- Amperage: 158 amperage
- Shipping Dimensions: 28 x 5 x 15 inch
- Application: Pool
- Cabinet Depth: 15 inch
- Cabinet Height: 28 inch
- Cabinet Width: 15 inch
- Commercial, Residential, or Professional: Commercial
- Each Product Weight: 93 pound
- Flow Rate Max: 80 gal/min
- Flow Rate Min: 20 gal/min
- Fuel Type: Electric
- Heat Output: 57 kilowatts
- Master Carton Quantity: 1
- Minimum Sell Quantity: 1
- Pallet Quantity: 1
- Phase: Three
- Product Depth: 28 inch
- Product Height: 15 inch
- Product Weight: 100 pound
- Product Width: 18 inch
- Standards Approvals: UL Listed
- Voltage: 208V
- Wattage: 57 kilowatts
- Wire Size (AWG): 3/0

Q: What is the heating capacity of the Coates 32057PHS?
A: The heater provides 57kW of heating power, ideal for large commercial pools.
Q: Does it include safety features?
A: Yes, it has a manual reset high-temperature limit and a flow switch for safe operation.
Q: Is the heater suitable for outdoor use?
A: Yes, it is UL-listed for both indoor and outdoor installations.


Pool heaters and heat pumps are not returnable once installed or connected. Double-check fuel type, voltage, and sizing before installation.

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Raypak is a trusted name in pool and spa heating, offering energy-efficient gas heaters and heat pumps built for long-lasting performance. Whether you're warming up your pool for year-round use or extending your swim season, Raypak delivers reliable temperature control. At AquaDoc, we offer a wide selection of Raypak pool heaters to help you enjoy comfortable water—whenever you want it.
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