Coates 240V 36kW 153 Amp Single Phase Electric Pool & Spa Heater – Model 12436PHS

Since the 1940s, Coates has been a trusted name in electric water heating solutions. Known for unmatched quality and reliability, Coates continues to lead the industry in high-performance pool and spa heaters ideal for both residential and commercial applications.

The Coates 12436PHS 36kW electric pool heater features a built-in flow switch to prevent operation when there is no water flow, allowing safe and efficient performance at flow rates between 0 GPM and 80 GPM. Its robust stainless steel tank offers long-lasting durability and corrosion resistance, making it suitable for indoor and outdoor installations.

Designed for precise control, this unit includes a digital thermostat and offers additional safety with a manual reset high-temperature limit. For use in high-altitude locations, consult the manufacturer before purchasing.

Key Features of the 12436PHS Pool Heater

• Incoloy heating elements for superior heat transfer and longevity
• Advanced digital thermostat for accurate temperature control
• Manual reset high-temperature safety limit
• Integrated flow switch to prevent dry operation
• 2″ male NPT plumbing connections (PHS series)
• Heavy-duty contactors for consistent performance
• Stainless steel tank resists corrosion and extends heater life
• Indicator lights for element, flow, and high temperature status
• Element fusing for electrical safety (on units rated above 48 amps)

Technical Specifications

• Dimensions: 28″ L x 15″ W x 15″ H
• Weight: 100 lbs
• Minimum Flow Rate: 20 GPM
• Maximum Flow Rate: 80 GPM
• UL Listed: Safe for indoor and outdoor installations

• 36 KW – Model: 12436PHS-3 – 150 AMPS
• 45 KW – Model: 12445PHS – 188 AMPS
• 54 KW – Model: 12454PHS-4 – 225 AMPS
• 57 KW – Model: 12457PHS – 238 AMPS
• 36 KW – Model: 32036PHS-3 – 100 AMPS
• 45 KW – Model: 32045PHS – 125 AMPS
• 54 KW – Model: 32054PHS-4 – 150 AMPS
• 57 KW – Model: 32057PHS – 158 AMPS
• 36 KW – Model: 34836PHS-3 – 44 AMPS
• 45 KW – Model: 34845PHS – 55 AMPS
• 54 KW – Model: 34854PHS-4 – 65 AMPS
• 57 KW – Model: 34857PHS – 69 AMPS
• 36 KW – Model: 36036PHS-3 – 35 AMPS
• 45 KW – Model: 36045PHS – 44 AMPS
• 54 KW – Model: 36054PHS-4 – 52 AMPS
• 57 KW – Model: 36057PHS – 55 AMPS