The Pentair 42001-0057S Transformer is a replacement component designed for use in Pentair's Sta-Rite Max-E-Therm and MasterTemp pool and spa heaters. This transformer adapts input voltages of 120V or 240V to the appropriate levels required by the heater's electrical system, ensuring efficient and safe operation.

Key Features:

• Voltage Adaptability: Accepts both 120V and 240V input voltages, providing flexibility for various electrical setups.
• Compatibility: Specifically designed for Pentair Sta-Rite Max-E-Therm and MasterTemp pool and spa heaters, ensuring seamless integration and optimal performance.
• Dual and Single Adapter: Equipped with both dual and single adapters to accommodate different installation requirements.
• Genuine Pentair Part: As an authentic Pentair replacement part, it meets the manufacturer's specifications for quality and reliability.

Technical Specifications:

• Input Voltage: 120V/240V AC
• Output Voltage: 24V
• Compatibility: Fits Pentair Sta-Rite Max-E-Therm and MasterTemp pool and spa heaters.