Pentair
Pentair Heater Transformer
Ensure your pool or spa heater operates efficiently with the Pentair Heater Transformer (42001-0107S). This genuine Pentair replacement part is engineered to provide the correct power for the control systems of compatible Pentair and Sta-Rite heaters. It supports dual voltage operation, accommodating both 115V and 230V systems, making it a versatile solution for maintenance or repairs. This transformer is a reliable component for models like the MasterTemp and ETi series, ensuring consistent performance.
$99.95
Owner Satisfaction
3.5
/ 5
Category Rank
2792
/ 2961
#2792 in Pool & Spa Accessories
Price vs Category Average
-70%
Below average
Input Voltage
115230
/ Volt / Volt
Who it's for
- Seamless OEM Compatibility
- Robust Construction
- Essential Safety Function
Who should skip it
- High Replacement Cost
- Susceptibility to Surges
- Technical Installation Required
Key Specs
Input Voltage
115 Volt / 230 Volt
Compatibility
Pentair MasterTemp, MasterTemp 125, ETi 400, ETi 250 Heaters; Sta-Rite Max-E-Therm Heaters
Heater Type
Gas
Pool Type Compatibility
In Ground
Manufacturer Part Number
42001-0107S
Features
- Genuine Pentair replacement part
- Dual voltage operation (115V/230V)
- Ensures proper control system power
- Direct fit for multiple heater models
- Compatible with MasterTemp and ETi series
- Reliable performance for pool heaters
What customers say
This essential OEM replacement transformer for Pentair heaters is praised for being an exact fit, simplifying DIY installation and immediately restoring full heating functionality after error codes. Users appreciate the quick fix that avoids service fees. However, the primary friction points are cost and perceived longevity. Many customers feel the high price offers poor value for a standard component. Furthermore, recurring reports suggest durability issues, with some needing multiple replacements over time. The overall sentiment is pragmatic acceptance: satisfaction with the immediate repair success is tempered by frustration over the expense and questions about long-term reliability.
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