Pentair
Pentair High Limit Switch for Max-E-Therm/MasterTemp
Ensure your pool or spa heater operates safely with the Pentair High Limit Switch (42001-0063S). This essential replacement part acts as a critical safety mechanism, automatically shutting down the heater if temperatures rise above a safe limit to prevent overheating. Designed as a direct replacement for compatible Pentair and Sta-Rite models, including the MasterTemp and Max-E-Therm series, it offers reliable temperature monitoring and peace of mind. Customers appreciate its perfect fit and dependable performance, making it a trusted choice for maintaining your heating system's safety.
$79.95
Owner Satisfaction
4.3
/ 5
Category Rank
1525
/ 2959
#1525 in Pool & Spa Accessories
Price vs Category Average
-76%
Below average
Manufacturer Part Number
420010063
/ -S
Who it's for
- Essential Safety Feature
- OEM Compatibility
- Simple Diagnostic Tool
Who should skip it
- Susceptible to Nuisance Tripping
- Higher OEM Cost
- Symptom, Not Cause
Key Specs
Manufacturer Part Number
42001-0063S
Compatibility
Pentair MasterTemp, ETi 250, ETi 400, Sta-Rite Max-E-Therm Heaters
Pool Type Compatibility
In Ground
Item #
42001-0063S
Features
- Prevents pool/spa heater overheating
- Essential safety shutdown mechanism
- Direct replacement for Pentair heaters
- Reliable temperature monitoring
- Compatible with MasterTemp series
- Compatible with Max-E-Therm series
- Ensures safe heater operation
- Easy installation
What customers say
Customers overwhelmingly praise this high limit switch for its effectiveness in immediately resolving critical heater error codes, restoring full functionality to Max-E-Therm and MasterTemp units. The consensus highlights that it is a perfect direct fit, making installation straightforward for DIY homeowners. While users appreciate the successful repair, sentiment is tempered by the high cost of this essential OEM replacement part. Additionally, some express concern regarding the long term durability, hoping this replacement lasts longer than the original component. Despite reservations about price and expected lifespan, the immediate relief and successful troubleshooting make this switch a highly recommended, high impact maintenance item.
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