High Limit Switch for Pentair Mastertemp & Sta Rite Heaters
Replacement high limit switch for Pentair Mastertemp and Sta Rite heaters. Indicates when HLS LED is illuminated to prompt replacement. Customer note: easy to install and fits Pentair 400 series and other BTU units
Highlights
- compatible with Pentair Mastertemp and Sta Rite
- HLS indicator signals replacement
- measures high temperature limit (135F)
Pros
- easy installation
- fits multiple heater models
- clear LED indicator for fault
- compact inline sensor location
- durable construction (quality noted by some customers)
Cons
- mixed durability feedback
- some customers find it pricey
Best For
Features
- Cross-compatibility with Pentair Mastertemp 400, 125 BTU ranges and Sta Rite heaters
- Indicates failure via HLS LED indicator on the main display when replacement is needed
- Located inside the heater on the black manifold beside other sensors; two wires connect to the sensor
- Measures and enforces a high temperature limit to 135F to shut off heater for safety
- Install by powering down, disconnecting sensor wires, removing old unit, and reconnecting the new switch
