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The Pentair 42001-0063S Replacement High Limit Switch is a precision-engineered safety device designed to prevent overheating in Pentair pool and spa heaters. Compatible with MasterTemp and Max-E-Therm models, it features a 135°F cut-off temperature, durable corrosion-resistant brass construction, and easy installation. Backed by a 12-month warranty and USA-based support, it ensures reliable, long-lasting protection for your heating system.
| Asin | B07GCVHVFC |
| Best Sellers Rank | #63,084 in Patio, Lawn & Garden (See Top 100 in Patio, Lawn & Garden) #42 in Swimming Pool Heater Parts |
| Brand Name | Wholesale Sensors |
| Circuit Type | 1-way |
| Color | Brass |
| Compatible Devices | Pentair MasterTemp, Pentair Max-E-Therm, Pentair SR200, Pentair SR333, Pentair SR400 |
| Connectivity Protocol | Wi-Fi |
| Connector Type | Male-to-female |
| Contact Material | Brass |
| Contact Type | Normally Open |
| Control Method | Touch |
| Control Type | Automatic |
| Current Rating | 15 Amps |
| Customer Reviews | 4.5 4.5 out of 5 stars (248) 4.5 out of 5 stars |
| International Protection Rating | IP00 |
| Item Dimensions | 2 x 1 x 2 inches |
| Manufacturer | Wholesale Sensors |
| Material Type | Brass |
| Model | 42001-0063S |
| Mounting Type | Wall Mount |
| Number Of Items | 1 |
| Number Of Positions | 1 |
| Operating Voltage | 120 Volts (AC) |
| Operation Mode | Automatic |
| Part Number | 42001-0063S |
| Switch Type | Limit Switch, Temperature Switch |
| Terminal | Through Hole |
| Unit Count | 1.0 Count |
| Upc | 757347651180 |
| Upper Temperature Rating | 135 Degrees Fahrenheit |
| Warranty Description | 12-month warranty on any manufacturers defect from date of purchase. |
User
Works exactly as described
Bought this item to repair a Pentair Mastertemp 400HD. Tried to use our pool heater for the first time this season and was met with disappointment. When our Easytouch called for heat, the heaters would light up, with the "service heater" light on. Heater would not attempt to light and blower motor dis not activate. I removed the top panel to read the service codes on the back of the main board and the HLS high limit sensor led light was lit. Ordered a more expensive sensor from another vendor on Amazon, because it said it was OEM. Turned out it was falsely advertised and was a non oem replacement like the one sold in this add. I returned, then purchased this non oem replacement and could not be happier. Cheaper price and it functions just like advertised.
User
Good quality
Easy install and works as expected
User
Competitively priced
Thank you
User
This is not exact replica, but fit.
This is not exact replica, as hex 13/16" rather than 11/16". (wasn't exact fit for 13/16" deep well socket) Threads fit into unit, but need to add teflon tape.
User
Fine
Fit good, worked fine.
User
It worked!
Worked great. Fixed my problem.
User
Works perfectly - Pentair gas heater back online
You can definitely replace this yourself to fix the HSL error on your pentair gas heater. Worked perfectly and fair price.
User
Good Job!
PERFECT
User
Buen producto
Buen producto lo único que duro un siglo en llegarme nada contento con la paqueteria
Trustpilot
1 month ago
1 week ago