Exploded parts diagram: This part is shown as item #6 on the Pentair MasterTemp 125 Electrical System exploded parts diagram.
🔧 Pentair MasterTemp 125 Electrical System – exploded parts diagram

The numbered parts below make up this assembly. Parts we stock are linked – click any to view.
| No. | Part |
|---|---|
| – | Gas Heater, LP, Pentair MasterTemp 125, E-Commerce |
| – | 46-102-1008 |
| – | 46-102-1015 |
| – | Wire Harness, Pentair MasterTemp 125, 120/240v |
| – | 46-102-1010 |
| – | Plug Kit, Pentair Max-E-Therm/MasterTemp, 115v/230v |
| – | Wire Harness, Pentair Max-E-Therm/MasterTemp, 115v/230v |
| 16 | Stack Flue Sensor,Pentair MasterTemp/Max-E-Therm,Service Kit |
| 15 | 46-102-W012K15 |
| 14 | Heater Top, Pentair Master Temp |
| 13 | 46-102-W012K13 |
| 12 | Air Flow Switch, Pentair Max-E-Therm/MasterTemp |
| 11 | Transformer Kit, Pentair, Dual Voltage |
| 10 | 46-102-W012K10 |
| 9 | 46-102-W012K9 |
| 8 | Terminal Strip, Pentair Max-E-Therm/MasterTemp |
| 7 | Thermistor, Pentair Max-E-Therm/MasterTemp |
| 6 | Hi Limit Switch, Pentair MasterTemp 125 ◀ this part |
| 5 | Automatic Gas Shutoff Switch, Pentair MasterTemp 125 |
| 4 | Gasket, Pentair Max-E-Therm/MasterTemp, Igniter |
| 3 | Igniter, Pentair Max-E-Therm/MasterTemp, with Gasket |
| 2 | Igniter Bracket, Pentair Max-E-Therm/MasterTemp |
| 1 | Control Panel Cover, Pentair MasterTemp |




