💧 Hi Limit Switch, Pentair MasterTemp 125
Made by Pentair, manufacturer part number 474367Z.
📏 Specifications
| Specification | Value |
|---|---|
| Brand | Pentair |
| Manufacturer part number | 474367Z |
| Catalog description | Hi Limit Switch, Pentair MasterTemp 125 |
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 |
🔧 Exploded diagram and parts
This part belongs to the Pentair MasterTemp 125 Electrical System assembly. Everything listed below is something we stock for it, and the numbers match the diagram.
Plug Kits
| Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|
![]() |
Wire Harness, Pentair MasterTemp 125, 120/240v | 461107 | 8 in stock | $407.06 | Add to cart |
![]() |
Plug Kit, Pentair Max-E-Therm/MasterTemp, 115v/230v | 42001-0105S | 3 in stock | $72.92 | Add to cart |
Parts that go with this
| Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|
![]() |
Generic PTFE Teflon/Plumbers Thread Seal Tape A05-0265 | A05-0265 | 214 in stock | $1.27 | Add to cart |


















