💧 Stack Flue Sensor,Pentair MasterTemp/Max-E-Therm,Service Kit
Made by StaRite/Pentair, manufacturer part number 42002-0024S. It is listed for the equipment shown below, so check the model on your own unit against that list.
📏 Specifications
| Specification | Value |
|---|---|
| Brand | StaRite/Pentair |
| Manufacturer part number | 42002-0024S |
| Catalog description | Stack Flue Sensor,Pentair MasterTemp/Max-E-Therm,Service Kit |
✅ Listed for
- 333 400 Electrical System StaRite Max-E-Therm SR-200
California Residents WARNING: Cancer and Reproductive Harm
This new stack flue sensor comes with instructions on how to retrofit the older stack flue switch (42002-0009).
Exploded parts diagrams: This part is shown as item #16 on the Pentair MasterTemp 125 Electrical System; item #16 on the Pentair MasterTemp Gas Heater Electrical System exploded parts diagrams.
🔧 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 ◀ this part |
| 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 |
| 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 |




















