💧 Thermal Regulator, Pentair MasterTemp
Made by StaRite/Pentair, manufacturer part number 38000-0007S.
📏 Specifications
| Specification | Value |
|---|---|
| Brand | StaRite/Pentair |
| Manufacturer part number | 38000-0007S |
| Catalog description | Thermal Regulator, Pentair MasterTemp |
Exploded parts diagram: This part is shown as item #16 on the Pentair MasterTemp Gas Heater Water System exploded parts diagram.
🔧 Pentair MasterTemp Gas Heater Water System – exploded parts diagram

The numbered parts below make up this assembly. Parts we stock are linked – click any to view.
| No. | Part |
|---|---|
| – | _U11-197P |
| – | 46-102-1000 |
| – | 46-102-1002 |
| – | Heat Exchanger Kit, Pentair MasterTemp HD 250 ASME |
| – | 46-102-1005 |
| – | 46-102-1020 |
| – | 46-102-1025 |
| – | 46-102-1030 |
| – | 46-102-1035 |
| – | 46-102-1040 |
| – | 46-102-1045 |
| – | 46-102-1050 |
| – | 46-102-1055 |
| – | 46-102-1060 |
| – | 46-102-1100 |
| – | 46-102-1105 |
| – | 46-102-1110 |
| – | 46-102-1115 |
| – | 46-102-1120 |
| – | 46-102-1125 |
| – | 46-102-1130 |
| – | 46-102-1150 |
| – | Gas Heater, LP, Pentair MasterTemp, 250K BTU, E-Commerce |
| – | Gas Heater, NG, Pentair MasterTemp, 400 BTU, E-Commerce |
| – | Kit Thermal Regulator |
| – | _460923 |
| 23 | 46-110-W025K23 |
| 22 | Pressure Relief Valve, Pentair Max-E-Therm, ASME |
| 21 | Plug, Pentair MasterTemp/Max-E-Therm, 3/4" mpt, Zinc |
| 20 | Drain Plug, Pentair Sta-Rite, 1/4"mpt, with O-Ring |
| 18 | O-Ring, 1-5/8" ID, 3/16" Cross Section, Generic |
| 16 | Thermal Regulator, Pentair MasterTemp ◀ this part |
| 15 | Thermal Regulator Kit, Pentair MasterTemp/Max-E-Therm |
| 14 | Connecter Tube, Pentair MasterTemp/Max-E-Therm, w/O-Ring |
| 13 | O-Ring, 2" ID, 1/8" Cross Section, Generic |
| 12 | Hardware Kit, Pentair MasterTemp, 5/16-18 x 3-1/4" |
| 11 | Washer, Pentair Sta-Rite, 5/16" |
| 9 | 46-110-W025K9 |
| 8 | Manifold Bypass Valve Kit, Pentair MasterTemp/Max-E-Therm |
| 5 | O-Ring, Kit Pentair MasterTemp/Max-E-Therm, Manifold |
| 3 | 46-110-W025K3 |
| 2 | 46-110-W025K2 |
| 1 | 46-110-W025K1 |
🔧 Exploded diagram and parts
This part belongs to the Pentair MasterTemp Gas Heater Water System assembly. Everything listed below is something we stock for it, and the numbers match the diagram.
Complete kit thermal regulators
| Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|
![]() |
Kit Thermal Regulator | 460924 | 1 in stock | $144.19 | Add to cart |
Parts that go with this
| Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|
![]() |
Silicone Based Lubricant 1oz 00150 | 00150 | 343 in stock | $5.26 | Add to cart |
![]() |
O-Ring Chart, Aladdin | MG1 | 17 in stock | $83.58 | Add to cart |






























