💧 Inspection Plug, Carvin RMST-24/ST27, with O-Ring
Made by Carvin, manufacturer part number 42290403R000.
📏 Specifications
| Specification | Value |
|---|---|
| Brand | Carvin |
| Manufacturer part number | 42290403R000 |
| Catalog description | Inspection Plug, Carvin RMST-24/ST27, with O-Ring |
Exploded parts diagrams: This part is shown as item #12 on the Sand Filter, Jacuzzi, RMST-24; item #17 on the Sand Filter, Jacuzzi, ST27, ST33 exploded parts diagrams.
🔧 Sand Filter, Jacuzzi, RMST-24 – exploded parts diagram

The numbered parts below make up this assembly. Parts we stock are linked – click any to view.
| No. | Part |
|---|---|
| 16 | Drain Plug, Jacuzzi RMST-24/ST27 |
| 15 | Drain Plug Assembly, Jacuzzi RMST-24/ST27 |
| 14 | 31-105-1038 |
| 13 | 30-105-W005K13 |
| 12 | Inspection Plug, Carvin RMST-24/ST27, with O-Ring ◀ this part |
| 11 | Lateral, Jacuzzi TM26/RMST-24, 8 required |
| 10 | Standpipe Assembly, Jacuzzi RMST-24, with Laterals |
| 9 | Basket, Filter, OEM Carvin L MFM RMST |
| 8 | Upper Standpipe Nipple,Carvin Laser/MFM/RMST-24/ST27,1-1/2" |
| 7 | Fill Spout, Carvin Laser/MFM/RMST-24 |
| 6 | Diverter, Carvin Laser/MFM/RMST-24/ST27 |
| 5 | O-Ring, 5-1/4" ID, 3/16" Cross Section, Generic |
| 4 | Bolt, Carvin Laser/MFM/RMST-24/ST27, 5/16-18 x 1", qty 6 |
| 3 | 30-105-W005K3 |
| 2 | 30-105-W005K2 |
| 1 | 30-105-W005K1 |
🔧 Exploded diagram and parts
This part belongs to the Sand Filter, Jacuzzi, RMST-24 assembly. Everything listed below is something we stock for it, and the numbers match the diagram.
Parts that go with this
| Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|
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Tool, Button-Hook, Drain Plug Wrench, Stainless Steel | DPW-150 | 23 in stock | $78.24 | Add to cart |




















