💧 MPV, American Products/Pentair Sand Filter, 2″ Threaded
Made by American Products/Pentair, manufacturer part number 50123100. It is listed for the equipment shown below, so check the model on your own unit against that list.
📏 Specifications
| Specification | Value |
|---|---|
| Brand | American Products/Pentair |
| Manufacturer part number | 50123100 |
| Mounting Style | Top Mount |
| Plumbing Connection Type | Female Pipe Thread (fpt) |
| Plumbing Connection Size | 2″ |
| Models | Eclipse, Meteor |
| Multiport Valve Complete | Complete Valve |
| Mount Information | Clamp |
| Manufacturer # | 50123100 |
| Catalog description | MPV, American Products/Pentair Sand Filter, 2″ Threaded |
✅ Listed for
- Pentair/American Prod Sandpiper 24″ SS Tan Sand Filter
- Pentair/American Prod Sandpiper 30″ SS Tan Sand Filter
Exploded parts diagram: This part is shown as item #33 on the Sand Filter, Pentair/American Prod, Sandpiper 18″ SS Tan exploded parts diagram.
🔧 Sand Filter, Pentair/American Prod, Sandpiper 18" SS Tan – exploded parts diagram

The numbered parts below make up this assembly. Parts we stock are linked – click any to view.
| No. | Part |
|---|---|
| – | Tool, Socket, Double-Hex, 9/16 and 7/8, with 1.48well |
| – | Tool, Button-Hook, Drain Plug Wrench, Stainless Steel |
| 34 | 26-102-1538 |
| 33 | MPV, American Products/Pentair Sand Filter, 2" Threaded ◀ this part |
| 32 | 30-110-W005K32 |
| 31 | Union, Pent Am Prod Titan/Sandpiper, 1-1/2"s or 2"spg |
| 30 | 30-110-W005K30 |
| 29 | Union, Pent Am Prod Titan/Sandpiper, 1-1/2"spg |
| 28 | 30-110-W005K28 |
| 27 | Outlet Pipe Assy, Pent Am Prod Sandpiper, 18" |
| 26 | Winterizing Plug, Pent Am Prod Titan/Quantum/Sandpiper |
| 25 | Tank Base, Pentair American Products Titan/Sandpiper/Quantum |
| 24 | Gasket, Pentair American Products Titan/Sandpiper, Bulkhead |
| 23 | Bulkhead Washer, Pentair American Products Titan/Sandpiper |
| 22 | Gasket, Pentair American Products Sandpiper |
| 21 | 31-110-1247 |
| 20 | Bulkhead Nut, Pentair American Products Titan/Sandpiper |
| 19 | Bulkhead Assembly, Pentair American Products Sandpiper 18" |
| 18 | Bulkhead Spacer, Pentair American Products Titan/Sandpiper |
| 17 | Gasket, Titan/Sandpiper, Bulkhead, 2-5/8"ID, 3-7/16"OD |
| 16 | Gasket, Titan/Sandpiper,Bulkhead,2-5/8"ID,3-9/16"OD,Notched |
| 15 | Lateral, Pentair American Products Sandpiper, 18" |
| 14 | Washer, Pentair Purex Whisperflo/IntelliFlo, 1/4-20 |
| 13 | Screw, Pentair American Products Sandpiper, 1/4-20 x 3" |
| 12 | Standpipe Assembly, Pentair American Products Sandpiper, 18" |
| 11 | 30-110-W005K11 |
| 10 | Overdrain, Pentair American Products Sandpiper, 18"/24" |
| 9 | 30-110-W005K9 |
| 8 | Washer, Pentair American Products/PacFab |
| 7 | 30-110-W005K7 |
| 6 | 30-110-W005K6 |
| 5 | 30-110-W005K5 |
| 4 | Air Relief Hose, Pentair/American Products |
| 3 | Upgrade Kit, Pent Am Prod, High Flow Air Relief Valve |
| 2 | 30-110-W005K2 |
| 1 | 30-110-W005K1 |
🔧 Exploded diagram and parts
This part belongs to the Sand Filter, Pentair/American Prod, Sandpiper 18" SS Tan assembly. Everything listed below is something we stock for it, and the numbers match the diagram.
| No. | Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|---|
| 2 | ![]() |
Air Relief, Pent Am Prod/Purex/PacFab, Manual, w/Gauge | 98209800 | 44 in stock | $39.94 | Add to cart |
| 2 | ![]() |
Air Relief Valve, Pentair American Product, Manual | 98209803Z | 192 in stock | $28.83 | Add to cart |
| 3 | ![]() |
Upgrade Kit, Pent Am Prod, High Flow Air Relief Valve | 98209804 | 1 in stock | $80.22 | Add to cart |
| 6 | ![]() |
O-Ring, 17-7/8" ID, 5/16" Cross Section, Generic, O-87 | O-87 | 8 in stock | $10.17 | Add to cart |
| 16 | ![]() |
Gasket, Titan/Sandpiper, Bulkhead, 2-5/8"ID, 3-9/16"OD, Notched | G-380 | 1 in stock | $2.00 | Add to cart |
| 17 | ![]() |
Gasket, Titan/Sandpiper, Bulkhead, 2-5/8"ID, 3-7/16"OD | G-337 | 1 in stock | $6.78 | Add to cart |
| 30 | ![]() |
Union Valve Nut, Pentair American Products Titan/Sandpiper | 51013011 | Available to order | $39.32 | |
![]() |
Air Relief Valve, Pentair American Products | 98209803 | Available to order | $25.90 |
Complete tools
| Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|
![]() |
Tool, Socket, Double-Hex, 9/16 and 7/8, with 1.48well | MT-100 | 11 in stock | $68.45 | Add to cart |
![]() |
Tool, Button-Hook, Drain Plug Wrench, Stainless Steel | DPW-150 | 23 in stock | $78.24 | Add to cart |














