💧 Plug, Pentair Rainbow Automatic Feeder 320, 1/2 NPT
Made by Rainbow/Pentair, manufacturer part number R172134.
📏 Specifications
| Specification | Value |
|---|---|
| Brand | Rainbow/Pentair |
| Manufacturer part number | R172134 |
| Catalog description | Plug, Pentair Rainbow Automatic Feeder 320, 1/2 NPT |
Exploded parts diagrams: This part is shown as item #17 on the Pentair High Capacity Automatic Feeder, HC-3315/3330/3340; item #16 on the Pentair Rainbow Auto Feeder Models 300-29X; item #16 on the Pentair Rainbow Auto Feeder Model 320; the Sand Filter, Pentair/American Prod, Sandpiper 30″ SS Tan exploded parts diagrams.
🔧 Pentair High Capacity Automatic Feeder, HC-3315/3330/3340 – exploded parts diagram

The numbered parts below make up this assembly. Parts we stock are linked – click any to view.
🔧 Exploded diagram and parts
This part belongs to the Sand Filter, Pentair/American Prod, Sandpiper 30" 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 | ||
|---|---|---|---|---|---|---|
| 1 | ![]() |
Pressure Gauge, Pentair, 1/4"mpt, 0-60psi, Bottom Mount, Adj Face | 190058Z | 358 in stock | $14.69 | Add to cart |
| 2 | ![]() |
Air Relief Valve, Pentair American Product, Manual | 98209803Z | 192 in stock | $28.83 | Add to cart |
| 10 | ![]() |
Barrel Nut/Spring Assembly, Pentair American Products/PacFab | 53108900Z | 13 in stock | $62.28 | Add to cart |
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Clamp Ring Assembly, Pentair PacFab/Sta-Rite, Plastic | 152165 | 37 in stock | $41.34 | Add to cart | |
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Clamp Ring, Praher Top Mount, L Style Flange | 12L-CLP | 26 in stock | $24.08 | Add to cart | |
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Upgrade Kit, Pent Am Prod, High Flow Air Relief Valve | 98209804 | 1 in stock | $80.22 | Add to cart | |
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Air Relief Valve, Pentair American Products | 98209803 | Available to order | $25.90 | ||
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Air Relief, Pent Am Prod/Purex/PacFab, Manual, w/Gauge | 98209800 | 44 in stock | $39.94 | Add to cart | |
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Pressure Gauge, 1/4"mpt, 0-60psi, Bottom Mount, Generic | IPG602-4LNL | 265 in stock | $8.72 | Add to cart |
Complete tools
| Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|
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Tool, Socket, Double-Hex, 9/16 and 7/8, with 1.48well | MT-100 | 11 in stock | $68.45 | Add to cart |
Parts that go with this
| Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|
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Generic PTFE Teflon/Plumbers Thread Seal Tape A05-0265 | A05-0265 | 214 in stock | $1.27 | Add to cart |



















