---
title: "Pentair 320 Chlorinator Parts — $110K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/patio-lawn-garden/pentair-320-chlorinator-parts"
last_updated: "2026-08-07T15:17:17.047Z"
locale: en
meta:
  description: "Niche score 74/100 · $110K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 74/100 · $110K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Pentair 320 Chlorinator Parts — $110K/yr Amazon US Niche (2026) - Flapen"
---

# **pentair 320 chlorinator parts**

**Worth a look**

Shows demand growing +119.6% this quarter, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 26Growth 95Conversion 89Competition 77Returns 74Price range 79Avg price 95Brand share 68Review moat 91Quality gap 78

**Growth**

**Incredible****+119.6%**

90-day search growth — must beat 0% to launch

**Avg price**

**Incredible****$26.68**

avg listing price — sweet spot $15–$100

**Review moat**

**Great****183.7**

avg incumbent reviews — the moat a new listing must climb

**Conversion**

**Great****10.5%**

search→purchase rate — share of searches ending in a sale

**Price range**

**Great****$8.63–$115.22**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Quality gap**

**Great****4.3★**

avg incumbent rating — lower means beatable quality

**Competition**

**Great****38%**

top-5 click share — an open shelf

**Returns**

**Good****2.0%**

return rate — above 5% kills the launch gate

**Brand share**

**Good****64%**

top-5 brand share — brands hold most of the demand

**Market size**

**Okay****$110K**

$110K/yr · 39K searches

**Signals**[** Trending**](https://flapen.com/research/niches?market=us&signal=trending "Search growth > 100% (90d)") [** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500")

According to Flapen's Amazon United States niche tracking, pentair 320 chlorinator parts is a $110K/yr Amazon United States market (39K searches/yr). The top 5 brands hold 64% of demand. Demand peaks in May–Jun–Jul–Aug. Verdict: Worth a look — 74/100.

Data updated Jul 24, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **pentair 320 chlorinator parts market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**4K–5K**</dd><dd>avg 0–100/product</dd>

<dt>**Revenue / yr**</dt><dd>**$107K–$133K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**10.5%**</dd>

<dt>**Avg BSR**</dt><dd>**#2,440**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**97%**</dd>

<dt>**Sponsored**</dt><dd>**92%**</dd>

<dt>**Out of stock**</dt><dd>**2.3%**</dd>

<dt>**Avg brand age**</dt><dd>**26 months**</dd>

<dt>**Avg seller age**</dt><dd>**178 days**</dd>

</dl>

## **Competition & brand share**

Clicks spread well past the top 5 (38% combined) — an open shelf where new products get seen.

**Brands**

**22 **▼falling

**Sellers**

**63**

**Top-5 brand share**

**64%**

Top 20: 99%

**Top-5 click share**

**38%**

Top 20: 82%

**Open market**

**30%**

- TERGTIRY27% - Jsyfcfc18% - Pentair7% - RUHUALIFE6% - Pool Ruler6% - Maigoo5%

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — +119.6% search growth over the last 90 days.

2K1KSpike '25Spike '26 seasonSepDecMarJunAugNovMarMay

Peak months: May, Jun, Jul, Aug · busiest ÷ quietest = 5.2×

[**Open Trend **](https://flapen.com/research/us/patio-lawn-garden/pentair-320-chlorinator-parts/trend)

## **Top pentair 320 chlorinator parts search terms**

- **pentair chlorinator parts**10K/yr+113.0%8.4% conv. - **pentair 320 chlorinator parts**9K/yr+122.7%10.7% conv. - **pool chlorinator parts**5K/yr+121.8%3.4% conv. - **pentair 300 chlorinator parts**4K/yr+209.4%11.7% conv. - **pentair model 320 chlorinator parts**5K/yr+91.0%10.8% conv. - **chlorinator parts**4K/yr+122.8%3.9% conv. - **pentair rainbow 320 parts**3K/yr+82.9%10.5% conv. [**All search terms **](https://flapen.com/research/us/patio-lawn-garden/pentair-320-chlorinator-parts/search-terms)

## **Top pentair 320 chlorinator parts products on Amazon**

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%4%$4K8%$9K12%$13K16%$18K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Jsyfcfc Pool Chlorinator Parts (Includes: 1/2 NPT 90-Degree Tube Connector 5/8 OD Tube Tube Support Screen and O-Ring) Compatible with Auto Feeder/Chlorinator 320 and 322](https://m.media-amazon.com/images/I/41QIlMIjkrL.jpg)**Jsyfcfc Pool Chlorinator Parts (Includes: 1/2 NPT 90-Degree Tube Connector 5/8 OD Tube Tube Support Screen and O-Ring) Compatible with Auto Feeder/Chlorinator 320 and 322**Jsyfcfc**$21.44**4.5★80 rev](https://www.amazon.com/dp/B0CX9HGCNX) [2![New Upgraded R172060 1/4-Inch NPT Control Valve Compatible with Model 300 302 300-19 and 300-29 Automatic Chlorine/Bromine Pool and Spa Feeder](https://m.media-amazon.com/images/I/31Xvxbzy97L.jpg)**New Upgraded R172060 1/4-Inch NPT Control Valve Compatible with Model 300 302 300-19 and 300-29 Automatic Chlorine/Bromine Pool and Spa Feeder**TERGTIRY**$19.54**4.2★115 rev](https://www.amazon.com/dp/B0CZDSTGLR) [3![Upgraded R172064 Kit Compatible with Rainbow Off Line Chlorinator Models 300 302 300-19 and 300-29](https://m.media-amazon.com/images/I/41uZ5dxoopL.jpg)**Upgraded R172064 Kit Compatible with Rainbow Off Line Chlorinator Models 300 302 300-19 and 300-29**TERGTIRY**$33.27**4.1★35 rev](https://www.amazon.com/dp/B0D9NZJJ81) [4![Pool Ruler R172009 Chlorine Resistant VITON O-Ring 2 Pack + Lubricant for Pentair Rainbow Chlorinator 300 & 320 Lid](https://m.media-amazon.com/images/I/41Ht96ocncL.jpg)**Pool Ruler R172009 Chlorine Resistant VITON O-Ring 2 Pack + Lubricant for Pentair Rainbow Chlorinator 300 & 320 Lid**Pool Ruler**$10.00**4.6★1,510 rev](https://www.amazon.com/dp/B01MEECR53) [5![Maigoo Pool Chlorinator Parts Compatible with Pentair Rainbow Auto Feeder/Chlorinator Model 320 and 322 with R172272 1/2-inch NPT 90-Degree Tube Connector R172091 5/8 OD Tube R171097 Tube Support](https://m.media-amazon.com/images/I/31e-3Pl8jAL.jpg)**Maigoo Pool Chlorinator Parts Compatible with Pentair Rainbow Auto Feeder/Chlorinator Model 320 and 322 with R172272 1/2-inch NPT 90-Degree Tube Connector R172091 5/8 OD Tube R171097 Tube Support**Maigoo**$19.76**4.0★48 rev](https://www.amazon.com/dp/B0D6VX6G2L)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![RUHUALIFE Pool Chlorinator Parts 1/2 NPT Tube Connector 5/8 OD Tube Screen and O-Rings Compatible with Pentair Rainbow Auto Feeder/Chlorinator 320 322 Replace#: R172272 R172091 R172009 R172255](https://m.media-amazon.com/images/I/415Yf01tW+L.jpg)**RUHUALIFE Pool Chlorinator Parts 1/2 NPT Tube Connector 5/8 OD Tube Screen and O-Rings Compatible with Pentair Rainbow Auto Feeder/Chlorinator 320 322 Replace#: R172272 R172091 R172009 R172255**RUHUALIFE**$26.76**26 rev1y ago](https://www.amazon.com/dp/B0FHGV9579) [![RUHUALIFE Pool Chlorinator Parts 1/2 NPT 90-Degree Tube Connector 5/8 OD Tube Tube Support Compatible with Pentair Rainbow Auto Feeder/Chlorinator Model 320 322 Replace#: R172272 R172091 R172253](https://m.media-amazon.com/images/I/41Jle0TpZTL.jpg)**RUHUALIFE Pool Chlorinator Parts 1/2 NPT 90-Degree Tube Connector 5/8 OD Tube Tube Support Compatible with Pentair Rainbow Auto Feeder/Chlorinator Model 320 322 Replace#: R172272 R172091 R172253**RUHUALIFE**$21.79**20 rev1y ago](https://www.amazon.com/dp/B0FH9V2HM1) [![Jsyfcfc Pool Chlorinator Parts (Includes: R172008W 3 Threaded Cap and R172009 Cap O-Ring*2) Compatible with Auto Feeder/Chlorinator 300 302 300-19 300-29 320 and 322](https://m.media-amazon.com/images/I/31iJCXEBz9L.jpg)**Jsyfcfc Pool Chlorinator Parts (Includes: R172008W 3 Threaded Cap and R172009 Cap O-Ring*2) Compatible with Auto Feeder/Chlorinator 300 302 300-19 300-29 320 and 322**Jsyfcfc**$18.83**20 rev1y ago](https://www.amazon.com/dp/B0F9F8JC4V) [![TERGTIRY R172064 Control Valve Kit Compatible with Rainbow Off Line Chlorinator Models 300 302 300-19 and 300-29](https://m.media-amazon.com/images/I/41Gac1UVI+L.jpg)**TERGTIRY R172064 Control Valve Kit Compatible with Rainbow Off Line Chlorinator Models 300 302 300-19 and 300-29**TERGTIRY**$32.53**26 rev1y ago](https://www.amazon.com/dp/B0F2FD7F86) [![Jsyfcfc Pool Chlorinator Parts (Includes: 1/2 NPT 90-Degree Tube Connector 5/8 OD 18 tube Tube Support O-Ring and Screen) Compatible with Auto Feeder/Chlorinator 320 and 322](https://m.media-amazon.com/images/I/51SkrgWHq3L.jpg)**Jsyfcfc Pool Chlorinator Parts (Includes: 1/2 NPT 90-Degree Tube Connector 5/8 OD 18 tube Tube Support O-Ring and Screen) Compatible with Auto Feeder/Chlorinator 320 and 322**Jsyfcfc**$33.52**7 rev1y ago](https://www.amazon.com/dp/B0DWXWSFKQ)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Combination Check Valve and Elbow Compatible with Pentair R172061 and R172061Z for Automatic Chlorine/Bromine Pool and Spa Feeders (1-Pack)](https://m.media-amazon.com/images/I/21oOC-TArHL.jpg)**Combination Check Valve and Elbow Compatible with Pentair R172061 and R172061Z for Automatic Chlorine/Bromine Pool and Spa Feeders (1-Pack)**AppliaFit**$10.00**4.3★**▲ 130%**](https://www.amazon.com/dp/B0DLKDNPN4) [![Pool Chlorinator Flexible PVC Tubes R172091 fit for Pentair Rainbow 320 Chlorine/Bromine Feeders with R172272 Elbow R171097 Tube Support Fitting Compatible with Pentair 322 Feeder](https://m.media-amazon.com/images/I/41f1xLr5h2L.jpg)**Pool Chlorinator Flexible PVC Tubes R172091 fit for Pentair Rainbow 320 Chlorine/Bromine Feeders with R172272 Elbow R171097 Tube Support Fitting Compatible with Pentair 322 Feeder**Dfnidy**$21.96**4.1★**▲ 104%**](https://www.amazon.com/dp/B0DTF7WBQ5) [![RUHUALIFE Pool Chlorinator Parts 1/2 NPT 90-Degree Tube Connector 5/8 OD Tube Tube Support Compatible with Pentair Rainbow Auto Feeder/Chlorinator Model 320 322 Replace#: R172272 R172091 R172253](https://m.media-amazon.com/images/I/41Jle0TpZTL.jpg)**RUHUALIFE Pool Chlorinator Parts 1/2 NPT 90-Degree Tube Connector 5/8 OD Tube Tube Support Compatible with Pentair Rainbow Auto Feeder/Chlorinator Model 320 322 Replace#: R172272 R172091 R172253**RUHUALIFE**$21.79**4.7★**▲ 58%**](https://www.amazon.com/dp/B0FH9V2HM1) [![New Upgraded R172064 Control Valve Compatible with Model 300 302 300-19 and 300-29 Automatic Chlorine/Bromine Pool and Spa Feeder Black](https://m.media-amazon.com/images/I/41buescwBNL.jpg)**New Upgraded R172064 Control Valve Compatible with Model 300 302 300-19 and 300-29 Automatic Chlorine/Bromine Pool and Spa Feeder Black**TERGTIRY**$33.65**3.3★**▲ 55%**](https://www.amazon.com/dp/B0CZDQYMZR) [![Aquatonics R172255 Screen Replacement Compatible with Pentair Rainbow Automatic Chlorine/Bromine Filters Models 320 & 322 - Heavy Duty Plastic Pool Screen Replacement - for Tablet Feeder](https://m.media-amazon.com/images/I/419G-+rutHL.jpg)**Aquatonics R172255 Screen Replacement Compatible with Pentair Rainbow Automatic Chlorine/Bromine Filters Models 320 & 322 - Heavy Duty Plastic Pool Screen Replacement - for Tablet Feeder**Aquatonics**$11.13**4.7★**▲ 38%**](https://www.amazon.com/dp/B0D3KXJRJ5)

**~~View all trending →~~**

## **What buyers say about pentair 320 chlorinator parts**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Size-Overall**27%

*“Fit perfectly”*

**Advertised Vs Actual Product**17%

*“As advertised”*

**Quality-Overall**16%

*“Excellent product”*

**Assembly/Installation**10%

*“easy to assembly”*

**Value For Money**10%

*“Good value”*

**Leak-Proof**4%

*“Stops the leak”*

**Pureness**1%

*“Worked well as a replacement for our chlorinator”*

**Product Condition**1%

*“All like new now”*

**Maintenance And Repair**1%

*“Great repair kit”*

**Ease Of Use**1%

*“Easy”*

### **What buyers complain about **

**Leak-Proof**21%

*“It leaks”*

**Durability**13%

*“Cheaply made and not as durable as they need to be”*

**Quality-Overall**13%

*“Bad quality”*

**Size-Overall**10%

*“Extremely short tube”*

**Functionality-Overall**5%

*“Didn't work”*

**Thickness**5%

*“Too Thin”*

**Jamming/Clogging**3%

*“clog or not turn off or on”*

**Flexibility**3%

*“Does not bend at all”*

**Value For Money**2%

*“Not worth the money”*

**Strength**2%

*“Very Fragile”*

### **Top return reasons **

**Size-Overall**50%

**Advertised Vs Actual Product**9%

**Defective Material/Parts**9%

**Leak-Proof**8%

**Functionality-Overall**4%

**Value For Money**4%

**Product Condition**3%

**Quality-Overall**2%

**Connectivity-Overall**2%

**Maintenance And Repair**2%

## **Common questions**

<dl>

<dt>**Is pentair 320 chlorinator parts profitable to sell on Amazon United States?**</dt><dd>The niche generates $110K/yr across 37 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is +119.6%. Flapen's verdict: Worth a look (74/100).</dd>

<dt>**How competitive is the pentair 320 chlorinator parts niche?**</dt><dd>22 brands and 63 sellers compete. The top 5 products take 38% of clicks and top 5 brands hold 64% of demand.</dd>

<dt>**What do buyers complain about in pentair 320 chlorinator parts?**</dt><dd>Top complaints mined from reviews: Leak-Proof, Durability, Quality-Overall. The return rate is 2.0%.</dd>

<dt>**When does demand for pentair 320 chlorinator parts peak?**</dt><dd>Demand peaks in May–Jun–Jul–Aug; the busiest month runs 5.2× the quietest.</dd>

<dt>**What does it cost to enter the pentair 320 chlorinator parts niche?**</dt><dd>Listings span $8.63–$115.22; the average listing price is $26.68 (sweet spot $15–$100). The average incumbent carries 184 reviews — the moat a new listing must climb.</dd>

</dl>

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