---
title: "Dishwasher Air Gap — $132K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/dishwasher-air-gap"
last_updated: "2026-08-08T23:37:28.612Z"
locale: en
meta:
  description: "Niche score 37/100 · $132K/yr market · 112K searches/yr · $15.78 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 37/100 · $132K/yr market · 112K searches/yr · $15.78 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Dishwasher Air Gap — $132K/yr Amazon US Niche (2026) - Flapen"
---

# **dishwasher air gap**

**Skip it**

Brand-locked demand (top 5 brands take 96% of clicks) — this niche doesn't clear our bar today.

Market size 30Growth 30Conversion 77Competition 32Returns 23Price range 47Avg price 77Brand share 11Review moat 75Quality gap 23

**Conversion**

**Great****7.5%**

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

**Avg price**

**Great****$15.78**

avg listing price — sweet spot $15–$100

**Review moat**

**Good****506.65**

avg incumbent reviews — the moat a new listing must climb

**Price range**

**Okay****$7.46–$21.60**

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

**Competition**

**Okay****66%**

top-5 click share — leaders hold, buyers still browse

**Market size**

**Okay****$132K**

$132K/yr · 112K searches

**Growth**

**Okay****+3.7%**

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

**Quality gap**

**Bad****4.6★**

avg incumbent rating — lower means beatable quality

**Returns**

**Bad****5.7%**

return rate — above 5% kills the launch gate

**Brand share**

**Bad****96%**

top-5 brand share — brand-locked demand

**Signals**[** High Returns**](https://flapen.com/research/niches?market=us&signal=high_returns "Return rate > 5%")

According to Flapen's Amazon United States niche tracking, dishwasher air gap is a $132K/yr Amazon United States market (112K searches/yr). The top 5 brands hold 96% of demand. Verdict: Skip it — 37/100.

Data updated Jul 28, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **dishwasher air gap market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**8K–10K**</dd><dd>avg 500–750/product</dd>

<dt>**Revenue / yr**</dt><dd>**$126K–$158K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**7.5%**</dd>

<dt>**Avg BSR**</dt><dd>**#90**</dd>

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

<dt>**Prime**</dt><dd>**100%**</dd>

<dt>**Sponsored**</dt><dd>**100%**</dd>

<dt>**Out of stock**</dt><dd>**0.0%**</dd>

<dt>**Avg brand age**</dt><dd>**65 months**</dd>

<dt>**Avg seller age**</dt><dd>**168 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products take 66% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**7 **▼falling

**Sellers**

**28**

**Top-5 brand share**

**96%**

Top 20: 100%

**Top-5 click share**

**66%**

Top 20: 100%

**Open market**

**1%**

- Kraus31% - ALEASHA28% - PetrelWing19% - Westbrass15% - NLDSDSPH3% - Olympia3% - Open — no brand owns it (1 brand, 1%)

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — +3.7% search growth over the last 90 days.

3K2KPrime Day '25 seasonSepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.2×

[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/dishwasher-air-gap/trend)

## **Top dishwasher air gap search terms**

- **dishwasher air gap**33K/yr+8.7%5.5% conv. - **air gap dishwasher**24K/yr+13.4%6.6% conv. - **air gap**21K/yr+2.3%5.0% conv. - **dishwasher air gap kit**17K/yr-1.3%6.7% conv. - **airgap for dishwasher**5K/yr+0.0%7.8% conv. - **dishwasher vent**3K/yr-8.7%7.3% conv. - **air gap kit**3K/yr-29.1%4.4% conv. - **airgap**2K/yr+15.7%6.4% conv. - **dishwasher vent kit**3K/yr-30.0%7.8% conv. [**All search terms **](https://flapen.com/research/us/tools-home-improvement/dishwasher-air-gap/search-terms)

## **Top dishwasher air gap 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%10%$13K20%$26K30%$39K40%$53K1001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

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

All 17 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![KRAUS Dishwasher Air Gap in Spot Free All-Brite Stainless Steel KAG-1SFS](https://m.media-amazon.com/images/I/41EEAF08TsL.jpg)**KRAUS Dishwasher Air Gap in Spot Free All-Brite Stainless Steel KAG-1SFS**Kraus**$21.60**4.8★1,806 rev](https://www.amazon.com/dp/B08DG6YS42) [2![Dishwasher Air Gap Cover Dishwasher Air Gap Cap for Kitchen Sink Solid Brass Dishwasher Overflow Vent Cap Replacement Kit Brushed Nickel](https://m.media-amazon.com/images/I/31MmlH26iDL.jpg)**Dishwasher Air Gap Cover Dishwasher Air Gap Cap for Kitchen Sink Solid Brass Dishwasher Overflow Vent Cap Replacement Kit Brushed Nickel**ALEASHA**$16.47**4.7★426 rev](https://www.amazon.com/dp/B0DHFLDV3N) [3![Westbrass Plastic Air Gap 2 Pack Polished Chrome D200P-CP-PK](https://m.media-amazon.com/images/I/31ew2lMUjrL.jpg)**Westbrass Plastic Air Gap 2 Pack Polished Chrome D200P-CP-PK**Westbrass**$7.46**4.6★103 rev](https://www.amazon.com/dp/B0778JGLG7) [4![Dishwasher Air Gap Kits with Dishwasher Air Gap Cover and Matching Escutcheon Replacement air gap dishwasher Solid Brass Air Gap Cap Polished Chrome Finish](https://m.media-amazon.com/images/I/31tbh0x+jlL.jpg)**Dishwasher Air Gap Kits with Dishwasher Air Gap Cover and Matching Escutcheon Replacement air gap dishwasher Solid Brass Air Gap Cap Polished Chrome Finish**PetrelWing**$15.49**4.6★456 rev](https://www.amazon.com/dp/B0B1DTH64M) [5![Dishwasher Air Gap Kits with Stainless Steel Dishwasher Air Gap Cover and Matching Escutcheon Replacement air gap dishwasher Solid Brass Air Gap Cap Stainless Steel Finish](https://m.media-amazon.com/images/I/31WbgLI2DzL.jpg)**Dishwasher Air Gap Kits with Stainless Steel Dishwasher Air Gap Cover and Matching Escutcheon Replacement air gap dishwasher Solid Brass Air Gap Cap Stainless Steel Finish**PetrelWing**$17.53**4.6★456 rev](https://www.amazon.com/dp/B0B1DXCKHS)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Dishwasher Air Gap Cover for Kitchen Solid Brass Air Gap Cap with Skirted Design Dishwasher Overflow Vent Cap Replacement Only Brushed Nickel](https://m.media-amazon.com/images/I/31nrT9YIeIL.jpg)**Dishwasher Air Gap Cover for Kitchen Solid Brass Air Gap Cap with Skirted Design Dishwasher Overflow Vent Cap Replacement Only Brushed Nickel**ALEASHA**$13.54**129 rev8mo ago](https://www.amazon.com/dp/B0G2LMRN6J) [![Dishwasher Air Gap Cover Dishwasher Air Gap Cap for Kitchen Sink Solid Brass Dishwasher Overflow Vent Cap Replacement Kit Brushed Stainless Steel](https://m.media-amazon.com/images/I/31mGH49MDYL.jpg)**Dishwasher Air Gap Cover Dishwasher Air Gap Cap for Kitchen Sink Solid Brass Dishwasher Overflow Vent Cap Replacement Kit Brushed Stainless Steel**ALEASHA**$16.51**426 rev1y ago](https://www.amazon.com/dp/B0FDGDW91B) [![Dishwasher Air Gap Cover Dishwasher Air Gap Cap for Kitchen Sink Solid Brass Dishwasher Overflow Vent Cap Replacement Kit Brushed Gold](https://m.media-amazon.com/images/I/41HjGYDza9L.jpg)**Dishwasher Air Gap Cover Dishwasher Air Gap Cap for Kitchen Sink Solid Brass Dishwasher Overflow Vent Cap Replacement Kit Brushed Gold**ALEASHA**$16.39**426 rev1y ago](https://www.amazon.com/dp/B0DNPJZ6Y6) [![Dishwasher Air Gap Cover Dishwasher Air Gap Cap for Kitchen Sink Solid Brass Dishwasher Overflow Vent Cap Replacement Kit Matte Black](https://m.media-amazon.com/images/I/31pkyccy1RL.jpg)**Dishwasher Air Gap Cover Dishwasher Air Gap Cap for Kitchen Sink Solid Brass Dishwasher Overflow Vent Cap Replacement Kit Matte Black**ALEASHA**$16.53**426 rev1y ago](https://www.amazon.com/dp/B0DNQ2HLBK) [![Dishwasher Air Gap Cover Dishwasher Air Gap Cap for Kitchen Sink Solid Brass Dishwasher Overflow Vent Cap Replacement Kit Brushed Nickel](https://m.media-amazon.com/images/I/31MmlH26iDL.jpg)**Dishwasher Air Gap Cover Dishwasher Air Gap Cap for Kitchen Sink Solid Brass Dishwasher Overflow Vent Cap Replacement Kit Brushed Nickel**ALEASHA**$16.47**426 rev1y ago](https://www.amazon.com/dp/B0DHFLDV3N)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Dishwasher Air Gap Cover Dishwasher Air Gap Cap for Kitchen Sink Solid Brass Dishwasher Overflow Vent Cap Replacement Kit Brushed Stainless Steel](https://m.media-amazon.com/images/I/31mGH49MDYL.jpg)**Dishwasher Air Gap Cover Dishwasher Air Gap Cap for Kitchen Sink Solid Brass Dishwasher Overflow Vent Cap Replacement Kit Brushed Stainless Steel**ALEASHA**$16.51**4.7★**▲ 69%**](https://www.amazon.com/dp/B0FDGDW91B) [![Dishwasher Air Gap Cover for Kitchen Solid Brass Air Gap Cap with Skirted Design Dishwasher Overflow Vent Cap Replacement Only Brushed Nickel](https://m.media-amazon.com/images/I/31nrT9YIeIL.jpg)**Dishwasher Air Gap Cover for Kitchen Solid Brass Air Gap Cap with Skirted Design Dishwasher Overflow Vent Cap Replacement Only Brushed Nickel**ALEASHA**$13.54**4.8★**▲ 68%**](https://www.amazon.com/dp/B0G2LMRN6J) [![Dishwasher Air Gap Kits with Stainless Steel Dishwasher Air Gap Cover and Matching Escutcheon Replacement air gap dishwasher Solid Brass Air Gap Cap Stainless Steel Finish](https://m.media-amazon.com/images/I/31WbgLI2DzL.jpg)**Dishwasher Air Gap Kits with Stainless Steel Dishwasher Air Gap Cover and Matching Escutcheon Replacement air gap dishwasher Solid Brass Air Gap Cap Stainless Steel Finish**PetrelWing**$17.53**4.6★**▲ 62%**](https://www.amazon.com/dp/B0B1DXCKHS) [![Dishwasher Air Gap Kits with Satin Nickel Dishwasher Air Gap Cover and Matching Escutcheon Replacement air gap dishwasher Solid Brass Air Gap Cap Satin Nickel Finish](https://m.media-amazon.com/images/I/31d7f1C9FEL.jpg)**Dishwasher Air Gap Kits with Satin Nickel Dishwasher Air Gap Cover and Matching Escutcheon Replacement air gap dishwasher Solid Brass Air Gap Cap Satin Nickel Finish**PetrelWing**$17.51**4.6★**▲ 45%**](https://www.amazon.com/dp/B0B1DWC2WT) [![Westbrass Plastic Air Gap 2 Pack Polished Chrome D200P-CP-PK](https://m.media-amazon.com/images/I/31ew2lMUjrL.jpg)**Westbrass Plastic Air Gap 2 Pack Polished Chrome D200P-CP-PK**Westbrass**$7.46**4.6★**▲ 13%**](https://www.amazon.com/dp/B0778JGLG7)

**~~View all trending →~~**

## **What buyers say about dishwasher air gap**

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

### **What buyers love **

**Size-Overall**23%

*“Fit perfect”*

**Assembly/Installation**12%

*“Easy Install”*

**Advertised Vs Actual Product**11%

*“Exactly what we needed”*

**Quality-Overall**10%

*“Great quality”*

**Value For Money**8%

*“Reasonable price”*

**Design-Overall**6%

*“Looks great”*

**Durability**4%

*“Durable and clean”*

**Efficiency**4%

*“Works great”*

**Leak-Proof**3%

*“There is no leaking”*

**Color**2%

*“Color and durability are what I was looking for”*

### **What buyers complain about **

**Leak-Proof**18%

*“came back to find water dripping from the pipe”*

**Smell**5%

*“Odor”*

**Advertised Vs Actual Product**5%

*“This should be clear in the description or photos”*

**Value For Money**5%

*“Over price”*

**Connectivity-Overall**5%

*“this won't connect”*

**Height**5%

*“However, not tall enough”*

**Water Resistance**5%

*“The water is released below what this supposedly channel is covering”*

**Size-Overall**4%

*“However, the product fits very loosely in the 2 pipe”*

**Thickness**3%

*“Not for thick countertops”*

**Rusts/Corrodes**3%

*“I dont know if theres any rust inside”*

### **Top return reasons **

**Size-Overall**38%

**Color**28%

**Advertised Vs Actual Product**7%

**Value For Money**6%

**Compatibility-Overall**5%

**Functionality-Overall**3%

**Defective Material/Parts**2%

**Assembly/Installation**2%

**Product Condition**2%

**Material Quality**1%

## **Common questions**

<dl>

<dt>**Is dishwasher air gap profitable to sell on Amazon United States?**</dt><dd>The niche generates $132K/yr across 17 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +3.7%. Flapen's verdict: Skip it (37/100).</dd>

<dt>**How competitive is the dishwasher air gap niche?**</dt><dd>7 brands and 28 sellers compete. The top 5 products take 66% of clicks and top 5 brands hold 96% of demand.</dd>

<dt>**What do buyers complain about in dishwasher air gap?**</dt><dd>Top complaints mined from reviews: Leak-Proof, Smell, Advertised Vs Actual Product. The return rate is 5.7% — above our launch gate.</dd>

<dt>**When does demand for dishwasher air gap peak?**</dt><dd>Demand is steady year-round — the busiest month runs 1.2× the quietest.</dd>

<dt>**What does it cost to enter the dishwasher air gap niche?**</dt><dd>Listings span $7.46–$21.60; the average listing price is $15.78 (sweet spot $15–$100). The average incumbent carries 507 reviews — the moat a new listing must climb.</dd>

</dl>

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