dishwasher air gap
Skip itBrand-locked demand (top 5 brands take 96% of clicks) — this niche doesn't clear our bar today.
Conversion
Great7.5%search→purchase rate — share of searches ending in a sale
Avg price
Great$15.78avg listing price — sweet spot $15–$100
Review moat
Good506.65avg incumbent reviews — the moat a new listing must climb
Price range
Okay$7.46–$21.60cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Okay66%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
Bad4.6★avg incumbent rating — lower means beatable quality
Returns
Bad5.7%return rate — above 5% kills the launch gate
Brand share
Bad96%top-5 brand share — brand-locked demand
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
dishwasher air gap market data
- Units sold / yr
- 8K–10K
- avg 500–750/product
- Revenue / yr
- $126K–$158K
- units × avg price
- Conversion rate
- 7.5%
- Avg BSR
- #90
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 100%
- Out of stock
- 0.0%
- Avg brand age
- 65 months
- Avg seller age
- 168 days
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.No pronounced peak months · busiest ÷ quietest = 1.2×
Top dishwasher air gap search terms
- dishwasher air gap33K/yr
- air gap dishwasher24K/yr
- air gap21K/yr
- dishwasher air gap kit17K/yr
- airgap for dishwasher5K/yr
- dishwasher vent3K/yr
- air gap kit3K/yr
- airgap2K/yr
- dishwasher vent kit3K/yr
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.
All 17 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
KRAUS Dishwasher Air Gap in Spot Free All-Brite Stainless Steel KAG-1SFS
Kraus$21.604.8★1,806 rev

Dishwasher Air Gap Cover Dishwasher Air Gap Cap for Kitchen Sink Solid Brass Dishwasher Overflow Vent Cap Replacement Kit Brushed Nickel
ALEASHA$16.474.7★426 rev

Westbrass Plastic Air Gap 2 Pack Polished Chrome D200P-CP-PK
Westbrass$7.464.6★103 rev

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$15.494.6★456 rev

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$17.534.6★456 rev
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
ALEASHA$13.54129 rev

Dishwasher Air Gap Cover Dishwasher Air Gap Cap for Kitchen Sink Solid Brass Dishwasher Overflow Vent Cap Replacement Kit Brushed Stainless Steel
ALEASHA$16.51426 rev

Dishwasher Air Gap Cover Dishwasher Air Gap Cap for Kitchen Sink Solid Brass Dishwasher Overflow Vent Cap Replacement Kit Brushed Gold
ALEASHA$16.39426 rev

Dishwasher Air Gap Cover Dishwasher Air Gap Cap for Kitchen Sink Solid Brass Dishwasher Overflow Vent Cap Replacement Kit Matte Black
ALEASHA$16.53426 rev

Dishwasher Air Gap Cover Dishwasher Air Gap Cap for Kitchen Sink Solid Brass Dishwasher Overflow Vent Cap Replacement Kit Brushed Nickel
ALEASHA$16.47426 rev
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
ALEASHA$16.514.7★

Dishwasher Air Gap Cover for Kitchen Solid Brass Air Gap Cap with Skirted Design Dishwasher Overflow Vent Cap Replacement Only Brushed Nickel
ALEASHA$13.544.8★

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$17.534.6★

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$17.514.6★

Westbrass Plastic Air Gap 2 Pack Polished Chrome D200P-CP-PK
Westbrass$7.464.6★
What buyers say about dishwasher air gap
What buyers praise and complain about, mined from review topics.What buyers love
“Fit perfect”
“Easy Install”
“Exactly what we needed”
“Great quality”
“Reasonable price”
“Looks great”
“Durable and clean”
“Works great”
“There is no leaking”
“Color and durability are what I was looking for”
What buyers complain about
“came back to find water dripping from the pipe”
“Odor”
“This should be clear in the description or photos”
“Over price”
“this won't connect”
“However, not tall enough”
“The water is released below what this supposedly channel is covering”
“However, the product fits very loosely in the 2 pipe”
“Not for thick countertops”
“I dont know if theres any rust inside”
Top return reasons
Common questions
- Is dishwasher air gap profitable to sell on Amazon United States?
- 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).
- How competitive is the dishwasher air gap niche?
- 7 brands and 28 sellers compete. The top 5 products take 66% of clicks and top 5 brands hold 96% of demand.
- What do buyers complain about in dishwasher air gap?
- Top complaints mined from reviews: Leak-Proof, Smell, Advertised Vs Actual Product. The return rate is 5.7% — above our launch gate.
- When does demand for dishwasher air gap peak?
- Demand is steady year-round — the busiest month runs 1.2× the quietest.
- What does it cost to enter the dishwasher air gap niche?
- 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.