Is pool auto fill float valve profitable to sell on Amazon United States?

The niche generates $147K/yr across 21 tracked products. 5 of 6 products launched in the last 360 days are still selling. 90-day search growth is +45.5%. Flapen's verdict: Worth a look (61/100).

How competitive is the pool auto fill float valve niche?

20 brands and 90 sellers compete. The top 5 products take 64% of clicks and top 5 brands hold 64% of demand.

What do buyers complain about in pool auto fill float valve?

Top complaints mined from reviews: Leak-Proof, Durability, Functionality-Overall. The return rate is 2.6%.

When does demand for pool auto fill float valve peak?

Demand peaks in May–Jun–Jul; the busiest month runs 2.7× the quietest.

What does it cost to enter the pool auto fill float valve niche?

Listings span $9.74–$88.46; the average listing price is $36.67 (sweet spot $15–$100). The average incumbent carries 448 reviews — the moat a new listing must climb.

pool auto fill float valve

Worth a look

Shows a sweet-spot price point ($36.67 avg), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Avg price

Incredible$36.67

avg listing price — sweet spot $15–$100

Price range

Great$9.74–$88.46

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

Quality gap

Great4.2★

avg incumbent rating — lower means beatable quality

Review moat

Great448.43

avg incumbent reviews — the moat a new listing must climb

Conversion

Good6.5%

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

Brand share

Good64%

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

Growth

Good+45.5%

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

Returns

Good2.6%

return rate — above 5% kills the launch gate

Competition

Okay64%

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

Market size

Okay$147K

$147K/yr · 62K searches

Signals No Dominant Brand

According to Flapen's Amazon United States niche tracking, pool auto fill float valve is a $147K/yr Amazon United States market (62K searches/yr). The top 5 brands hold 64% of demand. Demand peaks in May–Jun–Jul. Verdict: Worth a look — 61/100.

Data updated Jul 24, 2026 · scored weekly · How we score niches

pool auto fill float valve market data

Units sold / yr: 4K–5K; avg 100–250/product
Revenue / yr: $147K–$183K; units × avg price
Conversion rate: 6.5%
Avg BSR: #1,072
Page quality: 0%
Prime: 90%
Sponsored: 71%
Out of stock: 6.3%
Avg brand age: 50 months
Avg seller age: 175 days

Competition & brand share

The top 5 products take 64% of clicks — established leaders, but buyers still shop beyond them.

Brands

20 rising

Sellers

Top-5 brand share

64%

Top 20: 100%

Top-5 click share

64%

Top 20: 99%

Open market

31%

Xmnbl18%
Aquatonics16%
Swimables15%
Float-Tec & Control Devices10%
shawmin5%
Fill-O-Matic5%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +45.5% search growth over the last 90 days.

Peak months: May, Jun, Jul · busiest ÷ quietest = 2.7×

Open Trend

Top pool auto fill float valve search terms

pool auto fill float valve21K/yr +33.5%6.5% conv.
pool filler float valve13K/yr +61.3%7.0% conv.
pool float valve6K/yr +39.0%4.9% conv.
pool auto fill valve5K/yr +62.8%3.7% conv.
pool autofill float valve5K/yr +73.1%6.8% conv.
pool fill valve4K/yr +72.9%3.4% conv.
3/8 float valve4K/yr -1.9%4.2% conv.
pool water level float3K/yr +65.9%4.4% conv.

All search terms

Top pool auto fill float valve 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.

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

All 21 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

2026 Upgrade Automatic Pool Filler Pool Water Leveler Auto Fill Pool Auto Fill Float Valve Water Leveler Control Sentry Swimming Pool Spa Pond Water Leveler filler automatic 5 Years Warranty

Xmnbl$45.984.0★792 rev

3/8 Water Float Valve Heavy-Duty 125 PSI Water Level Controller - Easy Wingnut Adjustment Float Valve Adjustable Flow (2.25 GPM) for In-Ground Pools & Auto-Fill Systems

Aquatonics$29.684.4★98 rev

Swimables 3/8 and 1/2 Pool Auto Fill Float Valve Replacement | Includes Adapter From 3/8 Inch to 1/2 Inch | Compatible with Most Water Float Valve For Water Tank and Pool Water Leveler Auto Fill

Swimables$16.774.3★47 rev

Float Tec Control Devices T26 EZ Adjustment Brass Float Valve 3/8 NPT Male Threads 3 Arm Autofill Water Filler Leveler Pools Spas Water Tanks Water Foutain Fit 6 Canister

Float-Tec & Control Devices$40.754.3★553 rev

Pool Auto Fill Float Valve 3/8 Brass Water Level Valve for Pool & Pond

shawmin$17.604.2★19 rev

Newest

by launch date

JANWISOL Pool Auto Filler

JANWISOL$46.5319 rev

3mo ago

NAMEFOR Pool Water Leveler Automatic Pool Filler Float Valve Pool Sentry

NAMEFOR$50.075 rev

4mo ago

Ereto Automatic Pool Filler - Universal Pool Water Leveler Auto Fill with Adjustable Float Valve for In-Ground & Above Ground Pools Ponds Spas (Gray)

Ereto$28.0943 rev

5mo ago

NAMEFOR Metal Automatic Pool Filler Water Leveler Anti-Corrosion Coating 29 Inch Adjustable Float Valve Easy Install Fits Inground & Above-Ground Pools Garden Ponds

NAMEFOR$61.5014 rev

5mo ago

Pool Auto Fill Float Valve 3/8 Brass Water Level Valve for Pool & Pond

shawmin$17.6019 rev

6mo ago

What buyers say about pool auto fill float valve

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

What buyers love

Assembly/Installation18%

“Easy install”

Quality-Overall14%

“The product is top notch”

Advertised Vs Actual Product12%

“As advertised”

Ease Of Use7%

“is easily removeable as well”

Value For Money6%

“Good value”

Durability5%

“It is reliable so far”

Design-Overall4%

“Good construction”

Leak-Proof3%

“no drips at all”

Size-Overall3%

“Good fit”

Efficiency3%

“Works well on spa pump”

What buyers complain about

Leak-Proof13%

“it was leaking”

Durability12%

“Won't last”

Functionality-Overall9%

“Doesnt work like its supposed to function”

Assembly/Installation6%

“Difficult to assemble”

Quality-Overall5%

“Garbage”

Material Quality4%

“Cheap Materials”

Value For Money4%

“I get that it isn't cheap”

Water Resistance3%

“floods the pool”

Ease Of Use3%

“doesnt feel as convenient as expected”

Jamming/Clogging2%

“mine got stuck open twice”

Top return reasons

Size-Overall43%

Leak-Proof11%

Functionality-Overall10%

Advertised Vs Actual Product6%

Defective Material/Parts6%

Water Resistance4%

Quality-Overall2%

Value For Money2%

Adjustability/Rotatability/Reclining2%

Product Condition2%

Common questions

Is pool auto fill float valve profitable to sell on Amazon United States?: The niche generates $147K/yr across 21 tracked products. 5 of 6 products launched in the last 360 days are still selling. 90-day search growth is +45.5%. Flapen's verdict: Worth a look (61/100).
How competitive is the pool auto fill float valve niche?: 20 brands and 90 sellers compete. The top 5 products take 64% of clicks and top 5 brands hold 64% of demand.
What do buyers complain about in pool auto fill float valve?: Top complaints mined from reviews: Leak-Proof, Durability, Functionality-Overall. The return rate is 2.6%.
When does demand for pool auto fill float valve peak?: Demand peaks in May–Jun–Jul; the busiest month runs 2.7× the quietest.
What does it cost to enter the pool auto fill float valve niche?: Listings span $9.74–$88.46; the average listing price is $36.67 (sweet spot $15–$100). The average incumbent carries 448 reviews — the moat a new listing must climb.