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55

polaris pb4sq booster pump

Worth a look

Shows beatable incumbent ratings (3.5★), but prices mostly outside the sweet spot ($251.66–$354.82) keeps it on the watch list.

Market size 76Growth 97Conversion 27Competition 3Returns 94Price range 0Avg price 32Brand share 8Review moat 80Quality gap 100

Quality gap

Incredible3.5★

avg incumbent rating — lower means beatable quality

Growth

Incredible+184.5%

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

Returns

Great1.1%

return rate — above 5% kills the launch gate

Review moat

Great409.33

avg incumbent reviews — the moat a new listing must climb

Market size

Great$901K

$901K/yr · 139K searches

Avg price

Okay$293.70

avg listing price — sweet spot $15–$100

Conversion

Okay2.2%

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

Brand share

Bad97%

top-5 brand share — brand-locked demand

Competition

Bad97%

top-5 click share — a locked-up shelf

Price range

Bad$251.66–$354.82

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

According to Flapen's Amazon United States niche tracking, polaris pb4sq booster pump is a $901K/yr Amazon United States market (139K searches/yr). The top 5 brands hold 97% of demand. Demand peaks in May–Jun–Jul. Verdict: Worth a look — 55/100.

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

polaris pb4sq booster pump market data

Units sold / yr
5K–6K
avg 500–750/product
Revenue / yr
$1.5M–$1.8M
units × avg price
Conversion rate
2.2%
Avg BSR
#2,241
Page quality
0%
Prime
100%
Sponsored
100%
Out of stock
0.0%
Avg brand age
39 months
Avg seller age
178 days

Competition & brand share

The top 5 products capture 97% of clicks — a locked-up shelf that new listings rarely crack.

Brands

6 rising

Sellers

24

Top-5 brand share

97%

Top 20: 100%

Top-5 click share

97%

Top 20: 100%

Open market

0%

  • Polaris63%
  • AQUASTRONG20%
  • MARGAR7%
  • Aqualix4%
  • Ytrica4%
  • Drizzlen3%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +184.5% search growth over the last 90 days.
8K6KSpike '25Spike '26SepDecMarJunAugNovMarMay

Peak months: May, Jun, Jul · busiest ÷ quietest = 5.8×

Top polaris pb4sq booster pump search terms

  • polaris pb4-60 booster pump18K/yr
  • polaris booster pump17K/yr
  • pool booster pump17K/yr
  • pb4-60 booster pump13K/yr
  • booster pump for pool cleaner11K/yr
  • pentair booster pump10K/yr
  • polaris booster pump pb4-6010K/yr
  • polaris pool pump8K/yr
  • booster pump for pool7K/yr
  • polaris pb4-608K/yr
All search terms

Top polaris pb4sq booster pump 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%20%$180K40%$360K60%$540K80%$721K1101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 6 tracked products in this niche — three views at once, no toggling.

What buyers say about polaris pb4sq booster pump

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

What buyers love

Assembly/Installation32%

“Ease of installation”

Value For Money15%

“Good value”

Pressure11%

“Water pressure is consistent”

Quality-Overall10%

“Great quality build”

Advertised Vs Actual Product5%

“As advertised”

Spray/Flow4%

“Great power from this pump”

Size-Overall3%

“fit was correct”

Ease Of Cleaning2%

“runs the pool cleaner with ease”

Instructions/User Manual/Troubleshooting2%

“simple to follow instructions for the novice”

Strength2%

“good powerful pump”

What buyers complain about

Leak-Proof27%

“Both of them were leaking”

Durability25%

“Broke after 2 months”

Assembly/Installation8%

“I can only assume the assembly was bad”

Functionality-Overall5%

“it wont even click much less turn on”

Value For Money4%

“have to shell out another 300 bucks”

Advertised Vs Actual Product4%

“Advertised as Polaris PB4-60, It is equivalent, but not a Polaris!”

Quality-Overall3%

“Cheap piece of junk”

Size-Overall3%

“none fit smoothly”

Motor Issues3%

“Hole in side of motor is metric not 1\2 inch like all pumps I've installed had to drill it out”

Pressure2%

“My pressure-side pool cleaner had started losing performance”

Top return reasons

Defective Material/Parts17%
Motor Issues16%
Leak-Proof12%
Value For Money7%
Advertised Vs Actual Product7%
Functionality-Overall7%
Durability5%
Size-Overall5%
Heating4%
Maintenance And Repair3%

Common questions

Is polaris pb4sq booster pump profitable to sell on Amazon United States?
The niche generates $901K/yr across 6 tracked products. 3 of 4 products launched in the last 360 days are still selling. 90-day search growth is +184.5%. Flapen's verdict: Worth a look (55/100).
How competitive is the polaris pb4sq booster pump niche?
6 brands and 24 sellers compete. The top 5 products take 97% of clicks and top 5 brands hold 97% of demand.
What do buyers complain about in polaris pb4sq booster pump?
Top complaints mined from reviews: Leak-Proof, Durability, Assembly/Installation. The return rate is 1.1%.
When does demand for polaris pb4sq booster pump peak?
Demand peaks in May–Jun–Jul; the busiest month runs 5.8× the quietest.
What does it cost to enter the polaris pb4sq booster pump niche?
Listings span $251.66–$354.82; the average listing price is $293.70 (sweet spot $15–$100). The average incumbent carries 409 reviews — the moat a new listing must climb.