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53

pentair mastertemp 400 control board

Worth a look

Shows a thin review moat (22 avg reviews), but high returns (7.7%) keeps it on the watch list.

Market size 26Growth 55Conversion 66Competition 44Returns 15Price range 15Avg price 80Brand share 69Review moat 99Quality gap 95

Review moat

Incredible21.9

avg incumbent reviews — the moat a new listing must climb

Quality gap

Incredible4.0★

avg incumbent rating — lower means beatable quality

Avg price

Great$85.47

avg listing price — sweet spot $15–$100

Brand share

Good64%

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

Conversion

Good5.9%

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

Growth

Good+28.3%

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

Competition

Okay58%

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

Market size

Okay$107K

$107K/yr · 21K searches

Returns

Bad7.7%

return rate — above 5% kills the launch gate

Price range

Bad$37.02–$447.44

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

According to Flapen's Amazon United States niche tracking, pentair mastertemp 400 control board is a $107K/yr Amazon United States market (21K searches/yr). The top 5 brands hold 64% of demand. Demand peaks in May. Verdict: Worth a look — 53/100.

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

pentair mastertemp 400 control board market data

Units sold / yr
2K–3K
avg 0–100/product
Revenue / yr
$171K–$214K
units × avg price
Conversion rate
5.9%
Avg BSR
#1,295
Page quality
0%
Prime
95%
Sponsored
86%
Out of stock
14.4%
Avg brand age
17 months
Avg seller age
172 days

Competition & brand share

The top 5 products take 58% of clicks — established leaders, but buyers still shop beyond them.

Brands

15 flat

Sellers

38

Top-5 brand share

64%

Top 20: 100%

Top-5 click share

58%

Top 20: 99%

Open market

29%

  • Primeco24%
  • ROBOA14%
  • Generic11%
  • VigiFront8%
  • FANXIN7%
  • Kartio7%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +28.3% search growth over the last 90 days.
700500Spike '24Holiday '24Spike '25Black Friday '25Holiday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: May · busiest ÷ quietest = 1.7×

Top pentair mastertemp 400 control board search terms

  • pentair mastertemp 400 control board10K/yr
  • mastertemp 400 control board5K/yr
  • 42002-0007s4K/yr
  • pentair heater control board3K/yr
All search terms

Top pentair mastertemp 400 control board 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%$11K20%$21K30%$32K40%$43K110100 Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

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

What buyers say about pentair mastertemp 400 control board

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

What buyers love

Assembly/Installation17%

“Easy to install”

Size-Overall12%

“Fit perfect”

Value For Money10%

“this board is an excellent value”

Heating9%

“It quickly restored full heating functionality”

Quality-Overall7%

“Reliable & Great Replacement Kit”

Ease Of Use7%

“Easy”

Touch/Button Controls6%

“The buttons have a nice tactile click to them”

Advertised Vs Actual Product5%

“Worked as advertised”

Functionality-Overall4%

“just follow the way the previous membrane attached to the control board it will work flawlessly”

Maintenance And Repair2%

“Quick easy economical fix for a DIYer to save and get back up and running”

What buyers complain about

Durability23%

“Last only a few months and failed”

Heating15%

“the heater will not work properly”

Value For Money9%

“A waste of money”

Quality-Overall7%

“Cheap product”

Functionality-Overall7%

“Came in not working”

Assembly/Installation4%

“It took a little time swapping everything over carefully”

Flammable3%

“smoke started coming off two of the chips on the back”

Instructions/User Manual/Troubleshooting3%

“New instructions missing”

Mounting3%

“Pins on new motherboard do not fit with clip on existing wire and harness”

Water Resistance3%

“I suspected that water had got into the board as the membrane pad was peeling”

Top return reasons

Functionality-Overall26%
Defective Material/Parts19%
Heating9%
Advertised Vs Actual Product9%
Size-Overall8%
Touch/Button Controls6%
Connectivity-Overall5%
Durability3%
Socket/Port/Plug3%
Assembly/Installation3%

Common questions

Is pentair mastertemp 400 control board profitable to sell on Amazon United States?
The niche generates $107K/yr across 21 tracked products. 4 of 7 products launched in the last 360 days are still selling. 90-day search growth is +28.3%. Flapen's verdict: Worth a look (53/100).
How competitive is the pentair mastertemp 400 control board niche?
15 brands and 38 sellers compete. The top 5 products take 58% of clicks and top 5 brands hold 64% of demand.
What do buyers complain about in pentair mastertemp 400 control board?
Top complaints mined from reviews: Durability, Heating, Value For Money. The return rate is 7.7% — above our launch gate.
When does demand for pentair mastertemp 400 control board peak?
Demand peaks in May; the busiest month runs 1.7× the quietest.
What does it cost to enter the pentair mastertemp 400 control board niche?
Listings span $37.02–$447.44; the average listing price is $85.47 (sweet spot $15–$100). The average incumbent carries 22 reviews — the moat a new listing must climb.