pentair stack flue sensor
Worth a lookShows a sweet-spot price point ($42.51 avg), but a small market ($78K/yr) keeps it on the watch list.
Avg price
Incredible$42.51avg listing price — sweet spot $15–$100
Conversion
Great11.0%search→purchase rate — share of searches ending in a sale
Review moat
Great185.65avg incumbent reviews — the moat a new listing must climb
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Growth
Good+40.9%90-day search growth — must beat 0% to launch
Price range
Good$11.17–$150.53cheapest to priciest tracked listing — scored on the share inside $15–$100
Returns
Good3.0%return rate — above 5% kills the launch gate
Brand share
Okay81%top-5 brand share — brands hold most of the demand
Competition
Okay69%top-5 click share — leaders hold, buyers still browse
Market size
Bad$78K$78K/yr · 17K searches
According to Flapen's Amazon United States niche tracking, pentair stack flue sensor is a $78K/yr Amazon United States market (17K searches/yr). The top 5 brands hold 81% of demand. Demand peaks in May–Jun. Verdict: Worth a look — 53/100.
Data updated Jul 24, 2026 · scored weekly · How we score niches
pentair stack flue sensor market data
- Units sold / yr
- 2K–3K
- avg 100–250/product
- Revenue / yr
- $85K–$106K
- units × avg price
- Conversion rate
- 11.0%
- Avg BSR
- #624
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 88%
- Out of stock
- 0.0%
- Avg brand age
- 27 months
- Avg seller age
- 185 days
Competition & brand share
The top 5 products take 69% of clicks — established leaders, but buyers still shop beyond them.Brands
12 falling
Sellers
39
Top-5 brand share
81%
Top 20: 100%
Top-5 click share
69%
Top 20: 100%
Open market
14%
- Funmit47%
- GEATaaT12%
- Pentair12%
- Wholesale Sensors6%
- Romalon5%
- Kartio5%
- Open — no brand owns it (6 brands, 14%)
Demand & seasonality
Weekly Amazon search volume, last 94 weeks — +40.9% search growth over the last 90 days.Peak months: May, Jun · busiest ÷ quietest = 2.0×
Top pentair stack flue sensor search terms
- pentair stack flue sensor5K/yr
- pentair mastertemp 400 parts6K/yr
- pentair pool heater parts4K/yr
- 42002-0024s2K/yr
Top pentair stack flue sensor 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
Funmit 42002-0024S Stack Flue Sensor Replacement for Pentair Sta-Rite MasterTemp Max-E-Therm Pool and Spa Heater Electrical System SR200 SR333 SR400
Funmit$15.824.5★511 rev
Pool Heater Repair Kit Includes Stack Flue Sensor Thermistor & Switch for Pentair MasterTemp & Max-E-Therm Pool Heaters Replace# 42002-0024S 42001-0053S 42001-0060S 42002-0025S 42001-0063S
GEATaaT$51.654.2★52 rev
Pentair 42002-0024S Stack Flue Sensor Replacement Pool and Spa Heater Electrical Systems
Pentair$88.704.6★1,005 rev
Funmit 42002-0024S Stack Flue Sensor Replacement for Pentair Spa Heater Elecrical System and Sta-Rite MasterTemp Max-E-Therm Pool
Funmit$12.744.4★152 rev
Romalon 42002-0024S Stack Flue Stack Sensor Temperature Sensor Replacement for Pentair Sta-Rite Master-Temp Max-E-Therm Pool and Spa Heater Electrical Systems (2 Pack)
Romalon$22.514.6★179 rev
Newest
by launch date
LOTMOVE 42002-0007S Control Board Kit Compatible with Pentair MasterTemp Sta-Rite Max-E-Therm Most NA and LP Series Pool and SPA Heater Systems with 472610Z Switch Membrane Pad 1 Year Warranty
LOTMOVE$56.1712 rev
KEYOPO Upgraded 42002-0024S with high-Temperature Wire Model of The Stack Flue Sensor 42002-0024S can Withstand 572 for Pentair Sta-Rite Max-E-Therm Heater Electrical System
KEYOPO$18.9112 rev
RUHUALIFE Stack Flue Sensor Compatible with Pentair Sta-Rite MasterTemp Max-E-Therm Pool & Spa Heater Electrical Systems SR200 SR333 SR400 Temperature Thermistor Replace# 42002-0024S
RUHUALIFE$11.175 rev
Pool Heater Repair Kit Compatible with Pentair Mastertemp Max-E-Therm Include Switch Stack Flue Sensor Thermistor Replace Number 42002-0024S 42001-0053S 42001-0060S 42002-0025S 42001-0063S
Kartio$49.3925 rev
ZAIGANMA Pool Heater Repair Kit 42002-0024S 42001-0063S 42001-0053S Heater Thermistor 42001-0060S 42002-0025S Replacement for Pentair Sta Rite MasterTemp &Max-E-Thermistors Pool Spa Hearter Repair Kit
ZAIGANMA$46.5269 rev
Trending
90-day click momentumRUHUALIFE Stack Flue Sensor Compatible with Pentair Sta-Rite MasterTemp Max-E-Therm Pool & Spa Heater Electrical Systems SR200 SR333 SR400 Temperature Thermistor Replace# 42002-0024S
RUHUALIFE$11.174.8★
KEYOPO Upgraded 42002-0024S with high-Temperature Wire Model of The Stack Flue Sensor 42002-0024S can Withstand 572 for Pentair Sta-Rite Max-E-Therm Heater Electrical System
KEYOPO$18.913.9★
LOTMOVE 42002-0007S Control Board Kit Compatible with Pentair MasterTemp Sta-Rite Max-E-Therm Most NA and LP Series Pool and SPA Heater Systems with 472610Z Switch Membrane Pad 1 Year Warranty
LOTMOVE$56.173.9★
Romalon 42002-0024S Stack Flue Stack Sensor Temperature Sensor Replacement for Pentair Sta-Rite Master-Temp Max-E-Therm Pool and Spa Heater Electrical Systems (2 Pack)
Romalon$22.514.6★
Funmit 42002-0024S Stack Flue Sensor & 42001-0063S High Limit Switch Replacement for Pentair Sta-Rite MasterTemp Max-E-Therm Pool and Spa Heater Electrical System
Funmit$18.334.1★
What buyers say about pentair stack flue sensor
What buyers praise and complain about, mined from review topics.What buyers love
“Easy to install”
“Good value”
“Worked as advertised”
“Exact fit”
“pool heater works fine now”
“Good Quality Replacement Manifold, So Far”
“overall it was a much easier”
“The repair was really simple”
“worked perfectly”
“Its been on for hours without issues”
What buyers complain about
“my jacuzzi is once again heating up”
“durability an issue”
“Bad quality parts”
“I lost $185 due to fraud”
“Product does not work”
“I suspected that water had got into the board as the membrane pad was peeling”
“Not a match to replace the Pentair #42001-0096S”
“Good replacement Parts”
“Didnt fit my unit as stated”
“It was too time consuming to test everything”
Top return reasons
Common questions
- Is pentair stack flue sensor profitable to sell on Amazon United States?
- The niche generates $78K/yr across 17 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +40.9%. Flapen's verdict: Worth a look (53/100).
- How competitive is the pentair stack flue sensor niche?
- 12 brands and 39 sellers compete. The top 5 products take 69% of clicks and top 5 brands hold 81% of demand.
- What do buyers complain about in pentair stack flue sensor?
- Top complaints mined from reviews: Heating, Durability, Quality-Overall. The return rate is 3.0%.
- When does demand for pentair stack flue sensor peak?
- Demand peaks in May–Jun; the busiest month runs 2.0× the quietest.
- What does it cost to enter the pentair stack flue sensor niche?
- Listings span $11.17–$150.53; the average listing price is $42.51 (sweet spot $15–$100). The average incumbent carries 186 reviews — the moat a new listing must climb.