rheem flammable vapor sensor
Worth a lookShows searches that convert (23.3% search→purchase), but a concentrated shelf (top 5 take 100% of clicks) keeps it on the watch list.
Conversion
Incredible23.3%search→purchase rate — share of searches ending in a sale
Quality gap
Incredible3.5★avg incumbent rating — lower means beatable quality
Price range
Incredible$15.55–$23.92cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Great$19.01avg listing price — sweet spot $15–$100
Growth
Good+58.3%90-day search growth — must beat 0% to launch
Review moat
Good647.6avg incumbent reviews — the moat a new listing must climb
Returns
Good2.5%return rate — above 5% kills the launch gate
Market size
Bad$85K$85K/yr · 19K searches
Competition
Bad100%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, rheem flammable vapor sensor is a $85K/yr Amazon United States market (19K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jun–Jul–Aug. Verdict: Worth a look — 53/100.
Data updated Jul 29, 2026 · scored weekly · How we score niches
rheem flammable vapor sensor market data
- Units sold / yr
- 4K–5K
- avg 500–750/product
- Revenue / yr
- $76K–$95K
- units × avg price
- Conversion rate
- 23.3%
- Avg BSR
- #4,154
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 100%
- Out of stock
- 19.2%
- Avg brand age
- 34 months
- Avg seller age
- 182 days
Competition & brand share
The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.Brands
4 falling
Sellers
29
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
100%
Top 20: 100%
Open market
0%
- Rheem45%
- Holdly39%
- BZWBYFY8%
- KYJIANY8%
Demand & seasonality
Weekly Amazon search volume, last 100 weeks — +58.3% search growth over the last 90 days.Peak months: Jun, Jul, Aug · busiest ÷ quietest = 3.0×
Top rheem flammable vapor sensor search terms
- rheem flammable vapor sensor8K/yr
- flammable vapor sensor5K/yr
- sp201723K/yr
- sp20172 flammable vapor sensor3K/yr
Top rheem flammable vapor 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 5 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Rheem SP20172 Flammable Vapor FV Sensor Kit White 6.7X2.7X9.4 inches
Rheem$23.924.7★3,031 rev
SP20172 Flammable Vapor FV Sensor Kit | AP13447-3 - 25VS | Water Heater Flammable Vapor Sensor Replacement Parts for Rheem Ruud Richmond FVIR Water Heaters
Holdly$17.894.4★173 rev
SP20172 Flammable Vapor Detection Kit Replacement AP13447-3 25VS FVIR Safety Component Compatible with Rheem Ruud & Richmond Gas Water Heaters Includes Cap
KYJIANY$18.133.5★19 rev
SP20172 Water Heater Flammable Vapor Sensor Kit Compatible with Rheem Ruud Richmond and Other FVIR Water Heater Comes with AP13447-3 FV Sensor AP13450-3 Cap Plug
BZWBYFY$15.552.9★13 rev
2026 Upgrade SP20172 Water Heater Flammable Vapor Sensor Kit Compatible with Rheem Ruud Richmond and Other FVIR Water Heater Comes with AP13447-3 FV Sensor AP13450-3 Cap Plug
BZWBYFY$19.552.0★2 rev
Newest
by launch date2026 Upgrade SP20172 Water Heater Flammable Vapor Sensor Kit Compatible with Rheem Ruud Richmond and Other FVIR Water Heater Comes with AP13447-3 FV Sensor AP13450-3 Cap Plug
BZWBYFY$19.552 rev
SP20172 Flammable Vapor Detection Kit Replacement AP13447-3 25VS FVIR Safety Component Compatible with Rheem Ruud & Richmond Gas Water Heaters Includes Cap
KYJIANY$18.1319 rev
SP20172 Water Heater Flammable Vapor Sensor Kit Compatible with Rheem Ruud Richmond and Other FVIR Water Heater Comes with AP13447-3 FV Sensor AP13450-3 Cap Plug
BZWBYFY$15.5513 rev
SP20172 Flammable Vapor FV Sensor Kit | AP13447-3 - 25VS | Water Heater Flammable Vapor Sensor Replacement Parts for Rheem Ruud Richmond FVIR Water Heaters
Holdly$17.89173 rev
Rheem SP20172 Flammable Vapor FV Sensor Kit White 6.7X2.7X9.4 inches
Rheem$23.923,031 rev
Trending
90-day click momentum2026 Upgrade SP20172 Water Heater Flammable Vapor Sensor Kit Compatible with Rheem Ruud Richmond and Other FVIR Water Heater Comes with AP13447-3 FV Sensor AP13450-3 Cap Plug
BZWBYFY$19.552.0★
SP20172 Flammable Vapor Detection Kit Replacement AP13447-3 25VS FVIR Safety Component Compatible with Rheem Ruud & Richmond Gas Water Heaters Includes Cap
KYJIANY$18.133.5★
SP20172 Water Heater Flammable Vapor Sensor Kit Compatible with Rheem Ruud Richmond and Other FVIR Water Heater Comes with AP13447-3 FV Sensor AP13450-3 Cap Plug
BZWBYFY$15.552.9★
SP20172 Flammable Vapor FV Sensor Kit | AP13447-3 - 25VS | Water Heater Flammable Vapor Sensor Replacement Parts for Rheem Ruud Richmond FVIR Water Heaters
Holdly$17.894.4★
Rheem SP20172 Flammable Vapor FV Sensor Kit White 6.7X2.7X9.4 inches
Rheem$23.924.7★
What buyers say about rheem flammable vapor sensor
What buyers praise and complain about, mined from review topics.What buyers love
“As advertised”
“The sensor was so easy to change, works perfect”
“Less than half the cost too”
“It fit perfectly”
“It's easy to replace”
“The parts feel well made”
“Compatible and fit well”
“This one worked great”
“Installing ourselves saved us over $200”
“It works perfect”
What buyers complain about
“Did not work”
“Failed in less than 2 months”
“after market JUNK”
“Poorly engineered component”
“many other sellers have defective products”
“Tested with multimeter - Result: OL”
“This DOES NOT fit the RHEEM water heater”
“Deceptive inaccurate product description - DOES NOT FIT RHEEM”
“Until you replace the sensor, it refuses to light the burner to heat any more water, so this is not something you can ignore and fix later”
“will not allow your control module to work”
Top return reasons
Common questions
- Is rheem flammable vapor sensor profitable to sell on Amazon United States?
- The niche generates $85K/yr across 5 tracked products. 2 of 3 products launched in the last 360 days are still selling. 90-day search growth is +58.3%. Flapen's verdict: Worth a look (53/100).
- How competitive is the rheem flammable vapor sensor niche?
- 4 brands and 29 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in rheem flammable vapor sensor?
- Top complaints mined from reviews: Functionality-Overall, Durability, Quality-Overall. The return rate is 2.5%.
- When does demand for rheem flammable vapor sensor peak?
- Demand peaks in Jun–Jul–Aug; the busiest month runs 3.0× the quietest.
- What does it cost to enter the rheem flammable vapor sensor niche?
- Listings span $15.55–$23.92; the average listing price is $19.01 (sweet spot $15–$100). The average incumbent carries 648 reviews — the moat a new listing must climb.