wv8840b1158
Skip itHigh returns (9.0%) — this niche doesn't clear our bar today.
Quality gap
Incredible3.9★avg incumbent rating — lower means beatable quality
Avg price
Good$104.01avg listing price — sweet spot $15–$100
Conversion
Good5.8%search→purchase rate — share of searches ending in a sale
Brand share
Okay80%top-5 brand share — brands hold most of the demand
Price range
Okay$21.41–$221.46cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Okay66%top-5 click share — leaders hold, buyers still browse
Market size
Okay$137K$137K/yr · 23K searches
Review moat
Okay3,558.71avg incumbent reviews — the moat a new listing must climb
Growth
Bad-19.7%90-day search growth — must beat 0% to launch
Returns
Bad9.0%return rate — above 5% kills the launch gate
According to Flapen's Amazon United States niche tracking, wv8840b1158 is a $137K/yr Amazon United States market (23K searches/yr). The top 5 brands hold 80% of demand. Demand peaks in Jan–Nov. Verdict: Skip it — 40/100.
Data updated Jul 29, 2026 · scored weekly · How we score niches
wv8840b1158 market data
- Units sold / yr
- 750–1K
- avg 0–100/product
- Revenue / yr
- $78K–$104K
- units × avg price
- Conversion rate
- 5.8%
- Avg BSR
- #15,147
- Page quality
- 0%
- Prime
- 35%
- Sponsored
- 53%
- Out of stock
- 9.1%
- Avg brand age
- 50 months
- Avg seller age
- 157 days
Competition & brand share
The top 5 products take 66% of clicks — established leaders, but buyers still shop beyond them.Brands
11 rising
Sellers
91
Top-5 brand share
80%
Top 20: 100%
Top-5 click share
66%
Top 20: 100%
Open market
14%
- ClimaTek38%
- XFParts14%
- Generic12%
- Honeywell9%
- Bali7%
- Advice Appliance Parts6%
- Open — no brand owns it (5 brands, 14%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -19.7% search growth over the last 90 days.Peak months: Jan, Nov · busiest ÷ quietest = 1.7×
Top wv8840b1158 search terms
- wv8840b115814K/yr
- wv8840b1158 gas valve4K/yr
- honeywell wv8840b11584K/yr
Top wv8840b1158 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
WV8840B1158 - OEM Upgraded Water Heater NG Gas Valve Replaces Honeywell - 2 Cavity
ClimaTek$221.114.4★126 rev
Replacement for Honeywell Water Heater Gas Valve WV8840B1158 OEM
XFParts$87.742.9★4 rev
Reliance water heater gas control valve 100112336 trade number WT8840B 160 Degree F 1 Cavity made by Resideo
Honeywell$156.414.4★1,777 rev
Advice Appliance Parts Water Heater Gas Valve Control Board WV8840B1141 WV8840B1110 WV8840B1158 100262939
Advice Appliance Parts$67.244.4★68 rev
WV8840B1158 - OEM Upgraded Water Heater NG Gas Valve Replaces A.O. Smith
ClimaTek$221.464.6★7 rev
Newest
by launch date
fjptjz Water Heater Valve Control WV8840B1158 Major Appliances Replacement Parts
fjptjz$82.951 rev
Replacement for Honeywell Water Heater Gas Valve WV8840B1158 OEM
GENERIC$139.060 rev
Replacement for Honeywell Water Heater Gas Valve WV8840B1158 OEM
Generic$125.480 rev
Bali Womens One Smooth U Ultra Light Illusion Neckline Underwire Bra Black 38C
Bali$21.4142,846 rev
Replacement for Honeywell Water Heater Gas Valve WV8840B1158 OEM # Used
Generic$152.020 rev
Trending
90-day click momentum
Bali womens One Smooth U Smoothing & Concealing Underwire Df3w11 bras White 38C US
Bali$21.774.2★
Replacement for Honeywell Water Heater Gas Valve WV8840B1158 OEM # Used
Generic$152.020.0★
fjptjz Water Heater Valve Control WV8840B1158 Major Appliances Replacement Parts
fjptjz$82.951.0★
Replacement for Honeywell Water Heater Gas Valve WV8840B1158 OEM
Generic$125.480.0★
Underoutfit Perfect Neckline Everyday Wireless Bra - Comfy Womens Without Underwire
Underoutfit$56.144.1★
What buyers say about wv8840b1158
What buyers praise and complain about, mined from review topics.What buyers love
“Exactly as advertised”
“Great price for your water tank cheaper than the hardware”
“This is one of the most comfortable bras I have ever had”
“Been over a year and no complaints”
“water heater is back up and working”
“Perfect fit”
“It was very easy to install”
“Worked perfect”
“Exactly fix”
“Great gas valve”
What buyers complain about
“Trash”
“Faulty item shipped in an envelope so electronic parts may have been damaged”
“Honeywell gas control shuts off on high heat often”
“Hurt to wear”
“just different color”
“didn't work out”
“The band is uncomfortable”
“But also shows this item is returned frequently”
“The closure was quite a bit wider than the band and asymmetric”
“Now, for the first time in many years I have no gas smell at all for the past 30 days”
Top return reasons
Common questions
- Is wv8840b1158 profitable to sell on Amazon United States?
- The niche generates $137K/yr across 17 tracked products. 2 of 8 products launched in the last 360 days are still selling. 90-day search growth is -19.7%. Flapen's verdict: Skip it (40/100).
- How competitive is the wv8840b1158 niche?
- 11 brands and 91 sellers compete. The top 5 products take 66% of clicks and top 5 brands hold 80% of demand.
- What do buyers complain about in wv8840b1158?
- Top complaints mined from reviews: Quality-Overall, Defective Material/Parts, Heating. The return rate is 9.0% — above our launch gate.
- When does demand for wv8840b1158 peak?
- Demand peaks in Jan–Nov; the busiest month runs 1.7× the quietest.
- What does it cost to enter the wv8840b1158 niche?
- Listings span $21.41–$221.46; the average listing price is $104.01 (sweet spot $15–$100). The average incumbent carries 3,559 reviews — the moat a new listing must climb.