gas control valve for water heater
Skip itHigh returns (15.9%) — this niche doesn't clear our bar today.
Review moat
Great195.83avg incumbent reviews — the moat a new listing must climb
Quality gap
Great4.1★avg incumbent rating — lower means beatable quality
Avg price
Good$148.37avg listing price — sweet spot $15–$100
Market size
Good$375K$375K/yr · 104K searches
Competition
Okay56%top-5 click share — leaders hold, buyers still browse
Brand share
Okay85%top-5 brand share — brands hold most of the demand
Conversion
Okay2.4%search→purchase rate — share of searches ending in a sale
Price range
Okay$44.34–$237.05cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Bad-15.2%90-day search growth — must beat 0% to launch
Returns
Bad15.9%return rate — above 5% kills the launch gate
According to Flapen's Amazon United States niche tracking, gas control valve for water heater is a $375K/yr Amazon United States market (104K searches/yr). The top 5 brands hold 85% of demand. Demand peaks in Jan–Nov–Dec. Verdict: Skip it — 42/100.
Data updated Jul 29, 2026 · scored weekly · How we score niches
gas control valve for water heater market data
- Units sold / yr
- 2K–2K
- avg 100–250/product
- Revenue / yr
- $223K–$297K
- units × avg price
- Conversion rate
- 2.4%
- Avg BSR
- #9,937
- Page quality
- 0%
- Prime
- 96%
- Sponsored
- 79%
- Out of stock
- 0.0%
- Avg brand age
- 54 months
- Avg seller age
- 150 days
Competition & brand share
The top 5 products take 56% of clicks — established leaders, but buyers still shop beyond them.Brands
10 flat
Sellers
111
Top-5 brand share
85%
Top 20: 95%
Top-5 click share
56%
Top 20: 95%
Open market
10%
- ClimaTek25%
- Honeywell21%
- Rheem18%
- Reliance15%
- --5%
- Yufull5%
- Open — no brand owns it (4 brands, 10%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -15.2% search growth over the last 90 days.Peak months: Jan, Nov, Dec · busiest ÷ quietest = 1.7×
Top gas control valve for water heater search terms
- gas control valve for water heater15K/yr
- rheem gas control valve11K/yr
- ao smith gas control valve5K/yr
- honeywell gas valve13K/yr
- honeywell water heater gas valve9K/yr
- water heater gas control valve7K/yr
- honeywell water heater control5K/yr
- water heater gas valve7K/yr
- honeywell gas control valve10K/yr
- honeywell water heater thermostat4K/yr
Top gas control valve for water heater 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 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
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

Reliance Water Heater Natural Gas Control Valve 100112336 Thermostat Compatible with A.O. Smith Reliance State and American Branded Water Heaters
Reliance$136.214.0★743 rev

WV8840C1406 - OEM Upgraded Water Heater Natural Gas Valve Fits Rheem
Rheem$224.843.7★97 rev

WT8840B1000 - Upgraded Water Heater Gas Valve Fits Honeywell - for 1 Insulation Tanks
ClimaTek$160.964.2★87 rev

Rheem AP14270G Gas Control Thermostat Natural Gas Gray 12.7X7.5X6.6 inches
Rheem$89.824.3★619 rev
Newest
by launch date
110-326 Gas Water Heater Control Valve Natural Gas Water Heater Thermostat Built-In Non-Circulating Energy Cut-Off (ECO) System Water Heater Replacement Parts with 1-3/8 Shank
Chuuparts$44.345 rev

WT8840B1000 Upgraded Water Heater Gas Standing Pilot Control Valve(OEM) Compatible with Honeywell Resideo etc. Replaceable Part Numbers: WV8840B1042 WV8840B1109 WV8840B1110.
Yufull$174.252 rev

100112336 Water Heater Gas Valve(OEM) Compatible with a.o. smith reliance
Yufull$156.405 rev

110-326 Gas Water Heater Valve Natural Gas Water Heater Thermostat Water Heater Replacement Parts Gas Control Valve with 3.8 Shank 2.2 W.C Copper Probe (Replacement Parts Kit)
WUVYFWN$51.0917 rev

Rheem SP20867C Combination Gas Control Replacement Kit Natural Gas (NG) Water Heater Valve OEM Thermostat & Gas Regulator
Rheem$237.0529 rev
Trending
90-day click momentum
110-326 Gas Water Heater Control Valve w/Copper Probe Thermostat - Metal - Built for Durability & Precision
vrupin$49.153.0★

110-326 Gas Water Heater Control Valve Natural Gas Water Heater Thermostat Built-In Non-Circulating Energy Cut-Off (ECO) System Water Heater Replacement Parts with 1-3/8 Shank
Chuuparts$44.343.9★

WV8840B1118 - OEM Upgraded Water Heater Gas Valve Replaces Resideo Honeywell WV8840B-1118
ClimaTek$229.115.0★

WT8840B1500 - OEM Upgraded Water Heater Gas Valve Replace Resideo Honeywell
ClimaTek$209.235.0★

100112336 Water Heater Gas Valve(OEM) Compatible with a.o. smith reliance
Yufull$156.404.5★
What buyers say about gas control valve for water heater
What buyers praise and complain about, mined from review topics.What buyers love
“Exactly as advertised”
“Cheap for what it is”
“Perfect fit”
“Item was right part”
“Worked perfect”
“I'm super happy with this gas water heater control valve”
“Easy to install”
“We have hot water AGAIN. FIX THE PROBLEM!”
“Great gas valve”
“Exactly fix”
What buyers complain about
“But for whatever reason this thing would not turn on”
“Bad quality control”
“It didn't work, wrong part, defective”
“doesnt last a year”
“the stem is too short to thread in”
“Doesn't look like the picture”
“It wasn't useful the sencer cable that adjust temperature was loos”
“this was a serious problem for my installation”
“Leaks propane all the time”
“the part looked dirty”
Top return reasons
Common questions
- Is gas control valve for water heater profitable to sell on Amazon United States?
- The niche generates $375K/yr across 24 tracked products. 1 of 3 products launched in the last 360 days are still selling. 90-day search growth is -15.2%. Flapen's verdict: Skip it (42/100).
- How competitive is the gas control valve for water heater niche?
- 10 brands and 111 sellers compete. The top 5 products take 56% of clicks and top 5 brands hold 85% of demand.
- What do buyers complain about in gas control valve for water heater?
- Top complaints mined from reviews: Functionality-Overall, Quality-Overall, Defective Material/Parts. The return rate is 15.9% — above our launch gate.
- When does demand for gas control valve for water heater peak?
- Demand peaks in Jan–Nov–Dec; the busiest month runs 1.7× the quietest.
- What does it cost to enter the gas control valve for water heater niche?
- Listings span $44.34–$237.05; the average listing price is $148.37 (sweet spot $15–$100). The average incumbent carries 196 reviews — the moat a new listing must climb.