propane tank valve
Skip itSoft demand (-36.2% this quarter) — this niche doesn't clear our bar today.
Avg price
Incredible$22.88avg listing price — sweet spot $15–$100
Returns
Great1.4%return rate — above 6% kills the launch gate
Price range
Great$8.53–$62.43cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Okay1,543.4avg incumbent reviews — the moat a new listing must climb
Brand share
Okay79%top-5 brand share — brands hold most of the demand
Competition
Okay61%top-5 click share — leaders hold, buyers still browse
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Conversion
Okay2.4%search→purchase rate — share of searches ending in a sale
Market size
Bad$41K$41K/yr · 75K searches
Growth
Bad-36.2%90-day search growth — must beat 0% to launch
Competition
The top 5 products take 61% of clicks — established leaders, but buyers still shop beyond them.Brands
14 falling
Sellers
39
Top-5 brand share
79%
Open market
16%
- Flame King38%
- BBQHKCX17%
- YFLWGFDA11%
- ICS Industries7%
- Nashfuel5%
- DOZYANT5%
- Open — no brand owns it (8 brands, 16%)
Product shelf
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 20 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Flame King VOPD30 30-Pound Propane Tank Cylinder OPD (Overfill Protection Device) Valve
Flame King$26.394.7★104 rev
Flame King OPD Propane Tank Service Overfill Protection Valve for Standard 20 LB Pound Grill Cylinder
Flame King$21.084.4★101 rev
Propane Tank Valve 100LB Propane Vapor Tank Service Valve Coupler Tank Service Valve with Automatic Bleeder Valve/POL Connection/3/4 Male NPT/Heavy Handle for Grill RV Fryer Outdoor Propane Setups.
BBQHKCX$28.055.0★5 rev
Propane Valve 100LB Propane Vapor Tank Service Valve Coupler with Manual & Automatic Bleeder Valve POL Connection Heavy Handle 10.2 Dip TubeFits for Grill Heater RV Fryer Outdoor Propane Setups.
BBQHKCX$30.174.9★12 rev
Propane Adapter 100LB Propane Vapor Tank Service Valve Coupler with Manual Bleeder Valve POL Connection Heavy Handle & 10.2 Dip TubeFits for Grills Heaters RVs Fryers & Outdoor Propane Setups.
YFLWGFDA$34.034.4★36 rev
Newest
by launch datePropane Tank Valve 100LB Propane Vapor Tank Service Valve Coupler Tank Service Valve with Automatic Bleeder Valve/POL Connection/3/4 Male NPT/Heavy Handle for Grill RV Fryer Outdoor Propane Setups.
BBQHKCX$28.055 rev
Propane Valve 100LB Propane Vapor Tank Service Valve Coupler with Manual & Automatic Bleeder Valve POL Connection Heavy Handle 10.2 Dip TubeFits for Grill Heater RV Fryer Outdoor Propane Setups.
BBQHKCX$30.1712 rev
Propane Adapter 100LB Propane Vapor Tank Service Valve Coupler with Manual Bleeder Valve POL Connection Heavy Handle & 10.2 Dip TubeFits for Grills Heaters RVs Fryers & Outdoor Propane Setups.
YFLWGFDA$34.0336 rev
Propane Tank Adapter 100LB Propane Vapor Tank Service Valve Coupler Tank Service Valve (POL Connection 3/4 Male NPT Heavy Handle) - Fits for Grills Heaters RVs Fryers & Outdoor Propane Setups.
YFLWGFDA$29.1937 rev
Flame King VOPD30 30-Pound Propane Tank Cylinder OPD (Overfill Protection Device) Valve
Flame King$26.39104 rev
Trending
90-day click momentumPropane Tank Valve 100LB Propane Vapor Tank Service Valve Coupler Tank Service Valve with Automatic Bleeder Valve/POL Connection/3/4 Male NPT/Heavy Handle for Grill RV Fryer Outdoor Propane Setups.
BBQHKCX$28.055.0★
Propane Valve 100LB Propane Vapor Tank Service Valve Coupler with Manual & Automatic Bleeder Valve POL Connection Heavy Handle 10.2 Dip TubeFits for Grill Heater RV Fryer Outdoor Propane Setups.
BBQHKCX$30.174.9★
MENSI 1/4 Male NPT X 1/4 Female NPT Heavy Duty Brass High Pressure Propane LPG Gas Flow Control Needle Valve
MENSI$13.024.3★
Joywayus Propane Tank Adapters Converts LP Tank POL Service Valve to QCC1 Brass Solid Universal Fit (Type 1)
Joywayus$9.014.6★
XFITTING 3/8 inch Flare X 3/8 inch Flare Gas Valve 1/4 inch Turn - Propane and Natural Gas 1 Piece
XFITTING$10.484.7★
Demand
Weekly Amazon search volume, last 30 weeks — -36.2% search growth over the last 90 days.Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Good quality valves”
“As advertised”
“Worked great when first installed”
“Worth the money”
“Very handy tool”
“Worked great on my grill”
“Perfect fit”
“It works and doesn't leak”
“holds tank pressure”
“Gauge seems to be pretty accurate so far”
What buyers complain about
“Doesn't work”
“Leaks Gas”
“not worth the price for the quality”
“Failed after less than a year”
“Grilled beware”
“Faulty Readings”
“expected the dial to be a little bigger”
“Product was damaged”
“Significant flow restriction”
“What a waste of time and money”