---
title: "Fireplace Key — $125K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/patio-lawn-garden/fireplace-key"
last_updated: "2026-08-10T17:23:11.258Z"
locale: en
meta:
description: "Niche score 30/100 · $125K/yr market · 141K searches/yr · $7.52 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 30/100 · $125K/yr market · 141K searches/yr · $7.52 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Fireplace Key — $125K/yr Amazon US Niche (2026) - Flapen"
---
# **fireplace key**
**Skip it**
Soft demand (-56.3% this quarter) — this niche doesn't clear our bar today.
Market size 29Growth 0Conversion 94Competition 16Returns 56Price range 0Avg price 21Brand share 24Review moat 61Quality gap 19
**Conversion**
**Great****11.8%**
search→purchase rate — share of searches ending in a sale
**Review moat**
**Good****1,049.92**
avg incumbent reviews — the moat a new listing must climb
**Returns**
**Good****2.8%**
return rate — above 5% kills the launch gate
**Market size**
**Okay****$125K**
$125K/yr · 141K searches
**Brand share**
**Bad****90%**
top-5 brand share — brand-locked demand
**Avg price**
**Bad****$7.52**
avg listing price — sweet spot $15–$100
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Competition**
**Bad****80%**
top-5 click share — a locked-up shelf
**Growth**
**Bad****-56.3%**
90-day search growth — must beat 0% to launch
**Price range**
**Bad****$4.42–$10.84**
cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United States niche tracking, fireplace key is a $125K/yr Amazon United States market (141K searches/yr). The top 5 brands hold 90% of demand. Demand peaks in Jan–Nov–Dec. Verdict: Skip it — 30/100.
Data updated Jul 16, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **fireplace key market data**
- **Units sold / yr**
- **20K–25K**
- avg 1,500–2,000/product
- **Revenue / yr**
- **$150K–$188K**
- units × avg price
- **Conversion rate**
- **11.8%**
- **Avg BSR**
- **#66**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **100%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **62 months**
- **Avg seller age**
- **184 days**
## **Competition & brand share**
The top 5 products capture 80% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**8 **▼falling
**Sellers**
**11**
**Top-5 brand share**
**90%**
Top 20: 100%
**Top-5 click share**
**80%**
Top 20: 100%
**Open market**
**6%**
- Stanbroil46% - onlyfire17% - Himaweek10% - Tondiamo10% - Skyflame8% - OXDFK4% - Open — no brand owns it (2 brands, 6%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -56.3% search growth over the last 90 days.
13K8KSpike '24Holiday '24Spike '25Black Friday '25Holiday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Jan, Nov, Dec · busiest ÷ quietest = 4.6×
[**Open Trend **](https://flapen.com/research/us/patio-lawn-garden/fireplace-key/trend)
## **Top fireplace key search terms**
- **fireplace key**30K/yr-55.4%11.8% conv. - **gas fireplace key**26K/yr-54.1%11.6% conv. - **fireplace keys for gas valves**21K/yr-68.1%12.6% conv. - **gas valve key**10K/yr-42.3%5.9% conv. - **fireplace gas key**13K/yr-57.5%11.1% conv. - **gas key**7K/yr-21.2%12.8% conv. - **gas key for fireplace**12K/yr-58.8%14.1% conv. - **gas fireplace key replacement**8K/yr-64.5%12.6% conv. - **fireplace gas valve key**5K/yr-55.9%6.8% conv. - **fire place key gas**4K/yr-68.1%11.1% conv. [**All search terms **](https://flapen.com/research/us/patio-lawn-garden/fireplace-key/search-terms)
## **Top fireplace key 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.
0%10%$13K20%$25K30%$38K40%$50K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 12 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Stanbroil Universal 3-Inch Gas Valve Key Fits 1/4 and 5/16 Turn Ball Valve for Gas Fire Pits and Fireplaces Antique Copper**Stanbroil**$7.03**4.8★3,625 rev](https://www.amazon.com/dp/B01ENIMUDE) [2**Onlyfire Universal Gas Valve Key for Gas Fire Pits and Fireplaces 3 Chrome Replacement Gas Key Fits 1/4 and 5/16 Turn Ball Valve**onlyfire**$6.98**4.7★1,789 rev](https://www.amazon.com/dp/B00X7OI03U) [3**Stanbroil Universal 8-Inch Gas Valve Fireplace Key Fits 1/4 and 5/16 Turn Ball Valve Polished Chrome**Stanbroil**$7.89**4.8★3,625 rev](https://www.amazon.com/dp/B019SKO7BU) [4**Himaweek 2 Pieces Universal Gas Valve Key Fireplace Key 3 Inches for Gas Fire Pits Polished Brass Replacement Gas Key for Outdoor Gas Fireplace Fits Both 1/2 and 3/4 Turn Ball Valve (Silver)**Himaweek**$8.24**4.5★184 rev](https://www.amazon.com/dp/B0CH31968H) [5**Tondiamo 2 Pcs Universal 3-Inch Gas Valve Key Fireplace Key for Gas Fire Pits Polished Brass Replacement for Outdoor Fireplace Fits Both 1/4-in and 5/16-inch Turn Ball(Silver)**Tondiamo**$10.84**4.6★463 rev](https://www.amazon.com/dp/B09MB1MTVW)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**3 Inch Universal Gas Valve Key for Gas Fireplaces and Fire Pit Fits 1/4 and 5/16 Gas Valve Stems Corrosion Resistant Replacement Key Heavy Duty Metal Construction(Silver)**Generic**$4.42**2 rev5mo ago](https://www.amazon.com/dp/B0GL918L48) [**Kyuionty 2 Pcs Universal Gas Valve Key 3 Inch Fits 1/4 and 5/16 Gas Valve Stems Bronze Replacement Key for Gas Fire Pits and Fireplaces**Kyuionty**$7.41**19 rev10mo ago](https://www.amazon.com/dp/B0FPR2FYCM) [**OXDFK 3 Inch Universal Gas Valve Key Universal Valve Key for Gas Fireplaces Fits 1/4 and 5/16 Replacement Gas Valve Stems for Fire Pit and Fireplace Outdoor Gas Fireplace (Silver)**OXDFK**$6.49**104 rev1y ago](https://www.amazon.com/dp/B0DWMDNWJQ) [**OXDFK 3 Inch Universal Gas Valve Key Universal Valve Key for Gas Fireplaces Fits 1/4 and 5/16 Replacement Gas Valve Stems for Fire Pit and Fireplace Outdoor Gas Fireplace**OXDFK**$6.65**104 rev1y ago](https://www.amazon.com/dp/B0DFLZNKVN) [**Tondiamo 2 Pcs Universal 3-Inch Gas Valve Key Fireplace Key for Gas Fire Pits Polished Brass Replacement for Outdoor Fireplace Fits Both 1/4-in and 5/16-inch Turn Ball(Bronze Color)**Tondiamo**$10.77**463 rev2y ago](https://www.amazon.com/dp/B0D83JXZHH)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**3 Inch Universal Gas Valve Key for Gas Fireplaces and Fire Pit Fits 1/4 and 5/16 Gas Valve Stems Corrosion Resistant Replacement Key Heavy Duty Metal Construction(Silver)**Generic**$4.42**4.5★**▲ 682%**](https://www.amazon.com/dp/B0GL918L48) [**Kyuionty 2 Pcs Universal Gas Valve Key 3 Inch Fits 1/4 and 5/16 Gas Valve Stems Bronze Replacement Key for Gas Fire Pits and Fireplaces**Kyuionty**$7.41**4.8★**▲ 85%**](https://www.amazon.com/dp/B0FPR2FYCM) [**Onlyfire Universal Gas Valve Key for Gas Fire Pits and Fireplaces 3 Chrome Replacement Gas Key Fits 1/4 and 5/16 Turn Ball Valve**onlyfire**$6.98**4.7★**▲ 58%**](https://www.amazon.com/dp/B00X7OI03U) [**Stanbroil Universal 8-Inch Gas Valve Fireplace Key Fits 1/4 and 5/16 Turn Ball Valve Polished Chrome**Stanbroil**$7.89**4.8★**▲ 47%**](https://www.amazon.com/dp/B019SKO7BU) [**Himaweek 2 Pieces Universal Gas Valve Key Fireplace Key 3 Inches for Gas Fire Pits Polished Brass Replacement Gas Key for Outdoor Gas Fireplace Fits Both 1/2 and 3/4 Turn Ball Valve (Silver)**Himaweek**$8.24**4.5★**▲ 26%**](https://www.amazon.com/dp/B0CH31968H)
**~~View all trending →~~**
## **What buyers say about fireplace key**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**33%
*“Nice Fit”*
**Quality-Overall**20%
*“Quality Replacement at Excellent Price”*
**Advertised Vs Actual Product**14%
*“Works as advertised”*
**Strength**10%
*“Really sturdy, look and feel very nice”*
**Durability**6%
*“will probably never break”*
**Color**4%
*“I love the color and the size, it's very functional and sturdy, it's defiantly worth it”*
**Ease Of Use**4%
*“easy to use”*
**Value For Money**3%
*“Great value”*
**Design-Overall**2%
*“Very classy looking”*
**Material Quality**2%
*“good material and quality”*
### **What buyers complain about **
**Size-Overall**33%
*“Doesn't fit”*
**Defective Material/Parts**33%
*“Also, the product is unusable; it doesn't fit into the slot”*
**Advertised Vs Actual Product**17%
*“Bad description”*
**Instructions/User Manual/Troubleshooting**17%
*“Instructions are wrong”*
### **Top return reasons **
**Size-Overall**80%
**Advertised Vs Actual Product**7%
**Functionality-Overall**3%
**Value For Money**2%
**Color**2%
**Defective Material/Parts**1%
**Mechanism Issues**1%
**Connectivity-Overall**1%
**Product Condition**1%
**Shape/Style**1%
## **Common questions**
- **Is fireplace key profitable to sell on Amazon United States?**
- The niche generates $125K/yr across 12 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is -56.3%. Flapen's verdict: Skip it (30/100).
- **How competitive is the fireplace key niche?**
- 8 brands and 11 sellers compete. The top 5 products take 80% of clicks and top 5 brands hold 90% of demand.
- **What do buyers complain about in fireplace key?**
- Top complaints mined from reviews: Size-Overall, Defective Material/Parts, Advertised Vs Actual Product. The return rate is 2.8%.
- **When does demand for fireplace key peak?**
- Demand peaks in Jan–Nov–Dec; the busiest month runs 4.6× the quietest.
- **What does it cost to enter the fireplace key niche?**
- Listings span $4.42–$10.84; the average listing price is $7.52 (sweet spot $15–$100). The average incumbent carries 1,050 reviews — the moat a new listing must climb.
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