---
title: "Mr Heater Replacement Parts — $29K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/patio-lawn-garden/mr-heater-replacement-parts"
last_updated: "2026-08-11T08:01:02.742Z"
locale: en
meta:
description: "Niche score 41/100 · $29K/yr market · 115K searches/yr · $17.19 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 41/100 · $29K/yr market · 115K searches/yr · $17.19 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Mr Heater Replacement Parts — $29K/yr Amazon US Niche (2026) - Flapen"
---
# **mr heater replacement parts**
**Skip it**
Soft demand (-88.3% this quarter) — this niche doesn't clear our bar today.
Market size 7Growth 0Conversion 18Competition 58Returns 65Price range 64Avg price 80Brand share 64Review moat 87Quality gap 48
**Review moat**
**Great****263.45**
avg incumbent reviews — the moat a new listing must climb
**Avg price**
**Great****$17.19**
avg listing price — sweet spot $15–$100
**Returns**
**Good****2.4%**
return rate — above 5% kills the launch gate
**Brand share**
**Good****66%**
top-5 brand share — brands hold most of the demand
**Price range**
**Good****$7.56–$28.24**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Competition**
**Good****50%**
top-5 click share — leaders hold, buyers still browse
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Conversion**
**Bad****1.5%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Bad****$29K**
$29K/yr · 115K searches
**Growth**
**Bad****-88.3%**
90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, mr heater replacement parts is a $29K/yr Amazon United States market (115K searches/yr). The top 5 brands hold 66% of demand. Demand peaks in Jan–Feb–Nov–Dec. Verdict: Skip it — 41/100.
Data updated Jul 16, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **mr heater replacement parts market data**
- **Units sold / yr**
- **3K–3K**
- avg 0–100/product
- **Revenue / yr**
- **$43K–$52K**
- units × avg price
- **Conversion rate**
- **1.5%**
- **Avg BSR**
- **#474**
- **Page quality**
- **0%**
- **Prime**
- **95%**
- **Sponsored**
- **82%**
- **Out of stock**
- **7.0%**
- **Avg brand age**
- **34 months**
- **Avg seller age**
- **183 days**
## **Competition & brand share**
The top 5 products take 50% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**16 **▲rising
**Sellers**
**57**
**Top-5 brand share**
**66%**
Top 20: 100%
**Top-5 click share**
**50%**
Top 20: 98%
**Open market**
**29%**
- Mr. Heater37% - Foycow10% - Fixitshop9% - Timsec6% - SZRKRLA5% - KBZ4%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -88.3% search growth over the last 90 days.
7K5KSpike '24Holiday '24Spike '25Black Friday '25Holiday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Jan, Feb, Nov, Dec · busiest ÷ quietest = 24.7×
[**Open Trend **](https://flapen.com/research/us/patio-lawn-garden/mr-heater-replacement-parts/trend)
## **Top mr heater replacement parts search terms**
- **mr heater parts**24K/yr-86.2%0.6% conv. - **mr heater replacement parts**18K/yr-84.3%0.6% conv. - **buddy heater parts**11K/yr-85.5%1.8% conv. - **mr heater thermocouple**5K/yr-87.6%9.4% conv. - **mr buddy heater parts**5K/yr-90.1%1.6% conv. - **mr heater propane heater parts**5K/yr-91.4%1.1% conv. - **mr heater buddy replacement parts**4K/yr-91.4%1.2% conv. - **mr buddy heater replacement parts**3K/yr-62.9%1.2% conv. - **mr heater 30000 btu parts**3K/yr-89.9%0.6% conv. - **thermocouple for mr heater**7K/yr-94.5%3.9% conv. [**All search terms **](https://flapen.com/research/us/patio-lawn-garden/mr-heater-replacement-parts/search-terms)
## **Top mr heater replacement parts 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%5%$1K10%$3K15%$4K20%$6K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 22 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Mr. Heater THERMOCOUPLE ASSEMBLY WITH TIP-OVER SWITCH WIRES**Mr. Heater**$12.86**4.5★851 rev](https://www.amazon.com/dp/B008DBR0H4) [2**Mr. Heater Buddy Heater MH9BX Replacement Tile Kit**Mr. Heater**$28.24**4.0★43 rev](https://www.amazon.com/dp/B09HVFLK85) [3**Foycow F273401 73404 Pilot Assembly Replacement Compatible with Mr Heater Big Buddy MH9B MH9BX MH18B and Compatible with Small Propane Heater**Foycow**$17.81**4.7★44 rev](https://www.amazon.com/dp/B0DPKW46B2) [4**proparts1 Mr Heater F273117 Replacement Thermocouple Lead 12.5**Mr. Heater**$7.56**4.2★116 rev](https://www.amazon.com/dp/B082WKF1DS) [5**SZRKRLA 3 Pack F237349 2304885 Propane Tank Top Heater Thermocoupler Fit for Mr.Heater MH15T MH30T MH45T for Sunrite SRC15T SRC30T for GHP/Dyna Glo**SZRKRLA**$22.26**3.4★3 rev](https://www.amazon.com/dp/B0FZGSF73X)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**F273401 73404 Pilot Assembly Direct Replacement for Portable Buddy Mr Heaters Parts Compatible with MH9B MH9BX MH18B and for Dewalt Small Propane Heater Parts Replace 78422 F278527**XOMIUHL**$10.88**3 rev6mo ago](https://www.amazon.com/dp/B0GHFBGNDW) [**Eifelgold F273401 73404 Pilot Assembly**Eifelgold**$22.61**5 rev8mo ago](https://www.amazon.com/dp/B0G19D3VJ3) [**SZRKRLA 3 Pack F237349 2304885 Propane Tank Top Heater Thermocoupler Fit for Mr.Heater MH15T MH30T MH45T for Sunrite SRC15T SRC30T for GHP/Dyna Glo**SZRKRLA**$22.26**3 rev8mo ago](https://www.amazon.com/dp/B0FZGSF73X) [**F237349 Propane Tank-Top Heater Thermocouple Safety Assembly Compatible with Mr. Heater MH15T MH15TS MH30T MH30TS MH45T and SunRite SRC15T SRC30T with Tip-Over Switch**DuckcowsC**$10.88**23 rev11mo ago](https://www.amazon.com/dp/B0FM8JVH11) [**F273401 73404 Pilot Assembly-Direct Replacement for Mr Heater Portable Buddy MH9B/MH9BX & DeWalt 78422-Compatible with F278527 ODS & MH18B Space Heaters**WUVYFWN**$22.77**31 rev1y ago](https://www.amazon.com/dp/B0F4QYT7ML)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**F273401 73404 Pilot Assembly Direct Replacement for Portable Buddy Mr Heaters Parts Compatible with MH9B MH9BX MH18B and for Dewalt Small Propane Heater Parts Replace 78422 F278527**XOMIUHL**$10.88**4.3★**▲ 1000%**](https://www.amazon.com/dp/B0GHFBGNDW) [**SZRKRLA 3 Pack F237349 2304885 Propane Tank Top Heater Thermocoupler Fit for Mr.Heater MH15T MH30T MH45T for Sunrite SRC15T SRC30T for GHP/Dyna Glo**SZRKRLA**$22.26**3.4★**▲ 425%**](https://www.amazon.com/dp/B0FZGSF73X) [**28082 Thermocouple Mr. Heater MH35FALP / MS35FALP**Fixitshop**$15.03**4.1★**▲ 331%**](https://www.amazon.com/dp/B01LZDIJU9) [**Mr. Heater Buddy Heater MH9BX Replacement Tile Kit**Mr. Heater**$28.24**4.0★**▲ 199%**](https://www.amazon.com/dp/B09HVFLK85) [**Eifelgold F273401 73404 Pilot Assembly**Eifelgold**$22.61**5.0★**▲ 138%**](https://www.amazon.com/dp/B0G19D3VJ3)
**~~View all trending →~~**
## **What buyers say about mr heater replacement parts**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**26%
*“Fit great”*
**Advertised Vs Actual Product**16%
*“Just What was advertised”*
**Heating**12%
*“These have definitely made maintaining my heater much easier”*
**Assembly/Installation**9%
*“installed it works fine”*
**Efficiency**9%
*“Works flawlessly”*
**Quality-Overall**9%
*“well made”*
**Value For Money**6%
*“Great deal”*
**Ease Of Use**4%
*“but it was easy”*
**Compatibility-Overall**1%
*“Works for Ooni pizza oven too”*
**Maintenance And Repair**1%
*“Repaired my old propane tank top heater and this was an effective and cheap repair”*
### **What buyers complain about **
**Heating**11%
*“Heater would not work at all with out this installed”*
**Size-Overall**9%
*“Does not fit please help with refund”*
**Quality-Overall**9%
*“Quality. Seems cheap had to order more”*
**Instructions/User Manual/Troubleshooting**8%
*“Also no instructions online for my particular model”*
**Durability**7%
*“Didn't last”*
**Functionality-Overall**7%
*“Did not work”*
**Assembly/Installation**5%
*“A little difficult to install”*
**Connectivity-Overall**5%
*“Involves the disconnection of fixed gas pipes”*
**Compatibility-Overall**5%
*“Not compatible”*
**Value For Money**5%
*“Wont last wasted 17 dollars”*
### **Top return reasons **
**Size-Overall**34%
**Compatibility-Overall**23%
**Advertised Vs Actual Product**8%
**Defective Material/Parts**7%
**Assembly/Installation**7%
**Heating**4%
**Value For Money**4%
**Functionality-Overall**3%
**Durability**2%
**Product Condition**2%
## **Common questions**
- **Is mr heater replacement parts profitable to sell on Amazon United States?**
- The niche generates $29K/yr across 22 tracked products. 0 of 4 products launched in the last 360 days are still selling. 90-day search growth is -88.3%. Flapen's verdict: Skip it (41/100).
- **How competitive is the mr heater replacement parts niche?**
- 16 brands and 57 sellers compete. The top 5 products take 50% of clicks and top 5 brands hold 66% of demand.
- **What do buyers complain about in mr heater replacement parts?**
- Top complaints mined from reviews: Heating, Size-Overall, Quality-Overall. The return rate is 2.4%.
- **When does demand for mr heater replacement parts peak?**
- Demand peaks in Jan–Feb–Nov–Dec; the busiest month runs 24.7× the quietest.
- **What does it cost to enter the mr heater replacement parts niche?**
- Listings span $7.56–$28.24; the average listing price is $17.19 (sweet spot $15–$100). The average incumbent carries 263 reviews — the moat a new listing must climb.
## **Related niches in Patio, Lawn & Garden**
- 82 [**lawn aerator**](https://flapen.com/research/us/patio-lawn-garden/lawn-aerator)$6.2M/yr+90.1%**Launch it**- 82 [**shepherds hooks for outdoor**](https://flapen.com/research/us/patio-lawn-garden/shepherds-hooks-for-outdoor)$3.9M/yr+141.2%**Launch it**- 82 [**garden mesh**](https://flapen.com/research/us/patio-lawn-garden/garden-mesh)$716K/yr+152.7%**Worth a look**- 83 [**chicken waterer**](https://flapen.com/research/us/patio-lawn-garden/chicken-waterer)$3.4M/yr+70.1%**Launch it**- 83 [**75 foot garden hose**](https://flapen.com/research/us/patio-lawn-garden/75-foot-garden-hose)$1.8M/yr+117.6%**Launch it**- 83 [**bird deterrents for outside**](https://flapen.com/research/us/patio-lawn-garden/bird-deterrents-for-outside)$2.1M/yr+131.5%**Launch it**[**All Patio, Lawn & Garden niches **](https://flapen.com/research/us/patio-lawn-garden)