balboa spa heater element
Skip itSoft demand (-8.6% this quarter) — this niche doesn't clear our bar today.
Review moat
Incredible46.67avg incumbent reviews — the moat a new listing must climb
Avg price
Great$60.45avg listing price — sweet spot $15–$100
Quality gap
Great4.2★avg incumbent rating — lower means beatable quality
Price range
Good$26.62–$141.21cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Good50%top-5 click share — leaders hold, buyers still browse
Conversion
Good4.8%search→purchase rate — share of searches ending in a sale
Brand share
Okay86%top-5 brand share — brands hold most of the demand
Returns
Okay4.8%return rate — above 5% kills the launch gate
Market size
Bad$95K$95K/yr · 33K searches
Growth
Bad-8.6%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, balboa spa heater element is a $95K/yr Amazon United States market (33K searches/yr). The top 5 brands hold 86% of demand. Demand peaks in Jan–Feb–Mar. Verdict: Skip it — 48/100.
Data updated Jul 24, 2026 · scored weekly · How we score niches
balboa spa heater element market data
- Units sold / yr
- 1K–2K
- avg 0–100/product
- Revenue / yr
- $76K–$91K
- units × avg price
- Conversion rate
- 4.8%
- Avg BSR
- #679
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 100%
- Out of stock
- 5.4%
- Avg brand age
- 41 months
- Avg seller age
- 177 days
Competition & brand share
The top 5 products take 50% of clicks — established leaders, but buyers still shop beyond them.Brands
10 falling
Sellers
12
Top-5 brand share
86%
Top 20: 100%
Top-5 click share
50%
Top 20: 100%
Open market
8%
- E-cowlboy22%
- Bzsunway22%
- Dgqtrx17%
- Xzionh14%
- RJDJXYRENYI11%
- ArrogantF7%
- Open — no brand owns it (4 brands, 8%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -8.6% search growth over the last 90 days.Peak months: Jan, Feb, Mar · busiest ÷ quietest = 3.5×
Top balboa spa heater element search terms
- hot tub heater element9K/yr
- balboa heating element8K/yr
- hot tub heating element6K/yr
- balboa spa heater element4K/yr
- balboa m7 heater4K/yr
- heating element for hot tub2K/yr
Top balboa spa heater element 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 18 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Premium 58083 M7 Heater Assembly Replacement Heater fits for Balboa BP VS and EL2001 Control Systems 5.5KW 220 Volt W/Sensors 25-175-1010
E-cowlboy$128.223.7★81 rev
Bzsunway Replacement Part for Balboa 58117 M7 Hot Tub Spa Heater Element Assembly w/Sensors 4.0kW @ 240V / 1.0kW @ 120V Compatible with Series M7
Bzsunway$139.824.6★18 rev
Xzionh 4kw 240v Hot Tub Heater Element for Balboa Spa Heater Element Replacement Flo-Thru Universal Hot Tub Heating Element (4kw)
Xzionh$32.624.7★43 rev
E-cowlboy 58117 M-7 Heater Assembly fits for Balboa VS EL TS GS BP Control Systems 4.0 KW 220V 26-58104-K with Sensor
E-cowlboy$140.094.0★76 rev
Dgqtrx 4KW 240V Hot Tub Heater Element for Balboa Spa Heater Element Titanium Flo-Thru Hot Tub Heater Element(10 Inch) (4KW)
Dgqtrx$32.854.4★13 rev
Newest
by launch dateDgqtrx 4KW 240V Hot Tub Heater Element for Balboa Spa Heater Element Titanium Flo-Thru Hot Tub Heater Element(10 Inch) (4KW)
Dgqtrx$32.8513 rev
Dgqtrx 5.5KW 240V Hot Tub Heater Element for Balboa Spa Heater Element Titanium Flo-Thru Hot Tub Heater Element(10 Inch)
Dgqtrx$35.5211 rev
RJDJXYRENYI 5.5kw 240v Hot Tub Heater Element for Balboa Spa Heater Element Replacement Flo-Thru Universal Hot Tub Heating Element5.5kw
RJDJXYRENYI$32.357 rev
RJDJXYRENYI 4kw 240v Hot Tub Heater Element for Balboa Spa Heater Element Replacement Flo-Thru Universal Hot Tub Heating Element(4kw)
RJDJXYRENYI$31.4311 rev
5.5KW 240V Titanium Hot Tub Heater Element with Mounting Hardware Compatible with Flo-Thru Universal Tub Heating Element Applicable in Balboa Spa Heater Element Spas Electric Heaters or Swimming Pools
Sejaede$26.6211 rev
Trending
90-day click momentumDgqtrx 4KW 240V Hot Tub Heater Element for Balboa Spa Heater Element Titanium Flo-Thru Hot Tub Heater Element(10 Inch) (4KW)
Dgqtrx$32.854.4★
Dgqtrx 5.5KW 240V Hot Tub Heater Element for Balboa Spa Heater Element Titanium Flo-Thru Hot Tub Heater Element(10 Inch)
Dgqtrx$35.524.4★
5.5KW 240V Titanium Hot Tub Heater Element with Mounting Hardware Compatible with Flo-Thru Universal Tub Heating Element Applicable in Balboa Spa Heater Element Spas Electric Heaters or Swimming Pools
Sejaede$26.624.5★
Bzsunway Replace Part for Balboa 58117 M7 Hot Tub Spa Heater Element Assembly w/Sensors 4.0kW @ 240V / 1.0kW @ 120V 58104 58120 Suitable for Series M7
Bzsunway$141.214.6★
E-cowlboy 58117 M-7 Heater Assembly fits for Balboa VS EL TS GS BP Control Systems 4.0 KW 220V 26-58104-K with Sensor
E-cowlboy$140.094.0★
What buyers say about balboa spa heater element
What buyers praise and complain about, mined from review topics.What buyers love
“Exact fit”
“Install took only a few minutes”
“As advertised”
“Good quality”
“For the price, its a solid alternative to OEM”
“This hot tub heater element worked great”
“Easy and works”
“Perfect for the swap- my connectors were sealed in so i had to unscrew the ends”
“the heater element fit in there pretty good with no leaks”
What buyers complain about
“Won't last”
“Returned bought heating element instead”
“According to the repair guy I have gotten sub-par quality parts”
“Cheaper than buying the whole assembly”
“leaked”
“Heater developed a rust hole”
“didnt work right out of the box”
“Difficult Fit”
“Part worked”
“This product causes fires beware”
Top return reasons
Common questions
- Is balboa spa heater element profitable to sell on Amazon United States?
- The niche generates $95K/yr across 18 tracked products. 1 of 5 products launched in the last 360 days are still selling. 90-day search growth is -8.6%. Flapen's verdict: Skip it (48/100).
- How competitive is the balboa spa heater element niche?
- 10 brands and 12 sellers compete. The top 5 products take 50% of clicks and top 5 brands hold 86% of demand.
- What do buyers complain about in balboa spa heater element?
- Top complaints mined from reviews: Durability, Heating, Quality-Overall. The return rate is 4.8%.
- When does demand for balboa spa heater element peak?
- Demand peaks in Jan–Feb–Mar; the busiest month runs 3.5× the quietest.
- What does it cost to enter the balboa spa heater element niche?
- Listings span $26.62–$141.21; the average listing price is $60.45 (sweet spot $15–$100). The average incumbent carries 47 reviews — the moat a new listing must climb.