immersion heater timer
Worth a lookShows a sweet-spot price point ($21.93 avg), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Avg price
Great£21.93avg listing price — sweet spot $15–$100
Review moat
Great175.21avg incumbent reviews — the moat a new listing must climb
Price range
Great£6.32–£70.06cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Great4.3★avg incumbent rating — lower means beatable quality
Brand share
Good62%top-5 brand share — brands hold most of the demand
Competition
Good43%top-5 click share — leaders hold, buyers still browse
Returns
Good2.4%return rate — above 5% kills the launch gate
Conversion
Good4.9%search→purchase rate — share of searches ending in a sale
Growth
Bad-1.6%90-day search growth — must beat 0% to launch
Market size
Bad£73K£73K/yr · 68K searches
According to Flapen's Amazon United Kingdom niche tracking, immersion heater timer is a £73K/yr Amazon United Kingdom market (68K searches/yr). The top 5 brands hold 62% of demand. Verdict: Worth a look — 57/100.
Data updated Jul 22, 2026 · scored weekly · How we score niches
immersion heater timer market data
- Units sold / yr
- 3K–4K
- avg 0–100/product
- Revenue / yr
- £66K–£88K
- units × avg price
- Conversion rate
- 4.9%
- Avg BSR
- #401
- Page quality
- 0%
- Prime
- 86%
- Sponsored
- 50%
- Out of stock
- 8.7%
- Avg brand age
- 52 months
- Avg seller age
- 183 days
Competition & brand share
The top 5 products take 43% of clicks — established leaders, but buyers still shop beyond them.Brands
21 flat
Sellers
50
Top-5 brand share
62%
Top 20: 100%
Top-5 click share
43%
Top 20: 81%
Open market
31%
- Timeguard25%
- ANTREATU12%
- HBN11%
- Optimum8%
- Candeo7%
- LOWENERGIE6%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -1.6% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.4×
Top immersion heater timer search terms
- immersion heater timer34K/yr
- immersion heater timer switch14K/yr
- immersion timer6K/yr
- timeguard immersion heater timer4K/yr
- timeguard timer4K/yr
- timeguard5K/yr
Top immersion heater timer 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
ANTREATU Immersion Heater Timer Switch 40A Smart Immersion Heater Switch with an Installation Box Tempered Glass Compatible with Alexa & Google Home Smart Switches for Lights
ANTREATU£15.084.2★34 rev
HBN 24 Hour Indoor Energy Saving Mechanical Immersion Heater Segment Timer Switch with Waterproof Cover White 16 Amps
HBN£12.574.1★970 rev
Optimum Energy Saving Electronic Time Switch - 2 Hour Electronic Boost Timer Socket Box Mount - White One 230 V
Optimum£15.174.2★635 rev
Timeguard Sure Time 2 Hour Electronic Boost Timer
Timeguard£16.454.5★112 rev
Timeguard NTT03 24-Hour/7-Day Compact Electronic Immersion Heater Timeswitch White
Timeguard£29.694.5★837 rev
Newest
by launch date
Digital Programmable Switched Fused Spur Timer
Candeo£27.4386 rev
Turmegtt Wifi Smart Immersion Switch 40A Smart Heater Switch
Turmegtt£15.7216 rev
Smart WiFi Fused Spur Timer Switch for Immersion Heaters Electric Towel Rails Storage Heaters & Lighting - 13A Timer Switch with Power Monitoring | Alexa & Google Voice Control | No Hub Required
Candeo£33.0886 rev
BG Masterplug TMIHDIG-MP Digital Weekly Immersion Timer with LED Indicators/Boost Button
Generic£15.759 rev
LOWENERGIE 24hr Mechanical Wall Timer Switch 16A Hardwired Control for Immersion Heaters Lighting Fans & Energy Storage Systems (3000W Max Load)
LOWENERGIE£11.4750 rev
Trending
90-day click momentumDigital Programmable Switched Fused Spur Timer
Candeo£27.434.6★
Uadme Mechanical Immersion Heater Timer 24 Hour Wall Segment Timer Switch with Waterproof Cover for Immersion Heaters Lighting Fans & Energy Storage Systems
Uadme£13.124.0★
Smart WiFi Fused Spur Timer Switch for Immersion Heaters Electric Towel Rails Storage Heaters & Lighting - 13A Timer Switch with Power Monitoring | Alexa & Google Voice Control | No Hub Required
Candeo£33.084.6★
ANTREATU Immersion Heater Timer Switch 40A Smart Immersion Heater Switch with an Installation Box Tempered Glass Compatible with Alexa & Google Home Smart Switches for Lights
ANTREATU£15.084.2★
Timeguard TS900N Immersion Heater Time Controller White
Timeguard£17.044.0★
What buyers say about immersion heater timer
What buyers praise and complain about, mined from review topics.What buyers love
“Excellent product”
“Easy to use”
“Excellent value for money”
“It works as it should”
“Easy install”
“Easy fit”
“great to be able to heat the water before you get home”
“Works very well”
“Connectivity”
“Perfect Timer”
What buyers complain about
“Broke after the months”
“Will not connect to Wifi”
“Poor quality, dangerous device”
“Doesnt work”
“But the cheaper ones are worse”
“Not obvious from the description”
“No earth terminals so not suitable for UK wiring”
“Installation modification may be required”
“MAIN BODY WILL NOT REFIX TO BASE”
“Original Timeguard switch faulty so bought this as a replacement, certainly flimsier and has metal pegs to set on/off periods, however minimum time is 30 minutes because of peg head diameter”
Top return reasons
Common questions
- Is immersion heater timer profitable to sell on Amazon United Kingdom?
- The niche generates £73K/yr across 42 tracked products. 2 of 8 products launched in the last 360 days are still selling. 90-day search growth is -1.6%. Flapen's verdict: Worth a look (57/100).
- How competitive is the immersion heater timer niche?
- 21 brands and 50 sellers compete. The top 5 products take 43% of clicks and top 5 brands hold 62% of demand.
- What do buyers complain about in immersion heater timer?
- Top complaints mined from reviews: Durability, Connectivity-Overall, Quality-Overall. The return rate is 2.4%.
- When does demand for immersion heater timer peak?
- Demand is steady year-round — the busiest month runs 1.4× the quietest.
- What does it cost to enter the immersion heater timer niche?
- Listings span £6.32–£70.06; the average listing price is £21.93 (sweet spot $15–$100). The average incumbent carries 175 reviews — the moat a new listing must climb.