water tank level monitor
Worth a lookShows beatable incumbent ratings (3.7★), but weak search conversion (0.7%) keeps it on the watch list.
Quality gap
Incredible3.7★avg incumbent rating — lower means beatable quality
Review moat
Great133.02avg incumbent reviews — the moat a new listing must climb
Brand share
Great51%top-5 brand share — no brand owns this niche
Avg price
Great$77.37avg listing price — sweet spot $15–$100
Competition
Great33%top-5 click share — an open shelf
Returns
Okay3.2%return rate — above 5% kills the launch gate
Growth
Okay+14.3%90-day search growth — must beat 0% to launch
Price range
Okay$17.22–$339.92cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Bad$54K$54K/yr · 101K searches
Conversion
Bad0.7%search→purchase rate — share of searches ending in a sale
According to Flapen's Amazon United States niche tracking, water tank level monitor is a $54K/yr Amazon United States market (101K searches/yr). The top 5 brands hold 51% of demand. Verdict: Worth a look — 55/100.
Data updated Jul 30, 2026 · scored weekly · How we score niches
water tank level monitor market data
- Units sold / yr
- 750–1K
- avg 0–100/product
- Revenue / yr
- $58K–$77K
- units × avg price
- Conversion rate
- 0.7%
- Avg BSR
- #262
- Page quality
- 0%
- Prime
- 93%
- Sponsored
- 78%
- Out of stock
- 8.1%
- Avg brand age
- 50 months
- Avg seller age
- 160 days
Competition & brand share
Clicks spread well past the top 5 (33% combined) — an open shelf where new products get seen.Brands
30 rising
Sellers
76
Top-5 brand share
51%
Top 20: 94%
Top-5 click share
33%
Top 20: 79%
Open market
44%
- MORAYELEC13%
- briidea13%
- EPTTECH11%
- Risinglink8%
- PTLevel6%
- YoLink5%
Demand
Weekly Amazon search volume, last 24 weeks — +14.3% search growth over the last 90 days.Top water tank level monitor search terms
- water tank level monitor19K/yr
- wireless tank level monitor12K/yr
- water tank level sensor10K/yr
- cistern water level monitor9K/yr
- water tank level indicator8K/yr
- tank level sensor6K/yr
- tank water level indicator5K/yr
- water tank level gauge4K/yr
- wifi water level sensor3K/yr
- medidor de agua para tinaco4K/yr
Top water tank level monitor 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
EPTTECH Smart TLC2206 WiFi Water Oil Fuel Liquid Tank Level Monitor Indicator Controller Remote Water Level Sensor TUYA Intelligent Liquid Level Detector
EPTTECH$53.753.4★280 rev
Risinglink WiFi Water Level Monitor Alarm High OR Low Water Level Alerts Text & Email Notifications Battery Powered Stainless Steel Float Sensor with 10 ft Cable Indoor/Outdoor Use
Risinglink$93.924.1★151 rev
PTLevel Wireless Tank Level Monitor
PTLevel$305.924.0★224 rev
YoLink LoRa Smart Water Level Monitoring Sensor Wireless Battery-Powered Float Switch Alarm Sump Pump Alarm AC Condensate Overflow Tank Level Toilet Leak Sensor 105dB Siren YoLink Hub Required
YoLink$26.894.5★934 rev
Moray Smart WiFi Water Level Sensor Water Tank Level Monitor Submersible Liquid Level Gauge Automatic Alarm Indicator for Tuya Mobile APP Smart Home Remote IP67 Waterproof (ME202W 5m)
MORAYELEC$139.292.4★3 rev
Newest
by launch date
SCOTTSENSORS SC01W Smart Sensor Blue WiFi Ultrasonic Water Level Measurement IP66 Liquid Level Monitoring Sensor Controller Automatic Alarm Indicator
Generic$55.660 rev
Ultrasonic Level Sensor with 2.4G WiFi Non-Contact Liquid & Solid Level Monitor Tuya Smart & Smart Life APP Remote Control for Water Tank Grain Bin Waterproof Outdoor G2 Tank Monitor Indicator Alarm
HojellyTek$41.9112 rev
WiFi Solar Tank Level Monitor briidea Water Oil Tank Level Sensor with Remote Monitoring Real-Time App & Repeater Alerts 6-Month Battery 330ft Signal Range IP65 Waterproof for Cisterns
briidea$59.663 rev
Briidra RV Water Tank Level Monitor System with Probeless Adhesive Sensors LED Indicator Motion-Sensing Light Ensures Water Supply for Plastic Tanks up to 40 Gallons on 7-32V DC RVs Boats
briidea$47.0111 rev
Moray Smart WiFi Water Level Sensor Water Tank Level Monitor Submersible Liquid Level Gauge Automatic Alarm Indicator for Tuya Mobile APP Smart Home Remote IP67 Waterproof (ME202W 5m)
MORAYELEC$139.293 rev
Trending
90-day click momentumWiFi Solar Tank Level Monitor briidea Water Oil Tank Level Sensor with Remote Monitoring Real-Time App & Repeater Alerts 6-Month Battery 330ft Signal Range IP65 Waterproof for Cisterns
briidea$59.663.3★
Moray Smart WiFi Water Level Sensor Submersible Tank Level Monitor Water Level Transmitter Automatic Alarm Indicator for Smart Life APP ZigBee Smart Home Remote IP67 Waterproof (ME202Z5m)
MORAYELEC$135.261.0★
SCOTTSENSORS SC01R Smart WiFi Blue Water Level Sensor Water Tank Level Monitor Oil Tank Gauge Sensor Automatic Alarm Indicator for Tuya Smart Life Mobile APP Smart Home Remote IP66 Waterproof
Generic$67.492.5★
SCOTTSENSORS SC01W Smart Sensor Blue WiFi Ultrasonic Water Level Measurement IP66 Liquid Level Monitoring Sensor Controller Automatic Alarm Indicator
Generic$55.660.0★
Briidra RV Water Tank Level Monitor System with Probeless Adhesive Sensors LED Indicator Motion-Sensing Light Ensures Water Supply for Plastic Tanks up to 40 Gallons on 7-32V DC RVs Boats
briidea$47.013.7★
What buyers say about water tank level monitor
What buyers praise and complain about, mined from review topics.What buyers love
“Great value”
“Easy to install”
“High quality build”
“Works as advertised”
“Works great”
“Perfect and convenient”
“Looks good, hooked them up,”
“Best tank sensor at a great price”
“it's water resistant to a point”
“Nice design”
What buyers complain about
“Breaks after 1 month”
“Not well calibrated”
“the Bluetooth needs to be better”
“Won't give you a push notification”
“Not worth it”
“Another annoying set up”
“Cheap”
“That wasn't in the enclosed directions”
“One draw back though are the batteries”
“After 1 month I noticed it was not updating the water levels”
Top return reasons
Common questions
- Is water tank level monitor profitable to sell on Amazon United States?
- The niche generates $54K/yr across 46 tracked products. 5 of 19 products launched in the last 360 days are still selling. 90-day search growth is +14.3%. Flapen's verdict: Worth a look (55/100).
- How competitive is the water tank level monitor niche?
- 30 brands and 76 sellers compete. The top 5 products take 33% of clicks and top 5 brands hold 51% of demand.
- What do buyers complain about in water tank level monitor?
- Top complaints mined from reviews: Durability, Measurement/Reading Accuracy, Connectivity-Overall. The return rate is 3.2%.
- What does it cost to enter the water tank level monitor niche?
- Listings span $17.22–$339.92; the average listing price is $77.37 (sweet spot $15–$100). The average incumbent carries 133 reviews — the moat a new listing must climb.