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Three small white water-leak sensors with 37.8-inch cables and wall-mount stickers

Emerson TP-206W-3 smart sensor 120dB 3 pack

SKU CH-0RWJ-8N0ZF MPN TP-206W-3

Three battery-powered water detectors sound a 120 dB alarm when moisture touches the 24 K plated sensor board

  • DetailsTopvico, TP-206 W-3, TP-206 W, 9.7 L x 4.5 W x 2.2 H centime
  • Key featuresWater Detection Sensor, application, Wall Mount, 120 decibel
  • Product dimensions14.33 in W × 12.83 in H × 9.06 in D
  • Product weight0.11 lb (0.05 kg)
  • Loud 120dB alarm sounds immediately when water is detected
  • 24K plated sensor board provides high-sensitivity leak detection
  • Reusable design works again after the sensor board is dried
  • 8-inch cable extends over 150 feet for hard-to-reach areas
  • Double-sided adhesive stickers enable quick wall mounting without tools

Water leak detector trio

Three battery-powered sensors each emit a 120 dB alarm when moisture touches the 24 K plated contact board. The detection board connects to the alarm host by a 37.8 in cable that can be extended beyond 150 ft with standard electrical wire. Units mount with included double-sided adhesive and are reusable after drying.

Homeowners and RV owners needing loud local alerts

Ideal for basements, laundry rooms, water heaters, sump pumps and RV compartments where a siren can be heard on site. Not suited for users who require phone notifications, smart-home integration or silent monitoring because the device has no wireless radio or app connectivity.

120 dB siren with 24 K plated sensor

The 120 decibel alarm and gold-plated detection board are the core specifications that determine whether this pack meets the need for immediate, high-sensitivity leak warning without external power or network.

How it compares

Measured against everything we stock in Alarm Kits & Motion Sensors, at today’s prices. Recalculated every night.

Price $18.99
Cheaper than about 81% of the 180 comparable items (median $30.99).

Specifications

Product
Brand nameEmerson
Model nameTP-206 W-3
Part numberTP-206 W
Size & build
Product dimensions14.33 in W × 12.83 in H × 9.06 in D
Product weight0.11 lb (0.05 kg)

Questions about this item

Should I pick the three-pack or buy single units?

The TP-206W-3 includes three complete sensor kits, each with its own alarm host, detection board, 37.8-inch cable and adhesive stickers, so you can cover multiple risk zones at once.

How loud is 120 dB when the alarm sounds in a house?

At 120 dB the siren is comparable to a chainsaw or thunderclap, easily heard through floors and closed doors, and it keeps sounding until the sensor dries or you switch the unit off.

What connection does the sensor use and how far can I run it?

The detection board connects to the alarm host by a 37.8-inch cable that you can extend with ordinary electrical wire to over 150 feet for hard-to-reach locations.

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