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Aquaguard (3)
Carrier (1)
FloodStop (6)
Kohler (2)
Moen (11)
Rectorseal (3)
Resideo (16)
Rheem (2)
Rinnai (1)
Taco (5)

Size

1/2" (3)
3/4" (8)
1" (6)
1-1/4" (4)

Features

5' of Lead Wire (1)
Audio Low Battery Tone (1)
On/Off Silence Switch (1)
Wifi (6)

Battery Type

9V Alkaline (1)
AA (3)

Lead Free

Yes (11)

Review Score

(14)
(5)
(1)
(1)

Price Range

$5 to $10 (1)
$10 to $15 (2)
$15 to $20 (1)
$20 to $25 (3)
$25 to $30 (2)
$30 to $35 (2)
$50 to $60 (3)
$60 to $70 (2)
$70 to $80 (1)
$100 to $200 (6)

Water Heater Leak Detectors

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Product Image of Water Heater FloodStop w/ 3/4" Ball Valve
Water Heater FloodStop w/ 3/4" Ball Valve
SKU: FS3/4NPT
FloodStop
SKU: FS3/4NPT
Brand: FloodStop
(10)
$206.91 each
In Stock
Get 39 by Tomorrow, Jul 2
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Product Image of L1 Wi-Fi Water Leak and Freeze Detector, CHW3610W8001
L1 Wi-Fi Water Leak and Freeze Detector, CHW3610W8001
SKU: CHW3610W8001
Resideo
SKU: CHW3610W8001
Brand: Resideo
(19)
$69.27 each
In Stock
Get 176 by Tomorrow, Jul 2
In Stock
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Product Image of Flo By Moen Leak Detection System (1"), 900-006
Flo By Moen Leak Detection System (1"), 900-006
SKU: 900-006
Moen
SKU: 900-006
Brand: Moen
(1)
$679.41 each
In Stock
Get 54 by Tomorrow, Jul 2
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Product Image of LeakBreaker 3/4" NPT Water Heater Shut-Off Valve & Actuator
LeakBreaker 3/4" NPT Water Heater Shut-Off Valve & Actuator
SKU: LB-075-H-2LF
Taco
SKU: LB-075-H-2LF
Brand: Taco
(2)
$220.26 each
In Stock
Get 79 by Tomorrow, Jul 2
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Product Image of Flo By Moen Leak Detection System (3/4"), 900-001
$592.96 each
In Stock
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Product Image of L5 Wi-Fi Water Leak Shutoff Valve w/ 3/4" NPT Ball Valve, VWS02Y-3/4
$251.46 each
In Stock
Get 79 by Tomorrow, Jul 2
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Product Image of WiFi Water Leak Detector Accessory Cable Sensor (5-ft), WLD3CABLE
$14.53 each
In Stock
Get 183 by Tomorrow, Jul 2
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Product Image of L1 Wi-Fi Water Leak and Freeze Detector (3 Pack), YCHW3000W3003
$197.41 each
In Stock
Get 35 by Tomorrow, Jul 2
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Product Image of Water Safety Shut-Off Valve
Water Safety Shut-Off Valve
SKU: WAGS7200-4W
Aquaguard
SKU: WAGS7200-4W
Brand: Aquaguard
(7)
$176.55 each
In Stock
Get 15 by Mon, Jul 6
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Product Image of L5 Wi-Fi Water Leak Shutoff Valve w/ 1" NPT Ball Valve, VWS02Y-1
$290.67 each
In Stock
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Product Image of Smart Leak Detector (Pack of 3), 920-005
Smart Leak Detector (Pack of 3), 920-005
SKU: 920-005
Moen
SKU: 920-005
Brand: Moen
$155.73 each
In Stock
Get 20 by Tomorrow, Jul 2
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Product Image of Sensor For LB-075-H-1LF
Sensor For LB-075-H-1LF
SKU: 7240-LB1
Taco
SKU: 7240-LB1
Brand: Taco
(3)
$34.44 each
In Stock
Get 15 by Tomorrow, Jul 2
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Product Image of Flo by Moen 1-1/4" Smart Home Water Monitoring and Leak Detection System, 900-002
$1,039.99 each
In Stock
Get 22 by Tomorrow, Jul 2
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Product Image of White Reusable Water Leak Alarm
White Reusable Water Leak Alarm
SKU: RWD21
Resideo
SKU: RWD21
Brand: Resideo
(3)
$13.34 each
In Stock
Get 60 by Tomorrow, Jul 2
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Product Image of Aquanot Flood Alert
Aquanot Flood Alert
SKU: 10-0763
Zoeller
SKU: 10-0763
Brand: Zoeller
(11)
$33.00 each
In Stock
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Product Image of LeakBreaker 3/4" NPT Water Heater Shut-Off Valve and Actuator w/ E-Link
$392.50 each
In Stock
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Product Image of Water Heater FloodStop w/ 1" Ball Valve
$276.57 each
In Stock
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Product Image of Leak Shreak Water Leak Alarm
Leak Shreak Water Leak Alarm
SKU: 1980002
Wal-rich
SKU: 1980002
Brand: Wal-rich
(2)
$20.41 each
In Stock
Get 51 by Tomorrow, Jul 2
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Product Image of Leak Alert Electronic Water Detector
Leak Alert Electronic Water Detector
SKU: 73463-ZIRCON
Zircon
SKU: 73463-ZIRCON
Brand: Zircon
$15.68 each
In Stock
Get 9 by Tomorrow, Jul 2
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Product Image of Water Heater FloodStop w/ 1-1/4" Ball Valve
$288.59 each
In Stock
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Product Image of L5 Wi-Fi Water Leak Shutoff Valve w/ 1-1/4" NPT Ball Valve, VWS02Y-11/4
$363.81 each
In Stock
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Product Image of Flo Smart Water Detector (1 Pack), 920-004
Flo Smart Water Detector (1 Pack), 920-004
SKU: 920-004
Moen
SKU: 920-004
Brand: Moen
$56.36 each
In Stock
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In Stock
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Product Image of Single Use Spot Water Leak Alarm (4-Pack)
$23.50 each
In Stock
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Product Image of Leak Sensor- Shut Off Kit, SP21111
Leak Sensor- Shut Off Kit, SP21111
SKU: SP21111
Rheem
SKU: SP21111
Brand: Rheem
(4)
$204.92 each
In Stock
Get 2 by Tomorrow, Jul 2
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Product Image of L5 Wi-Fi Water Leak Shutoff Valve w/ 1/2" NPT Ball Valve, VWS02Y-1/2
$239.79 each
In Stock
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Product Image of Water & Gas Safety Shut-Off Valve
Water & Gas Safety Shut-Off Valve
SKU: WAGS7200-5WG
Aquaguard
SKU: WAGS7200-5WG
Brand: Aquaguard
(6)
$225.63 each
In Stock
Get 9 by Tomorrow, Jul 2
In Stock
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Product Image of 3/4" LFWDS-E220 Lead Free FloodSafe Electric Water Shutoff (220v)
$809.78 each
Out of Stock
Get it by Fri, Jul 17 - Fri, Jul 24
Out of Stock
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Product Image of 6' Sensing Cable for Smart Leak Detector, 920-006
$26.23 each
In Stock
Get 4 by Mon, Jul 6
In Stock
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Product Image of Water Leak Sensing Alarm w/ Cable
$27.77 each
In Stock
Get 1 by Tomorrow, Jul 2
In Stock
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Product Image of Flo Installation Tool, 930-004
Flo Installation Tool, 930-004
SKU: 930-004
Moen
SKU: 930-004
Brand: Moen
$75.75 each
In Stock
Get 10 by Fri, Jul 3
In Stock
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Product Image of Single Use Water Leak Alarm
Single Use Water Leak Alarm
SKU: RWD11
Resideo
SKU: RWD11
Brand: Resideo
$9.46 each
In Stock
Get 20 by Tomorrow, Jul 2
In Stock
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Product Image of WiFi Actuator w/ Leak Detector and 1" NPT Ball Valve
$402.00 each
In Stock
Get 1 by Tomorrow, Jul 2
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Product Image of Flo Install Spacer Kit (npt), 930-001
Flo Install Spacer Kit (npt), 930-001
SKU: 930-001
Moen
SKU: 930-001
Brand: Moen
(1)
$57.69 each
In Stock
Get 2 by Tomorrow, Jul 2
In Stock
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Product Image of Water Heater FloodStop w/ 3/4" Compression Fitting
$252.52 each
In Stock
Get 11 by Tue, Jul 7
In Stock
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Product Image of WiFi Actuator w/ Leak Detector and 3/4" NPT Ball Valve
$357.37 each
In Stock
Get 5 by Tomorrow, Jul 2
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Product Image of Shutoff Installation Spacer Kit, 1.25" CC for Flo Smart Water Monitor, 930-006
$119.00 each
In Stock
Get 3 by Tue, Jul 7
In Stock
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Product Image of  1" NPT Flo Installation Tool, 930-003
1" NPT Flo Installation Tool, 930-003
SKU: 930-003
Moen
SKU: 930-003
Brand: Moen
$69.33 each
Out of Stock
Get it by Fri, Jul 17 - Fri, Jul 24
Out of Stock
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Product Image of EHPWH Leak Kit, 103000119
EHPWH Leak Kit, 103000119
SKU: 103000119
Rinnai
SKU: 103000119
Brand: Rinnai
$341.74 each
In Stock
Get 4 by Tomorrow, Jul 2
In Stock
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Product Image of Water Heater FloodStop w/ 1/2" Ball Valve
$249.24 each
Backorder
Get it by Fri, Jul 31 - Fri, Aug 28
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Product Image of Control Box with eLink (Wi-Fi)
Control Box with eLink (Wi-Fi)
SKU: 7240-008RP
Taco
SKU: 7240-008RP
Brand: Taco
$181.68 each
Backorder
Get it by Fri, Jul 31 - Fri, Aug 28
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Product Image of Water Heater FloodStop w/ 1/2" NPT, 2 Valves
$318.42 each
Out of Stock
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Out of Stock
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Product Image of WiFi Actuator w/ Leak Detector and 1/2" NPT Ball Valve
$358.50 each
In Stock
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Product Image of H2Wise+ Smart Water Leak Detection System, K-33604-NA
$555.22 each
In Stock
Get 35 by Fri, Jul 3
In Stock
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Product Image of WiFi Actuator w/ Leak Detector and 1-1/4" NPT Ball Valve
$503.69 each
In Stock
Get 1 by Tomorrow, Jul 2
In Stock
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Product Image of EZ T&P - Safe Plug Relief
EZ T&P - Safe Plug Relief
SKU: EZ-T-AND-P
Aquaguard
SKU: EZ-T-AND-P
Brand: Aquaguard
$24.99 each
In Stock
Get 5 by Mon, Jul 6
In Stock
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Product Image of Earthquake Isolation Kit, SP20882
Earthquake Isolation Kit, SP20882
SKU: SP20882
Rheem
SKU: SP20882
Brand: Rheem
$381.11 each
Backorder
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Product Image of Alert Labs Floodie Companion Sensor, ALF-000002-006
Alert Labs Floodie Companion Sensor, ALF-000002-006
SKU: ALF-000002-006
Carrier
SKU: ALF-000002-006
Brand: Carrier
$122.99 each
Backorder
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Product Image of L5 Wi-Fi Actuator, VB-SP02Y-002
L5 Wi-Fi Actuator, VB-SP02Y-002
SKU: VB-SP02Y-002
Resideo
SKU: VB-SP02Y-002
Brand: Resideo
(1)
$214.19 each
Backorder
Get it by Fri, Jul 31 - Fri, Aug 28
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More About Water Heater Leak Detectors
This category contains a variety of water heater leak detectors.