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Drain Switches & Sensors

15 Products

Protect HVAC systems from water overflow with our dependable drain switches. These safety devices detect rising condensate levels and shut off the system to prevent damage. Pair with pans, pumps, and drains for a complete setup.  
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24V Safety Overflow Switch
Diversitech
SKUSOS-1

$36.30

each
4 In Stock
or for lower prices and free shipping.
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AC Shut-Off Switch, 24 VDC
Diversitech
SKUCS1200

$22.54

each
13 In Stock
or for lower prices and free shipping.
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AquaGuard Magnetic Float Switch, 24 VAC
RectorSeal
SKUAG-1200+

$24.23

each
36 In Stock

Bulk discount may be available, please contact our support team for details.

or for lower prices and free shipping.
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Condensate Cop Drain Pan Switch, 24 VAC, 1.5 A
Diversitech
SKUCC-1

$17.07

each
37 In Stock
or for lower prices and free shipping.
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Condensate Overflow Auxiliary Safety Switch
LittleGIANT
SKUACS-2

$13.18

each
20 In Stock
or for lower prices and free shipping.
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Condensate Switch-Clip, 24 VAC
Diversitech
SKUCS-3

$16.19

each
6 In Stock
or for lower prices and free shipping.
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EZ TRAP Compact Overflow Switch, 24 VAC, 4 A
RectorSeal
SKUEZT-226

$37.84

each
1 In Stock
or for lower prices and free shipping.
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Flood Prevention Switch
Diversitech
SKUCS-2

$26.75

each
7 In Stock
or for lower prices and free shipping.
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L1 Wifi Water Leak Detector And Freeze Protector
Honeywell
SKUCHW3610W8001

$55.51

each
20 In Stock
or for lower prices and free shipping.
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Primary Pan Sensor, 24 VAC
RectorSeal
SKUAG-4200E

$35.19

each
25 In Stock
or for lower prices and free shipping.
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Safe-T-Switch Condensate Overflow Shut-Off Switch
RectorSeal
SKUSS2

$26.68

each
23 In Stock

Bulk discount may be available, please contact our support team for details.

or for lower prices and free shipping.
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Safe-T-Switch Condensate Overflow Shut-Off Switch, 24 VAC
RectorSeal
SKU97632

$36.75

each
40 In Stock

Bulk discount may be available, please contact our support team for details.

or for lower prices and free shipping.
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Safe-T-Switch SSW Electronic Overflow Switch
RectorSeal
SKU97092

$83.22

each
19 In Stock

Bulk discount may be available, please contact our support team for details.

or for lower prices and free shipping.
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Wet Switch Flood Detector, 24 VAC
Diversitech
SKUWS-1

$92.29

each
103 In Stock
or for lower prices and free shipping.
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Wifi Water Sensor & Switch
Honeywell
SKUTWLD3005-001

$76.62

each
9 In Stock
or for lower prices and free shipping.