Blue Sea Systems
Blue Sea 1821 Universal Temperature Sensor [1821]
$27.99
- SKU:
- 64340
- UPC:
- 632085018214
- Condition:
- Brand New
- Availability:
- In Stock
![Blue Sea Systems Blue Sea 1821 Universal Temperature Sensor [1821] MyGreenOutdoors](https://cdn11.bigcommerce.com/s-ktouu2lc/images/stencil/1280x1280/products/30743/108610/Blue-Sea-1821-Universal-Temperature-Sensor-1821_32890__76740.1715966249.jpg?c=2?imbypass=on "Blue Sea Systems Blue Sea 1821 Universal Temperature Sensor [1821] MyGreenOutdoors")
30-Day Returns Policy
Authorized Dealer
Free Shipping*
Financing AvailableDescription
Universal Temperature Sensor
Use with the P12 Charger, M2 OLED, and Mini OLED Meters
- Includes double-sided tape
- Waterproof design
- Temperature Range: -40°F to 300°F (-40°C to 150°C)
- Wire Length: 18"
WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.
Related Products
![Blue Sea Systems Blue Sea 1820 VSM 422 Battery Temperature Sensor [1820] 1820 MyGreenOutdoors](https://cdn11.bigcommerce.com/s-ktouu2lc/images/stencil/590x590/products/6558/100229/Blue-Sea-1820-VSM-422-Battery-Temperature-Sensor-1820_6816__79280.1715932746.jpg?c=2 "Blue Sea Systems Blue Sea 1820 VSM 422 Battery Temperature Sensor [1820] 1820 MyGreenOutdoors")
Blue Sea Systems
Blue Sea 1820 VSM 422 Battery Temperature Sensor [1820]
$33.99
1820 Submersible Temperature SensorFeatures:General temperature sensor designed to work for most applications.Easy double-sided tape installationFully Submersible (IP68)Wires connect in either...
![Blue Sea Systems Blue Sea 1741200 Mini OLED Temperature Monitor - Blue [1741200] MyGreenOutdoors](https://cdn11.bigcommerce.com/s-ktouu2lc/images/stencil/590x590/products/51948/117540/Blue-Sea-1741200-Mini-OLED-Temperature-Monitor-Blue-1741200_57480__14358.1716001854.jpg?c=2 "Blue Sea Systems Blue Sea 1741200 Mini OLED Temperature Monitor - Blue [1741200] MyGreenOutdoors")
Blue Sea Systems
Blue Sea 1741200 Mini OLED Temperature Monitor - Blue [1741200]
$108.99
1741200 Mini OLED Temperature Monitor - BlueMonitors essential electrical system parameters on a bright, waterproof, daylight readable OLED screen.Features:Compact size enables mounting in any...
Out of Stock
![Blue Sea Systems Blue Sea 1841 M2 OLED Temperature Monitor [1841] MyGreenOutdoors](https://cdn11.bigcommerce.com/s-ktouu2lc/images/stencil/590x590/products/29763/108265/Blue-Sea-1841-M2-OLED-Temperature-Monitor-1841_31916__49309.1715964774.jpg?c=2 "Blue Sea Systems Blue Sea 1841 M2 OLED Temperature Monitor [1841] MyGreenOutdoors")
Blue Sea Systems
Blue Sea 1841 M2 OLED Temperature Monitor [1841]
$393.14
$302.99
M2 OLED Temperature MonitorThe M2 Organic LED Digital Monitor measures essential electrical system parameters with adjustable alarms and an auto-dimming display. The M2 Monitors include a MOSFET...
![Blue Sea Systems Blue Sea 1741 Mini OLED Temperature Meter [1741] MyGreenOutdoors](https://cdn11.bigcommerce.com/s-ktouu2lc/images/stencil/590x590/products/29762/108264/Blue-Sea-1741-Mini-OLED-Temperature-Meter-1741_31915__66940.1715964770.jpg?c=2 "Blue Sea Systems Blue Sea 1741 Mini OLED Temperature Meter [1741] MyGreenOutdoors")
Blue Sea Systems
Blue Sea 1741 Mini OLED Temperature Meter [1741]
$108.99
Mini OLED Temperature MeterMonitors essential electrical system parameters on a bright, waterproof, daylight readable OLED screenCompact size enables mounting in any convenient locationReverse...
![Dolphin Charger Temperature Sensor [99047]](https://cdn11.bigcommerce.com/s-ktouu2lc/images/stencil/590x590/products/75065/141926/105888XL__53659.1728081712.jpg?c=2 "Dolphin Charger Temperature Sensor [99047]")
Dolphin Charger
Dolphin Charger Temperature Sensor [99047]
$84.99
Temperature SensorDolphin Charger Temperature Sensor for Pro Chargers and Bat View.
Xantrex
Battery Temperature Sensor for XC Chrgr
$68.99
Battery Temperature Sensor (BTS)Designed for use with TRUECharge2 battery chargers.The BTS mounts on a terminal post of a battery in a bank or on the side of a battery and measures its temperature...
![Mastervolt Mastervolt Alternator Temperature Sensor [41500400] MyGreenOutdoors](https://cdn11.bigcommerce.com/s-ktouu2lc/images/stencil/590x590/products/56277/120006/Mastervolt-Alternator-Temperature-Sensor-41500400_70995__45167.1716011347.jpg?c=2 "Mastervolt Mastervolt Alternator Temperature Sensor [41500400] MyGreenOutdoors")
Mastervolt
Mastervolt Alternator Temperature Sensor [41500400]
$31.99
Alternator Temperature SensorWhen using the Alpha Pro in combination with non-Mastervolt alternators, this alternator temperature sensor may offer additional protection against over heating.
![Ancor Ancor Dark Blue 16 AWG Tinned Copper Wire - 25' [182103] 182103 MyGreenOutdoors](https://cdn11.bigcommerce.com/s-ktouu2lc/images/stencil/590x590/products/25339/107164/Ancor-Dark-Blue-16-AWG-Tinned-Copper-Wire-25-182103_27386__05575.1715960112.jpg?c=2 "Ancor Ancor Dark Blue 16 AWG Tinned Copper Wire - 25' [182103] 182103 MyGreenOutdoors")
Ancor
Ancor Dark Blue 16 AWG Tinned Copper Wire - 25' [182103]
$20.99
Dark Blue 16 AWG Tinned Copper Wire - 25'Ancor Marine Grade wire products are the longest lasting and most rugged available, exceeding UL 1426, ABYC and US Coast Guard Charter boat (CFR Title 46)...
![Maretron Maretron Temperature Sensor f/ DCM100 [TR3K] TR3K MyGreenOutdoors](https://cdn11.bigcommerce.com/s-ktouu2lc/images/stencil/590x590/products/4496/99245/Maretron-Temperature-Sensor-f-DCM100-TR3K_4738__31273.1715928929.jpg?c=2 "Maretron Maretron Temperature Sensor f/ DCM100 [TR3K] TR3K MyGreenOutdoors")
Maretron
Maretron Temperature Sensor f/ DCM100 [TR3K]
$60.99
The TR3K temperature probe is for use with the Maretron TMP100 Temperature Module (optional extra) or the DCM100 DC Monitor (it is included with the DCM100). This probe ends in a ring terminal and...