Blue Sea Systems
Blue Sea Systems 1821 Blue Sea 1821 Universal Temperature Sensor
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- SKU:
- 18007277
- MPN:
- 1821_92
- Availability:
- Usually ships the same or next business day. In stock at our FL, NJ warehouses.
- Shipping:
- Calculated at Checkout
- Stock Update:
- 10/27/2026 04:16:11 AM PST
Bulk discount rates
Below are the available bulk discount rates for each individual item when you purchase a certain amount
| Buy 2 | and pay only $20.22 each 20.22 |
| Buy 3 | and pay only $18.58 each 18.58 |
| Buy 4 | and pay only $17.07 each 17.07 |
| Buy 5 or above | and pay only $16.58 each 16.58 |
- Stock Update:
- 10/27/2026 04:16:11 AM PST
Frequently bought together:
Description
This item is brand-new, factory sealed.
Blue Sea Systems High Temp Temperature Sensor
Model: 1821-SS- Designed for sensing Raw Water Exhaust without drilling holes. Strap sensor to the outside of the pipe for accurate readings of Raw Water Exhaust temperature.
- Multiple mounting options
- Non-submersible IP65 — protected against jets of water
- Wires connect in either order
- Works will all Blue Sea Systems products that require a temperature sensor.
| Temperature Range | -40°F to 300°F (-40°C to 150°C) |
| Wire Length | 18 in (45.72 cm) |
| Wire Size | 16 AWG |
| Weight | 0.20lb (0.09 kg) |
Warranty Information
All Items are Brand New, Factory Sealed and come with a standard warranty. [Read our policies]
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Blue Sea Systems 1821 Blue Sea 1821 Universal Temperature Sensor
$25.27