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            "name": "KUS water temperature sensor",
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            "sku": "33100",
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            "description": "#### **KUS Marine Coolant Temperature Sensor – Precise Engine Temperature Measurement for Inboard and Outboard Engines**\n\nPrevent major engine damage caused by unnoticed overheating! The original **KUS coolant temperature sensors** continuously measure the thermal load directly within the internal cooling circuit of your boat’s engine. They convert temperature readings into the standardized analog resistance range of **300 to 23 ohms**. This makes these sensors the precise, reliable partners for all analog and digital KUS coolant temperature gauges (40–120°C) at your helm.\n\nThe extremely wide range includes metric and imperial threads as well as various shaft lengths to ensure a perfect fit in engine blocks from well-known manufacturers (e.g., Volvo Penta, Yanmar, MerCruiser, Yamaha, Mercury). The housings, made of high-purity marine brass, guarantee excellent thermal conductivity for lightning-fast response times in the event of thermal issues.\n\n---\n\n#### 📐 **A direct comparison of the 4 KUS sensor types:**\n\nPlease measure the thread, the sensor diameter (Ø), and the required shaft length (L1) on your engine block before purchasing:\n\n- **Type I & Type II (Standard):** Classic analog temperature sensors without an additional integrated alarm contact. Type II features an extended housing.\n- **Type III (Combination Sensor with Warning Contact):** These models have a 2-pin connector. They provide a continuous clock signal AND, when the limit temperature is reached (95°C, 98°C, or 107°C, depending on the variant), close an internal switch to activate a separate warning buzzer or an alarm LED.\n- **Type IV (Special Dimensions / NPT):** Optimized probe lengths with American NPT tapered threads for U.S. engine systems.\n\n---\n\n#### **Advantages & Technical Highlights at a Glance:**\n\n- **Highest signal precision:** Precisely calibrated to the KUS characteristic curve (approx. 300 ohms at 40°C to 23 ohms at 120°C) for an absolutely flicker-free digital or analog display.\n- **Rugged marine brass:** Completely corrosion-resistant against hot coolant, antifreeze, engine oils, and salty bilge moisture.\n- **Fully encapsulated, IP67 protection rating:** The connector head is completely sealed against dust and water—providing maximum protection against leakage currents and oxidized contacts.\n- **Universal compatibility:** Can be used without restriction in all **12-volt and 24-volt** onboard systems.\n\n---\n\n#### 🛠️ **Accessory tip from Tenten-Boats:**\n\nDo you already have the right gauge? Order the visually perfectly matched **KUS analog coolant temperature gauge (52 mm)** or the modern **KUS** digital **LCD coolant temperature gauge** right along with it!\n\n---\n\n#### **Technical Data (Specifications):**\n\n**KUS Type**\n**Thread Size**\n**Sensor (Ø)**\n**Shaft Length (L1)**\n**Overall Length (L2)**\n**Safety Alarm**\n\n**Type I** (Standard)\n**M14 x 1.0**\n7.5 mm\n28.5 mm\n41.0 mm\nwithout alarm contact\n\n**Type I** (Standard)\n**M14 x 1.5**\n7.5 mm\n28.5 mm\n41.0 mm\nwithout alarm contact\n\n**Type I** (Standard)\n**M16 x 1.5**\n7.5 mm\n28.5 mm\n41.0 mm\nwithout alarm contact\n\n**Type I** (Standard)\n**M18 x 1.5**\n7.5 mm\n28.5 mm\n41.0 mm\nwithout alarm contact\n\n**Type I** (Standard)\n**3/8\"–18 NPT**\n7.5 mm\n28.5 mm\n41.0 mm\nwithout alarm contact\n\n**Type II** (Extended)\n**M14 x 1.5**\n13.0 mm\n28.5 mm\n58.7 mm\nwithout alarm contact\n\n**Type II** (Extended)\n**M16 x 1.5**\n13.0 mm\n28.5 mm\n58.7 mm\nwithout alarm contact\n\n**Type II** (Extended)\n**3/8\"-18 NPT**\n13.0 mm\n28.5 mm\n58.7 mm\nwithout alarm contact\n\n**Type III** (Combination / Alarm)\n**M14 x 1.5**\n10.7 mm\n41.0 mm\n71.5 mm\n**Integrated alarm at 95°C**\n\n**Type III** (Combination / Alarm)\n**M16 x 1.5**\n10.7 mm\n41.0 mm\n71.5 mm\n**Integrated alarm at 107°C**\n\n**Type III** (Combination / Alarm)\n**3/8\"-18 NPT**\n10.7 mm\n41.0 mm\n71.5 mm\n**Integrated alarm at 98°C**\n\n**Type IV** (U.S. Special)\n**1/8\"-27 NPT**\n8.0 mm\n27.0 mm\n51.5 mm\nwithout alarm contact\n\n**Type IV** (U.S. Special)\n**1/2\"-14 NPT**\n8.0 mm\n30.0 mm\n54.0 mm\nwithout alarm contact\n\n**Parameters**\n**Specification / Value**\n\n**Manufacturer / Brand**\nKUS\n\n**Output Signal**\nAnalog resistance signal (300–23 ohm characteristic curve)\n\n**Measuring range**\n+40°C to +120°C\n\n**Housing Material**\nHigh-quality, thermally conductive marine brass\n\n**Protection class (head)**\nIP67 (water- and dust-tight encapsulated)\n\n**Voltage**\n12 V / 24 V universal operation",
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