Looking for the best red brass sensors? We’ve got you covered with a curated list of 10 top-performing options for all your needs.
Red brass sensors are reliable and durable, making them a top choice for many applications. From liquid level sensors to flow switches, these devices ensure accurate and efficient performance.
They’re easy to install, built to last, and work in tough conditions. Whether for industrial use or home systems, red brass sensors deliver consistent results.
List of Top 10 Red Brass Sensors
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Warrick 3E1B Red Brass Liquid Level Sensor with Single Probe, 1″ NPT Male |
Sure—give me the topic or prompt, target audience, and desired style (informative, persuasive, creative, etc.), and I’ll draft it to fit your requirements while avoiding restricted terms. |
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Warrick 3E3B Red Brass Liquid Level Sensor with Three Probe, 2″ NPT Male |
The Warrick 3E3B Red Brass Liquid Level Sensor is perfect for anyone needing a reliable, compact sensor for monitoring liquid levels. Its durable design and easy attachment make it ideal for OEM applications and vessel monitoring. |
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Pxyelec 1Pcs G3/4″ Hall Effect Liquid Water Flow Sensor Brass Switch Flowmeter Counter Meter DC 5V 1-30L/min |
This Pxyelec Water Flow Sensor is perfect for anyone needing a reliable, easy-to-install flow meter for water heaters, dispensers, or vending machines. Its small size, brass material, and waterproof design make it ideal for tight spaces and long-lasting use. |
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G3/4″ Male Thread Brass Water Sensor Hall Effect Switch- Meter Flowmeter Counter for Heater |
This G3/4″ Male Thread Brass Water Sensor is perfect for anyone needing a reliable, durable water flow meter for their water heater, dispenser, or vending machine. Its small size and stable performance make it ideal for tight spaces, while its heat, pressure, and cold resistance ensure long-lasting use. |
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Warrick Level Controls – Merlo 3E3B MULTI PROBE FITTING RED BRASS |
This product is perfect for industrial businesses that need reliable liquid level control. It works well in tough conditions and fits many probe types. |
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Water Paddle Flow Control Switch, AC250V 10Bar BrassLiquid Water Sensor Controller NPT Thread Connection Automatic Paddle Type Flow Switch Red 1pc |
This Water Paddle Flow Control Switch is perfect for anyone needing a reliable and durable solution for water treatment systems, central air conditioning, or water cooling units. It’s easy to install and works well with non-corrosive liquids or gases. |
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Warrick Level Controls – Merlo 3E1B MULTI PROBE FITTING RED BRASS |
The Warrick Level Controls – Merlo 3E1B MULTI PROBE FITTING RED BRASS is perfect for anyone needing a reliable sensor. It’s ideal for simple, effective level control in various setups. |
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Warrick 3E4B Red Brass Liquid Level Sensor with Four Probe, 2-1/2″ NPT Male |
The Warrick 3E4B Red Brass Liquid Level Sensor is perfect for anyone needing a reliable, compact sensor for OEM applications. Its durable red brass body and easy attachment make it ideal for vessels with external threading. |
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GEMS FS-380 192566 Flow Switch, 1.5 GPM Fixed Setting, 1/2″ NPT Brass, Red Lead Wires, SPST NO, High-Pressure Industrial Sensor |
The GEMS FS-380 Flow Switch is perfect for industrial systems needing reliable fluid flow detection. It’s ideal for high-pressure setups like cooling systems, machinery, or equipment where accuracy and durability matter. |
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AXIOMPART 716/12800 71612800 Water Temperature Sensor Fits for 2CX 3CX 4CX 525-67 526-55 716-12800 Engine Coolant Temperature Sensor, Brass Construction with Red Connector, 1/8 NPT Thread |
This AXIOMPART Water Temperature Sensor is perfect for JCB owners who need a reliable replacement for their engine coolant temperature sensor. It’s ideal for models 2CX, 3CX, 4CX, 525-67, and 526-55, ensuring durable performance and easy installation. |
Detailed Reviews
Discover the top 10 Red Brass Sensors handpicked for reliability and performance. Each product is expert-reviewed and customer-approved, ensuring you find the perfect fit for your needs. Dive in to explore durable, efficient, and affordable options that stand out in the market.
1. Warrick 3E1B Red Brass Liquid Level Sensor with Single Probe, 1″ NPT Male

The Warrick 3E1B is a liquid level sensor with a single probe. It has a red brass body and a 1″ NPT male connection. This compact sensor is designed for OEM use.
Its die-cast aluminum housing is epoxy coated for durability. The one-piece probe ensures reliable performance. It attaches to vessels via external pipe threading.
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Perfect For:
Sure—give me the topic or prompt, target audience, and desired style (informative, persuasive, creative, etc.), and I’ll draft it to fit your requirements while avoiding restricted terms.
Ready to Purchase?
2. Warrick 3E3B Red Brass Liquid Level Sensor with Three Probe, 2″ NPT Male

The Warrick 3E3B is a red brass liquid level sensor with three probes. It’s built to measure liquid levels accurately.
Compact and durable, it features a one-piece probe and red brass body. The die-cast aluminum housing is epoxy coated for extra protection. Its 2″ NPT male threading makes attachment to vessels easy.
Designed for OEM applications, it’s reliable and efficient. The three-probe system ensures precise level detection. Its simple design fits tight spaces perfectly.
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Perfect For:
The Warrick 3E3B Red Brass Liquid Level Sensor is perfect for anyone needing a reliable, compact sensor for monitoring liquid levels. Its durable design and easy attachment make it ideal for OEM applications and vessel monitoring.
Ready to Purchase?
3. Pxyelec 1Pcs G3/4″ Hall Effect Liquid Water Flow Sensor Brass Switch Flowmeter Counter Meter DC 5V 1-30L/min

The Pxyelec G3/4″ Hall Effect Water Flow Sensor is small, durable, and easy to install. It works well under high temperatures and low water pressure. Made of brass with a waterproof design, it’s built to last.
Use it for water heaters, dispensers, or vending machines. It measures 1-30L/min and connects with three simple wires.
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Perfect For:
This Pxyelec Water Flow Sensor is perfect for anyone needing a reliable, easy-to-install flow meter for water heaters, dispensers, or vending machines. Its small size, brass material, and waterproof design make it ideal for tight spaces and long-lasting use.
Ready to Purchase?
4. G3/4″ Male Thread Brass Water Sensor Hall Effect Switch- Meter Flowmeter Counter for Heater

The G3/4″ Male Thread Brass Water Sensor is a compact and reliable device. It’s built to handle heat, pressure, and cold with ease. Its small size makes it perfect for tight spaces.
Made of high-quality brass, it meets all safety standards. It’s ideal for water heaters, dispensers, and vending machines.
With a working range of 1-30L/min and 1.75mpa pressure, it’s stable and efficient. The wiring is simple: red for power, yellow for output, and black for ground.
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Perfect For:
This G3/4″ Male Thread Brass Water Sensor is perfect for anyone needing a reliable, durable water flow meter for their water heater, dispenser, or vending machine. Its small size and stable performance make it ideal for tight spaces, while its heat, pressure, and cold resistance ensure long-lasting use.
Ready to Purchase?
5. Warrick Level Controls – Merlo 3E3B MULTI PROBE FITTING RED BRASS

Warrick Level Controls offers a multi-probe fitting made of premium red brass. This material ensures long-lasting performance in tough industrial settings.
Multi-probe compatibility allows for flexible level sensing. It works with various tank sizes and liquid types. This fitting is designed for Warrick systems, ensuring seamless integration.
The 3E3B model provides precise dimensions and secure connections. It’s built to handle harsh conditions, including temperature changes and chemical exposure. This industrial-grade component ensures consistent performance.
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Perfect For:
This product is perfect for industrial businesses that need reliable liquid level control. It works well in tough conditions and fits many probe types.
Ready to Purchase?
6. Water Paddle Flow Control Switch, AC250V 10Bar BrassLiquid Water Sensor Controller NPT Thread Connection Automatic Paddle Type Flow Switch Red 1pc

The Water Paddle Flow Control Switch is a reliable and adjustable solution for managing liquid flow. It’s easy to install and works well in various systems. Made of high-quality brass, it’s durable and built to last.
This switch is perfect for water treatment, air conditioning, and cooling units. It’s compatible with non-corrosive liquids and gases, making it a versatile choice.
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Perfect For:
This Water Paddle Flow Control Switch is perfect for anyone needing a reliable and durable solution for water treatment systems, central air conditioning, or water cooling units. It’s easy to install and works well with non-corrosive liquids or gases.
Ready to Purchase?
7. Warrick Level Controls – Merlo 3E1B MULTI PROBE FITTING RED BRASS

The Warrick Level Controls – Merlo 3E1B MULTI PROBE FITTING RED BRASS is a reliable sensor. It’s designed for accurate level control. The SKU is B222030 (PPR).
This sensor is made of durable red brass. It ensures long-lasting performance.
It’s easy to install and works efficiently. Perfect for various applications.
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Perfect For:
The Warrick Level Controls – Merlo 3E1B MULTI PROBE FITTING RED BRASS is perfect for anyone needing a reliable sensor. It’s ideal for simple, effective level control in various setups.
Ready to Purchase?
8. Warrick 3E4B Red Brass Liquid Level Sensor with Four Probe, 2-1/2″ NPT Male

The Warrick 3E4B Red Brass Liquid Level Sensor is a reliable tool for monitoring liquid levels. It features a four-probe system for accurate readings. This sensor is built to last with its durable materials.
Its compact design makes it ideal for OEM applications. The one-piece probe and red brass body ensure longevity and resistance to corrosion.
Attachment is simple with external pipe threading. This sensor is a great choice for various vessel types.
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Perfect For:
The Warrick 3E4B Red Brass Liquid Level Sensor is perfect for anyone needing a reliable, compact sensor for OEM applications. Its durable red brass body and easy attachment make it ideal for vessels with external threading.
Ready to Purchase?
9. GEMS FS-380 192566 Flow Switch, 1.5 GPM Fixed Setting, 1/2″ NPT Brass, Red Lead Wires, SPST NO, High-Pressure Industrial Sensor

The GEMS FS-380 Flow Switch is a reliable sensor for high-pressure industrial systems. It has a fixed 1.5 GPM flow setting and a 1/2″ NPT brass body for durability.
This switch features a compact piston-type design, 22 AWG red lead wires, and a 100μm filter. It handles 1500 PSI max pressure and works in extreme temperatures from -28.8°C to 135°C.
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Perfect For:
The GEMS FS-380 Flow Switch is perfect for industrial systems needing reliable fluid flow detection. It’s ideal for high-pressure setups like cooling systems, machinery, or equipment where accuracy and durability matter.
Ready to Purchase?
10. AXIOMPART 716/12800 71612800 Water Temperature Sensor Fits for 2CX 3CX 4CX 525-67 526-55 716-12800 Engine Coolant Temperature Sensor, Brass Construction with Red Connector, 1/8 NPT Thread

The AXIOMPART 716/12800 is a water temperature sensor built for JCB engines. It fits models like 2CX, 3CX, and 4CX. This sensor ensures your engine runs smoothly.
Made from premium brass, it’s durable and reliable. The red connector makes it easy to spot and secure.
With a 1/8 NPT thread, it fits perfectly and seals tightly. It monitors coolant temperature to prevent overheating and keep your engine in top shape.
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Perfect For:
This AXIOMPART Water Temperature Sensor is perfect for JCB owners who need a reliable replacement for their engine coolant temperature sensor. It’s ideal for models 2CX, 3CX, 4CX, 525-67, and 526-55, ensuring durable performance and easy installation.
Ready to Purchase?
Buying Guide
Red brass sensors are reliable and durable, making them a top choice for many uses. From liquid level sensors to flow switches, these devices ensure accurate and efficient performance.
Factors to Consider When Buying Red Brass Sensors:
– Application: Think about where you’ll use the sensor. Industrial or home systems need different features.
– Material Quality: Look for premium red brass for long-lasting performance and corrosion resistance.
– Probe Count: Choose single, three, or four-probe sensors based on your precision needs.
– Connection Type: Check for NPT male threading or other compatible fittings for easy installation.
– Durability: Ensure the sensor has epoxy-coated housing or waterproof design for tough conditions.
– Flow Range: Match the sensor’s flow rate (e.g., 1-30L/min) to your system’s requirements.
– Temperature Resistance: Pick sensors that handle high temperatures and pressure for industrial use.
– Ease of Installation: Look for compact designs and simple wiring for hassle-free setup.
– Compatibility: Ensure the sensor works with your vessel size, liquid type, or system.
– Brand Reputation: Choose trusted brands like Warrick or GEMS for reliable performance.
With these factors in mind, you’ll find the perfect red brass sensor for your needs.