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Liquid Level Sensors
  • LLS-SS3 Water Float Level Sensor SS3 for HVAC Drain Pan Condensate Oerflow Switch
  • LLS-SS3 Water Float Level Sensor SS3 for HVAC Drain Pan Condensate Oerflow Switch
  • LLS-SS3 Water Float Level Sensor SS3 for HVAC Drain Pan Condensate Oerflow Switch
  • LLS-SS3 Water Float Level Sensor SS3 for HVAC Drain Pan Condensate Oerflow Switch
  • LLS-SS3 Water Float Level Sensor SS3 for HVAC Drain Pan Condensate Oerflow Switch
LLS-SS3 Water Float Level Sensor SS3 for HVAC Drain Pan Condensate Oerflow Switch
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LLS-SS3 Water Float Level Sensor SS3 for HVAC Drain Pan Condensate Oerflow Switch

  • 1 - 4999 Pieces
    $3.50
  • >= 5000 Pieces
    $3
View product details

LLS-SS3 Water Float Level Sensor SS3 for HVAC Drain Pan Condensate Oerflow Switch

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Water Level Detection: The LLS-SS3 Water Float Level Sensor uses a float mechanism to monitor water levels in containers, tanks, or HVAC drain pans, triggering alerts or automated responses when overflow occurs.
  • Safety Switch Activation: Designed as an overflow safety switch, it automatically shuts off systems or signals alarms to prevent water damage in critical applications like HVAC condensate drainage.

Key features

  • 1. Corrosion-Resistant Material Technology

    • With a corrosion-resistant metal mounting bracket and buoyant float, the LLS-SS3 ensures long-term durability in harsh environments like HVAC drain pans. The bracket’s rust-resistant design outlasts plastic alternatives*, providing reliable operation in wet or chemically exposed settings.

  • 2. Proven Float Mechanism for Reliable Detection

    • With a classic float-based detection system, the sensor delivers consistent accuracy without complex electronics. Its straightforward design reduces maintenance needs compared to sensor models reliant on fragile components*.

  • 3. Flexible Installation via Long Insulated Cable

    • With a 2-meter insulated cable, you can install the sensor remotely from control units, offering 30% more installation flexibility than standard 1.5-meter cables*. The durable wiring ensures safe, interference-free operation.

  • 4. Customizable for Diverse Applications

    • With adjustable float sizes and adaptable mounting brackets, the LLS-SS3 suits both HVAC drain pans and industrial tanks. Its modular design enables quick customization for commercial or residential systems*, unlike one-size-fits-all sensors.

  • 5. Compliance with Industry Safety Standards

    • Designed to meet safety standards for HVAC and liquid level monitoring, the sensor prioritizes user safety. Its materials and construction align with certifications for corrosion resistance and electrical safety*, ensuring peace of mind for critical applications.

Product details

LLS-SS3 Water Float Level Sensor SS3 for HVAC Drain Pan Condensate Oerflow Switch

The LLS-SS3 Water Float Level Sensor SS3 is a durable, reliable float-based sensor designed for detecting water levels in HVAC drain pans and preventing condensate overflow. Its corrosion-resistant materials and customizable mounting options ensure adaptability across industrial, commercial, and residential applications.

Technical specifications

FeatureSpecificationApplication Scenario
MaterialCorrosion-resistant plastic/metal bodyWithstands harsh environments in HVAC systems
Mounting TypeOverflow safety switch with adjustable bracketSecures to drain pans or tank walls for reliable overflow detection
TechnologyFloat mechanism (buoyancy-based)Ensures precise level detection in tanks, aquariums, or water reservoirs
Cable Length3m insulated black cableEnables flexible installation away from control units
Connector TypeStandard waterproof connectorsSafely integrates with control systems in wet areas
CertificationsIP67 waterproof ratingMeets industrial safety standards for water exposure

Customization guide

Adjustable float dimensions and mounting bracket angles to fit tank sizes (e.g., 10-50cm depth ranges) or wall types (e.g., metal, plastic). Customize cable length (+50cm increments) for remote installations.

Get inspired

With its rugged design and float-based detection, the LLS-SS3 is ideal for automating water level management in HVAC systems, irrigation tanks, or aquariums. Its adaptable mounting and long cable provide installation flexibility for diverse environments.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Response Time2-3 seconds+15% faster+30% faster*
Accuracy±5mm±2mm±1mm
Material Durability3-year corrosion resistance5-year rating10-year rating*
CertificationsIP67IP68 + UL ListedIP68 + ATEX Zone 2

Supplier's note

  1. Technical Breakthroughs:

    • Corrosion-resistant materials: The Pro Model’s 10-year durability rating outperforms industry standards, ideal for marine or chemical storage.
    • Precision float mechanism: The Advanced Model’s ±2mm accuracy ensures reliable control in industrial processes like chemical mixing.
    • Extended cable length: With 3m standard, users gain flexibility for remote setups compared to 1.5m in legacy models.

  2. Version Selection Guide:

    • Base Model: Best for basic overflow prevention in HVAC systems or home appliances where cost-efficiency is prioritized.
    • Advanced Model: Suited for commercial applications requiring precise control (e.g., breweries, irrigation systems) with enhanced safety certifications.
    • Pro Model: Recommended for harsh environments (e.g., offshore platforms, chemical plants) needing extreme durability and explosion-proof compliance.

With the Pro Model’s ATEX certification, you can safely monitor water levels in volatile industrial settings. Pair its 10-year corrosion resistance with ±1mm accuracy to maintain critical process stability.

Frequently asked questions

  • Which water level sensor is best for HVAC drain pan overflow protection?

  • How do I clean and maintain the LLS-SS3 float sensor?

  • Why is the LLS-SS3 made with corrosion-resistant materials instead of plastic?

  • Can the LLS-SS3’s mounting bracket be adjusted for different drain pan sizes?

  • Is the LLS-SS3 certified for use in HVAC systems?

  • What makes the LLS-SS3’s float mechanism reliable for condensate overflow detection?

  • How does the long cable of the LLS-SS3 aid in HVAC system installation?

  • What applications besides HVAC can the LLS-SS3 float sensor be used for?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Float Level SensorsHVAC drain pans, aquariums, industrial tanksFloat mechanism (ASTM D543 compliant material) ▲ Customizable float size (Advanced) ▲ IP67-rated mounting ▲ 5m cable (Advanced vs 3m Base)Low cost, reliable in varying temperatures, simple installation, customizable for precisionMechanical wear over time (reduced in Advanced with corrosion-resistant materials)
Ultrasonic SensorsTanks with agitated liquid, non-contact measurement40kHz frequency (±1mm accuracy, IP65) ▲ Longer range (Advanced: 10m vs 5m Base)No contact, high accuracy, works in harsh environmentsSusceptible to interference, higher cost, requires calibration
Capacitive SensorsConductive liquids, corrosive environmentsDielectric constant detection (IP68, ±2mm accuracy) ▲ Enhanced chemical resistance (Advanced)No moving parts, durable in corrosive settingsAffected by dielectric changes, limited to conductive liquids
Magnetic SensorsOpen tanks, side-mounted monitoringStainless steel float (ASTM A240) ▲ Visual level indication ▲ IP68-rated housing (Advanced)Visual confirmation, reliable, no electrical componentsRequires open tank access, mechanical parts prone to wear
Submersible Pressure SensorsDeep tanks, high-pressure systemsPressure transducer (0–10m range, ±0.5% accuracy) ▲ Submersible up to 20m (Advanced)High-pressure tolerance, submersible designBulky, requires calibration, limited to conductive liquids
Optical SensorsClear liquids, precision applicationsLED/photodiode (±0.1mm accuracy, IP67) ▲ Self-cleaning lens (Advanced)Ultra-precise, fast responseSusceptible to dirt, high cost, requires clear liquid visibility

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