
Liebert 1A18660P1S Switch
The Liebert 1A18660P1S is a critical OEM liquid level float switch engineered for precision monitoring in high-demand HVACR environments. Designed specifically for Liebert Challenger 3000 and IR humidifier assemblies, this direct replacement float switch (replaces part 1A18660P1) ensures operational integrity by managing fluid levels within tanks and drain pans. It functions by opening or closing electrical circuits when levels fluctuate outside of set parameters, mitigating the risk of overflow or dry-run conditions in precision air conditioning systems. Constructed with durable, corrosion-resistant materials, this switch is UL-recognized and built for longevity in data centers and industrial process control applications. Its compact footprint allows for seamless integration into confined Cabinet assemblies, providing technicians with a reliable solution for water level detection. By maintaining tight control over condensate management and humidifier water supply, the 1A18660P1S protects sensitive electronic equipment from moisture damage and ensures consistent humidity regulation.
Key Benefits- Direct OEM Compatibility: Engineered specifically for Liebert precision cooling systems, ensuring exact fit and factory-spec performance.
- Industrial-Grade Reliability: Rugged float mechanism detects varying liquid densities, providing accurate switching even in demanding environments.
- System Protection: Effectively prevents pan overflows and equipment downtime by providing immediate liquid level monitoring feedback.
- High-Performance Switching: Features a responsive design that triggers circuit changes at precise set points for humifiers and cooling units.
Is the 1A18660P1S compatible with legacy Liebert Challenger systems?
Yes, this switch is specifically designed for use with the Challenger 3000 series and serves as a direct replacement for legacy part number 1A18660P1.
Can this float switch be used in both humidifiers and drain pans?
It is primarily utilized within IR humidifier assemblies and precision unit drain pans to monitor water levels and signal the controller to prevent overflows.
Does this switch require specific mounting orientation?
For accurate HVAC water level sensing, the switch must be installed according to the manufacturer’s specifications to ensure the float mechanism moves freely through its vertical range.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Original: $202.24
-65%$202.24
$70.78Liebert 1A18660P1S Switch
The Liebert 1A18660P1S is a critical OEM liquid level float switch engineered for precision monitoring in high-demand HVACR environments. Designed specifically for Liebert Challenger 3000 and IR humidifier assemblies, this direct replacement float switch (replaces part 1A18660P1) ensures operational integrity by managing fluid levels within tanks and drain pans. It functions by opening or closing electrical circuits when levels fluctuate outside of set parameters, mitigating the risk of overflow or dry-run conditions in precision air conditioning systems. Constructed with durable, corrosion-resistant materials, this switch is UL-recognized and built for longevity in data centers and industrial process control applications. Its compact footprint allows for seamless integration into confined Cabinet assemblies, providing technicians with a reliable solution for water level detection. By maintaining tight control over condensate management and humidifier water supply, the 1A18660P1S protects sensitive electronic equipment from moisture damage and ensures consistent humidity regulation.
Key Benefits- Direct OEM Compatibility: Engineered specifically for Liebert precision cooling systems, ensuring exact fit and factory-spec performance.
- Industrial-Grade Reliability: Rugged float mechanism detects varying liquid densities, providing accurate switching even in demanding environments.
- System Protection: Effectively prevents pan overflows and equipment downtime by providing immediate liquid level monitoring feedback.
- High-Performance Switching: Features a responsive design that triggers circuit changes at precise set points for humifiers and cooling units.
Is the 1A18660P1S compatible with legacy Liebert Challenger systems?
Yes, this switch is specifically designed for use with the Challenger 3000 series and serves as a direct replacement for legacy part number 1A18660P1.
Can this float switch be used in both humidifiers and drain pans?
It is primarily utilized within IR humidifier assemblies and precision unit drain pans to monitor water levels and signal the controller to prevent overflows.
Does this switch require specific mounting orientation?
For accurate HVAC water level sensing, the switch must be installed according to the manufacturer’s specifications to ensure the float mechanism moves freely through its vertical range.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
The Liebert 1A18660P1S is a critical OEM liquid level float switch engineered for precision monitoring in high-demand HVACR environments. Designed specifically for Liebert Challenger 3000 and IR humidifier assemblies, this direct replacement float switch (replaces part 1A18660P1) ensures operational integrity by managing fluid levels within tanks and drain pans. It functions by opening or closing electrical circuits when levels fluctuate outside of set parameters, mitigating the risk of overflow or dry-run conditions in precision air conditioning systems. Constructed with durable, corrosion-resistant materials, this switch is UL-recognized and built for longevity in data centers and industrial process control applications. Its compact footprint allows for seamless integration into confined Cabinet assemblies, providing technicians with a reliable solution for water level detection. By maintaining tight control over condensate management and humidifier water supply, the 1A18660P1S protects sensitive electronic equipment from moisture damage and ensures consistent humidity regulation.
Key Benefits- Direct OEM Compatibility: Engineered specifically for Liebert precision cooling systems, ensuring exact fit and factory-spec performance.
- Industrial-Grade Reliability: Rugged float mechanism detects varying liquid densities, providing accurate switching even in demanding environments.
- System Protection: Effectively prevents pan overflows and equipment downtime by providing immediate liquid level monitoring feedback.
- High-Performance Switching: Features a responsive design that triggers circuit changes at precise set points for humifiers and cooling units.
Is the 1A18660P1S compatible with legacy Liebert Challenger systems?
Yes, this switch is specifically designed for use with the Challenger 3000 series and serves as a direct replacement for legacy part number 1A18660P1.
Can this float switch be used in both humidifiers and drain pans?
It is primarily utilized within IR humidifier assemblies and precision unit drain pans to monitor water levels and signal the controller to prevent overflows.
Does this switch require specific mounting orientation?
For accurate HVAC water level sensing, the switch must be installed according to the manufacturer’s specifications to ensure the float mechanism moves freely through its vertical range.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.












