Description
The Johnson Controls F59A-1 is a reliable liquid level switch engineered for sump operation in commercial and industrial HVAC and mechanical systems. Designed to monitor and respond to rising or falling liquid levels, this float-style switch provides dependable automatic control to help protect equipment and prevent overflow conditions.
Key Features
- Sump operation design for monitoring liquid levels in sumps, tanks, and reservoirs
- DPST (Double Pole, Single Throw) switching action for versatile circuit control
- Fixed mounting bracket included for secure, stable installation
- Includes 3-foot cable and two weights for precise float adjustment and buoyancy tuning
- NEMA 1 enclosure rating suitable for general-purpose indoor applications
- Dual-voltage compatibility: 120/240 VAC for flexible electrical integration
Specifications
- SKU: F59A-1
- Brand: Johnson Controls
- Switch Type: DPST (Double Pole, Single Throw)
- Application: Sump Operation / Liquid Level Control
- Voltage Rating: 120/240 VAC
- Enclosure Rating: NEMA 1
- Cable Length: 3 feet
- Includes: Fixed mounting bracket, 3′ cable, two weights
Application
The F59A-1 is ideal for use in commercial HVAC systems, boiler rooms, mechanical rooms, and industrial facilities where automatic liquid level monitoring is required. The included weights allow technicians to fine-tune the float’s operating point, ensuring accurate and consistent switching at the desired liquid level. The NEMA 1 enclosure protects internal components in dry, indoor environments, while the 120/240 VAC dual-voltage rating simplifies integration into a wide range of electrical systems.
