Johnson Controls F261KAH-V01C Flow Switch

The Johnson Controls F261KAH-V01C Flow Switch is a heavy-duty liquid flow switch engineered to provide reliable signal transmission to HVACR controls and industrial equipment. This unit serves as the direct OEM replacement for legacy models F61KB-11, F61FB-1, and IFS-1. Equipped with a NEMA 3R enclosure, it is suitable for indoor and outdoor installations where protection against rain or moisture is required. The internal SPDT switch supports high-capacity electrical loads across a 24-240 VAC range, allowing for versatile integration into cooling tower, boiler, and chiller interlock circuits.

Designed for pipes ranging from 1" to 6", this paddle flow switch includes four interchangeable stainless steel paddles (1", 2", 3", and 6") to match specific line sizes and flow velocities. The construction features Viton diaphragms, enabling compatibility with various media including water, ethylene glycol, brine, and sea water. With a maximum fluid pressure rating of 290 psi and an operating temperature threshold of 250°F, it ensures mechanical integrity in high-demand process environments. The 1" - 11 1/2 NPT threaded connection ensures a secure, leak-proof fit for standard commercial plumbing and industrial piping systems.

• Broad Pipe Compatibility: Out-of-the-box support for 1-inch to 6-inch pipe diameters via adjustable stainless steel paddles.
• Corrosion Resistance: High-grade stainless steel components and Viton seals withstand treated water and chemical additives.
• Versatile Wiring: The SPDT contact configuration allows the switch to normally open or normally close a circuit upon sensing flow.
• Rugged Protection: UL Type 3R/4 enclosure ensures the electrical components remain dry in harsh ambient conditions ranging from -40°F to 140°F.
• High Flow Capacity: Accommodates flow rates from 4 GPM up to 760 GPM depending on pipe size and paddle configuration.

What is the maximum pressure rating for the F261KAH-V01C?
This model is rated for a maximum liquid pressure of 290 psi (20 bar), making it suitable for high-pressure hydronic systems.

Does this switch work with chlorinated pool water?
Yes, the Viton diaphragm and stainless steel paddles are resistant to common water treatments, including chlorine and bromine.

Can I use this for low-flow applications?
While designed for standard flow, proper trimming and selection of the paddle length allow for precise sensitivity in lines with specific GPM requirements.

This item is not eligible for free shipping.

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.