Top 20 Best Selling Flow Switches Hydraulics, Pneumatics & Plumbing (2019)




FS-380P Series - Industrial Strength Inline Plastic Flow Switch. This rugged inline flow switch offers the same superior performance to non-clogging as its metal cousin (FS-380). The fixed set point and simple design make it a dependable switch. The FS-38 ... more info

FS-380P Series - Industrial Strength Inline Plastic Flow Switch. This rugged inline flow switch offers the same superior performance to non-clogging as its metal cousin (FS-380). The fixed set point and simple design make it a dependable switch. The FS-38 ... more info


FS-380P Series – Industrial Strength Inline Plastic Flow Switch. This rugged inline flow switch offers the same superior performance to non-clogging as its metal cousin (FS-380). The fixed set point and simple design make it a dependable switch. The FS-38 ... more info


FS-380P Series – Industrial Strength Inline Plastic Flow Switch. This rugged inline flow switch offers the same superior performance to non-clogging as its metal cousin (FS-380). The fixed set point and simple design make it a dependable switch. The FS-38 ... more info



Gems Series 26M is designed for low-water cutoff protection. This control meets CSD1 requirements for boiler low water cutoff. Series 26M features powered contacts. Modular plug-in design. Low voltage sensor. 11-Pin Socket. Solid state reliability. LED Mo ... more info

Gems single point level switch. Level monitoring and temperature switch in a single unit. Intermediate in size. These units are ideal for use in oils and water. Single-setting temperature sensor is in bottom of stem. Brass steam and mounting. 0.75 Minimum ... more info



These compact pressure switches are designed for OEM applications. Made economical with metal blade contacts in lieu of microswitches, these switches feature kapton diaphragms. Kapton polyimide maintains excellent physical properties over a wide temperatu ... more info

FS-500 Series – Low Cost Units for Threaded Plastic Piping. The FS-500 offers low cost flow monitoring with a variety of switch actuation points and low pressure drop. All wetted parts are polypropylene or stainless steel, making this switch ideal for a w ... more info



CARLING TECHNOLOGIES 651122-BB-1V SWITCH, ROCKER, SPST, 12A, 250V, BLACK ... more info


Style L oilers are used extensively on motors and small machinery requiring side oiling and extremely low cost. Zinc plated 1-piece die-casting has flat wrench hold on most style L screw-type oilers. ... more info


Gems Polypropylene float single point level switch with type 3 internal mounting. Ls-7 series compact side mounts are the solution to many small tanks. These low-cost units are ideal for high volume use in small tanks and vessels. Engineered plastics cons ... more info

Designed for rugged industrial applications, these breathers maintain safe, equalized pressure in a unit even when it is being filled or under sudden changes in ambient temperature. Style 1633 has a screen plus two layers of nylon for filtration. ... more info




The glass window is fused directly to the body to make a leak tight unit without the use of elastomer O rings or gaskets. Bodies are plated and have hexagon heads with pipe thread stems. Not for air service. The hydrostatic pressures the units are designe ... more info

To control depth of insertion use these oil hole covers with beaded side wall which provides a definite insertion limit. Zinc plated. Tapered shanks seat snugly within a drilled hole. ... more info

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