Walchem Preamplifier Housing, pH/ORP, ATC, 20 ft. cable, with WEL sensor

Walchem's WEL Series electrodes are cost-effective differential pH and ORP electrodes for industrial applications. They are modular in design with a rugged CPVC housing that contains the electronics; pH and ORP cartridges can easily be connected or replaced in minutes without tools.

Walchem Sensor, Contacting Conductivity
Electrode, Boiler/Condensate, no Junction Box  

Epoxy encapsulated solenoid valves for cooling tower and boiler applications. Solenoid Valves for Cooling Tower and Boiler Applications

Walchem’s economical Tri-Purpose Valves are three valves in one. 

Three powerful control outputs make the Walchem W100W a more versatile, high value choice among entry level water treatment controllers.

The Walchem W600 series provides reliable, flexible and powerful control for your water treatment program.

The Walchem W600 series provides reliable, flexible and powerful control for your water treatment program.

The Walchem W600 series provides reliable, flexible and powerful control for your water treatment program.

The Walchem W600 series provides reliable, flexible and powerful control for your water treatment program.

Walchem’s WDS Series differential pH and ORP sensors are designed for industrial applications to be long-lasting and reliable.

Walchem WDS-PHW pH Sensor

Walchem WDS-PHW pH Sensor

Walchem's WEL Series electrodes are cost-effective differential pH and ORP electrodes for industrial applications.

Walchem WEL-PH-72 pH Electrode

Walchem WEL-PH-72 pH Electrode

Walchem WEL-PHF-11 pH Flat Submersion Electrode

Walchem WEL-PHF-12 pH Flat Submersion Electrode

Walchem WEL-PHF-NN pH Flat Surface Electrode

WFM Series water meters have earned a reputation for design simplicity, wide range of applications and accuracy in low-quality water. The impeller is centered in a ring of jets, with inlet jets on one level and outlet jets on another. A gear train drives the register totalizer dials.

WFM Series water meters have earned a reputation for design simplicity, wide range of applications and accuracy in low-quality water. The impeller is centered in a ring of jets, with inlet jets on one level and outlet jets on another. A gear train drives the register totalizer dials.

WFM Series water meters have earned a reputation for design simplicity, wide range of applications and accuracy in low-quality water. The impeller is centered in a ring of jets, with inlet jets on one level and outlet jets on another. A gear train drives the register totalizer dials.

WFM Series water meters have earned a reputation for design simplicity, wide range of applications and accuracy in low-quality water. The impeller is centered in a ring of jets, with inlet jets on one level and outlet jets on another. A gear train drives the register totalizer dials.

WFM Series water meters have earned a reputation for design simplicity, wide range of applications and accuracy in low-quality water. The impeller is centered in a ring of jets, with inlet jets on one level and outlet jets on another. A gear train drives the register totalizer dials.

WFM Series water meters have earned a reputation for design simplicity, wide range of applications and accuracy in low-quality water. The impeller is centered in a ring of jets, with inlet jets on one level and outlet jets on another. A gear train drives the register totalizer dials.

Walchem 1/2" Teflon Ball Valve

The EHE is the workhorse of the E-Series metering pumps. EHE Series pumps have outputs up to 20 GPH (75 l/h) and pressure capabilities to 150 PSI (10 bar). Combining the EHE performance with a turndown ratio of 1800:1 yields one of the most versatile pumps in the water treatment industry today.

Walchem Fixed, Teflon, Tri-Purpose BP Valve

Walchem WEL-MVF-NN ORP Flat Surface Electrode