3295 Cobb International Boulevard , Kennesaw, GA 30152 888-650-6923


At ESP, our brands are known for their legacies of excellence. WGTC lives up to that expectation. Known and respected in the HVAC industry since 1930, WGTC’s gauges, thermometers, and accessories have also been used in the harshest of process applications for decades now.

Available products include 4.5″ process gauges with 316SS wetted parts, glycerin filled pressure gauges with stainless steel cases, and 316SS thermowells that are compatible with many different environments and media. Additionally, we are proud to offer diaphragm seals and thermowells in a variety of exotic materials, enabling you to protect your instruments from corrosion caused by almost any chemical.