Hoffman Specialty 400199 Thermostatic Temperature Regulator

Series 1140 (Cross ambient filled) Thermostatic Temperature Regulator, 1-1/2″ NPT, 60- 100 FNickel Plated Piston, Brass Trim, Sliding piston. Body material is Brass. The Series 1140 and 1141 Three Way Regulators are designed for commercial and institutional applications such as boilers, engines, or others that require mixing, tempering, or diverting liquids at a set temperature.