20150147054 | Heater and Heating System - A heater and heating system for installation adjacent a valve to control temperature near the valve is disclosed. In an example, the heating system includes a housing having a heating chamber formed therein, the heating chamber configured to retain a heating fluid. The heating system also includes an electric heating element disposed in thermal contact with the heating chamber. The heating system also includes a connection to attach the heating chamber to the valve. | 05-28-2015 |