How to install a built-in, double-pole thermostat on a Com-Pak Twin heater 29- 03- 2016 By Paul Suarez in Category_Featured, Category_Frequently asked questions>Installation, Category_Video, frequently asked questions, heater, how-to, Category_Featured, Category_Frequently asked questions>Installation, Category_Video, frequently asked questions, heater, how-to, Share Share on Facebook Pin it Pin on Pinterest Tweet Tweet on Twitter