tested unit found out of a vacuum found pressure gauge leaking resealed tested unit put in a vacuum unit now ok will need to order new green heat light due to burnt out. 4/19/18 Installed new green heat light, light will not come on, checked light, light is ok. getting no power from temp control. had to disconnect power to unit pull out control panel and checked wires from temp control to green light. ohmed out wires to light all ok tighten connection, light is now working. put unit back together, tested working ok