You woke up shivering in a cold house. Your morning shower, usually a warm and pleasant revitalization, was spent futilely turning the knob toward “hot” as your skin erupted in goosebumps. When you ...

[WJCarpenter]’s gas water heater uses a small pilot light that needs to stay burning permanently to ignite the main burners as required. Four or five times a year, the pilot light goes out and needs ...