Article: Proper installation, attention to details helps prevent forced-air furnace callbacks

Troubleshooting guidelines

Years ago, most gas forced-air furnace repair was accomplished by replacing the occasional thermocouple, universal gas valve, or fan and limit switch. Any parts needed were easily carried on a service truck. Those days are gone.

KEVIN JOYCE, NORDYNE

With today's high-efficiency and sophisticated furnaces, more inventory, more service instruments, and better troubleshooting skills are required.

Servicing today's furnaces can become quite involved. However, some of the basics of troubleshooting remain the same.

This article will identify areas of operation and performance of a gas-fuel forced-air furnace a ...

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