GAS FURNACES
Check for dangerous gas leaks
Check for carbon monoxide
Check primary heat exchange
Check blower system
Adjust air fuel mixture on gas valve
Adjust gas valve to 3.5" of water column (if necessary)
Check burner compartment
Check for mold and mildew
Check flue for carbon deposits
Check igniter system
Check all electrical wiring
Check filter
Calibrate thermostat
|
ELECTRIC FURNACES
Check amp draw
Check sequences
Check heating elements
Check blower motor for low speed operation
Check for mold and mildew
Check all electrical wiring
Check filter
Calibrate thermostat
|