SERVICE AND TECHNICAL SUPPORT MANUAL Gas Furnace: (F/G)9MAESpecifications subject to change without notice.38 440 04 4700 00PARTS REPLACEMENT INFORMATION GUIDECasing GroupControl doorBlower doorTop filler plateBottom filler plateDoor Knob AssemblyElectrical GroupControl boxJunction boxLimit switch(es)Circuit boardDoor switchTransformer3−Amp fuseFlame Rollout SwitchMain Wiring HarnessBlower Motor Harness (when used)Filter GroupFilter(s)Blower GroupCut−off PlateBlower housingBlower motorBlower wheelCapacitor (when used)Capacitor strap (when used)Power choke (when used)Gas Control GroupManifoldBurnerOrificeFlame sensorHot surface igniterGas valveHeat Exchanger GroupPrimary Heat Exchanger assemblyPrimary Heat Exchanger cell panelSecondary Heat Exchanger assemblyCoupling boxContainment PlateTubing GasketsInducer GroupPressure switch(es)Inducer assemblyInducerInducer motorMotor Module (when used)Inducer motor capacitor (when used)Collector boxCondensate trapCondensate trap elbowGaskets! WARNINGFIRE, EXPLOSION, ELECTRICAL SHOCK AND CARBON MONOXIDE POISONING HAZARDFailure to follow this warning could result in dangerous operation, personal injury, death or property damage.Improper installation, adjustment, alteration, service, maintenance, or use can cause carbon monoxide poisoning, explosion, fire,electrical shock, or other conditions which may cause personal injury or property damage. Consult a qualified installer, serviceagency, local gas supplier, or your distributor or branch for information or assistance. The qualified installer or agency must use onlyfactory-authorized and listed kits or accessories when modifying this product.Have available the product/model number and the serial number located on the unit rating plate to ensure correct replacement parts.TO OBTAIN INFORMATION ON PARTS: Consult your installing dealer or the classified section of your local telephone directoryunder the “Heating Equipment“ or “Air Conditioning Contractors and Systems” headings for dealer listing by brand name.