York Furnace Parts Manual

The York Furnace Parts Manual provides comprehensive information about replacement parts, maintenance procedures, and technical specifications for York furnace systems. This manual covers gas and electric furnace models, including part numbers, installation guidelines, troubleshooting tips, and safety precautions for proper furnace operation and maintenance.

1. Parts Overview 2. Safety Precautions 3. Installation Guidelines 4. Technical Specifications 5. Maintenance Procedures 6. Replacement Parts List 7. Troubleshooting Guide 8. Wiring Diagrams 9. Warranty Information 10. Regulatory Compliance 11. Technical Support

Parts Overview

Key components: Heat exchanger, blower motor, gas valve, ignition system, control board, filters, thermocouple, limit switches, pressure switches.

ComponentDescription
Heat ExchangerTransfers heat from combustion gases to air stream
Blower MotorCirculates air through duct system
Gas ValveControls gas flow to burners
Ignition SystemHot surface ignitor or spark ignition
Control BoardMain system controller and safety controls
Air FiltersRemoves particulates from circulating air
ThermocoupleSafety device for gas valve operation
Limit SwitchesPrevents overheating by shutting off burners
Pressure SwitchesEnsures proper venting before ignition
BurnersGas combustion assembly

Safety Precautions

Always follow safety procedures when working with furnace systems.

  1. Turn off electrical power and gas supply before servicing.
  2. Use proper personal protective equipment (PPE).
  3. Ensure adequate ventilation in work area.
  4. Verify gas connections for leaks using approved methods.
  5. Follow local building codes and regulations.

WARNING! Gas furnaces contain high voltage and combustible materials. Only qualified technicians should perform repairs.

Installation Guidelines

Proper installation ensures optimal furnace performance and safety.

  1. Select appropriate location with adequate clearance and ventilation.
  2. Install proper venting system according to manufacturer specifications.
  3. Connect gas line with approved materials and test for leaks.
  4. Wire electrical connections following wiring diagram.
  5. Install condensate drain system for high-efficiency models.

CAUTION! Improper installation can cause carbon monoxide hazards and system failure.

Technical Specifications

Maintenance Procedures

Regular maintenance ensures efficient operation and extends system life.

Annual Maintenance Checklist: Replace air filters, clean burners and heat exchanger, check gas pressure, verify safety controls, inspect vent system, lubricate blower motor (if required), check electrical connections.

Seasonal: Check thermostat operation, clean condensate drain, verify airflow, inspect flue pipe.

Replacement Parts List

Genuine York replacement parts ensure compatibility and performance.

Part NumberDescriptionCompatible Models
YR-024-34516Control Board AssemblyTM9V, TM8Y, TM8E series
YR-024-34517Blower Motor 1/3 HPMost 80% AFUE models
YR-024-34518Hot Surface IgnitorAll direct spark ignition models
YR-024-34519Gas Valve AssemblyTM9V, TM8Y series
YR-024-34520Limit SwitchUniversal replacement
YR-024-34521Flame SensorAll furnace models
YR-024-34522Pressure SwitchHigh-efficiency models
YR-024-34523Inducer Motor90%+ AFUE models

Troubleshooting Guide

SymptomPossible CauseCorrective Action
Furnace won't startPower loss, thermostat issueCheck circuit breaker, verify thermostat settings
No heat outputIgnition failure, gas valveCheck ignitor, verify gas supply, test gas valve
Short cyclingDirty filter, limit switchReplace filter, check airflow, test limit switch
Blower won't runMotor failure, capacitorTest motor windings, replace capacitor if needed
Gas odorGas leak, improper combustionShut off gas immediately, check for leaks
Loud noisesMotor bearings, loose partsLubricate motor, tighten mounting hardware

Wiring Diagrams

Refer to specific model wiring diagrams for proper electrical connections.

  1. Always disconnect power before accessing electrical components.
  2. Use wiring diagram specific to furnace model and serial number.
  3. Verify wire colors and terminal designations match diagram.
  4. Test all safety circuits after wiring completion.

Note: Wiring diagrams are model-specific and available in technical service manuals.

Warranty Information

York furnaces come with comprehensive warranty coverage.

Warranty requires professional installation and annual maintenance by qualified technician.

Regulatory Compliance

York furnaces comply with all applicable safety and efficiency standards including ANSI Z21.47, CSA 2.3 for gas-fired furnaces, and DOE efficiency standards. All furnaces are UL listed and designed to meet or exceed national building codes.

Technical Support

For technical assistance, parts ordering, or service information:

York Technical Support: 1-800-962-1000

Website: www.york.com

Hours: Monday-Friday 8:00 AM - 8:00 PM EST

Emergency Service: Contact authorized York dealer for 24/7 emergency service

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