York G9T08016UPC13 upflow gas furnace Parts

For your York upflow gas furnace, the model number is printed on the furnace rating plate (data tag), usually on the inside of the front access panel or on the cabinet wall. Turn off power to the furnace before removing panels, then copy the full model number exactly.

Where to look on a York furnace

Check these common rating-plate locations:

• Inside the upper front access panel (burner/controls compartment)
• Inside the lower blower door area
• On an interior side wall of the cabinet
• On the outside of the cabinet near the gas valve area (less common)
• On paperwork left by the installer (startup sheet) if available

Safe steps to find it

• Set the thermostat to OFF
• Turn off electrical power to the furnace at the switch or breaker
• Remove the front access panel(s) and look for a rating plate or data tag
• Write down the entire model number and serial number (take a clear photo too)
• Reinstall panels fully before restoring power (many furnaces will not run with a door switch open)

What the label typically shows

Label item	What it’s used for
Model number	Matching the correct parts list and diagrams
Serial number	Identifying production run and compatible revisions
Input BTU and fuel type	Confirming correct gas furnace specifications
Electrical ratings	Verifying correct voltage and control power

Why it matters

We use the exact model number to match the right York furnace parts (controls, igniter, flame sensor, pressure switch, inducer, blower components). One missing character can pull the wrong parts breakdown.

For help confirming you have the full model number (for example, G9T08016UPC13), use how to find your appliance model number (and what it means for parts).

Last updated: February 2026

Yes. A 25-year-old York upflow gas furnace like model G9T08016UPC13 is past the typical furnace lifespan (about 15 to 20 years), so replacement is the practical choice for better reliability, lower operating cost, and safer, more consistent heat.

Quick replacement checklist (what we look at)

• Repair frequency: repeated no-heat calls, nuisance shutdowns, or hard starts
• Efficiency: rising gas bills compared with prior winters
• Comfort: uneven temperatures, long run times, or poor airflow
• Parts condition: rust, soot, or heat-related wire damage in the burner/control area
• Safety controls: rollout switch trips, limit switch trips, or burner flame issues
• Budget risk: a major repair during peak season often costs more than planned replacement

Repair vs. replace: a simple decision guide

Use this as a quick way to decide what makes sense for a 25-year-old furnace.

Situation	Usually makes sense	Why
Minor, one-time fix (loose wire, dirty flame sensor, clogged filter)	Repair	Low cost, quick restore
Repeated ignition problems (hot surface igniter, gas valve, control board symptoms)	Replace	Age-related failures tend to cascade
Blower motor or inducer motor failing	Replace	High-cost repair on an end-of-life unit
Any sign of combustion or venting problems	Replace (and stop using until checked)	Safety and reliability are the priority

Why it matters

At 25 years, the furnace is operating beyond its design window. Even if it runs today, the chance of an in-season breakdown is high, and older equipment typically delivers less comfort per dollar spent on fuel.

If you keep it running short-term (risk-reduction steps)

• Replace or clean the air filter regularly to prevent overheating
• Keep supply and return vents open to protect the limit switch
• Watch for new noises from the blower or inducer
• If the furnace shuts down repeatedly, stop resetting it and have it checked

For help identifying the correct model number before ordering parts or comparing options, use how to find your appliance model number (and what it means for parts).

Last updated: February 2026

An 80,000 BTU furnace like the York G9T08016UPC13 typically heats about 1,600 to 2,800 sq ft, depending on your climate zone and your home’s insulation and air sealing. In colder regions, the same furnace covers fewer square feet because heat loss is higher.

Typical coverage ranges (rule of thumb)

Use these as planning numbers; your actual result depends on heat loss and duct design.

• Warm climates: about 2,400 to 2,800 sq ft
• Mixed climates: about 1,900 to 2,400 sq ft
• Cold climates: about 1,600 to 2,000 sq ft
• Very leaky or older homes: expect the lower end of the range
• Tight, well-insulated homes: expect the higher end of the range

What changes the square footage the most

These factors often matter more than the BTU number on the nameplate:

• Insulation levels (attic, walls, rim joist)
• Air leakage (drafts, unsealed penetrations, leaky return ducts)
• Window quality and window area
• Ceiling height and open floor plans
• Duct sizing and duct leakage
• Furnace efficiency (AFUE) and how well the system is set up

Quick sizing check (simple table)

Home condition	Typical BTU per sq ft	80,000 BTU rough coverage
Tight, well-insulated	25 to 30	~2,600 to 3,200 sq ft
Average	30 to 40	~2,000 to 2,600 sq ft
Older or drafty	40 to 50	~1,600 to 2,000 sq ft

Why it matters

Oversizing can cause short cycling (more on/off starts, uneven temperatures, and more wear on parts like the igniter and blower). Undersizing can mean long run times and trouble keeping up on the coldest days.

Best next step for an accurate answer

For the York G9T08016UPC13, the most accurate way to confirm coverage is a room-by-room heat loss calculation (often called a Manual J). If you are troubleshooting comfort issues, start by checking filters, return airflow, and obvious duct leaks before assuming the furnace is the wrong size.

For general DIY electrical checks related to furnace controls and safeties, use how to use a multimeter to test electrical parts video.

Last updated: February 2026

On a York upflow gas furnace like model G9T08016UPC13, code 13 most often points to a limit circuit fault or lockout (the furnace sensed overheating or an open high-limit/rollout safety circuit), so it shuts the burners down to protect the heat exchanger and your home.

What usually causes code 13

In most homes, code 13 is triggered by airflow restriction or a safety switch opening.

• Dirty or overly restrictive air filter
• Closed or blocked supply registers or return grilles
• Blower or blower wheel issues (weak airflow, heavy dust buildup)
• Dirty evaporator coil (AC coil above the furnace) restricting airflow
• High-limit switch or rollout switch opening due to heat buildup
• Venting or combustion air problems that cause abnormal heat or rollout

What we recommend you check first (safe homeowner checks)

Before resetting anything repeatedly, focus on airflow and obvious blockages.

• Turn thermostat to OFF, then turn furnace power OFF at the switch/breaker
• Replace the filter with the correct size and a reasonable MERV rating
• Open all supply registers; make sure returns are not blocked by furniture or rugs
• Confirm the blower compartment door is fully seated (some furnaces will fault if it is not)
• If you recently added a high-MERV filter, switch to a less restrictive filter and recheck

What to do next: quick decision guide

What you see	What it usually means	What to do
Code 13 after 2 to 10 minutes of heat	Airflow restriction or weak blower	Fix airflow items first; then retry heat
Code 13 only on very cold days	Marginal airflow or venting issue	Check filter, registers, return air; then have venting checked
Code 13 returns immediately after reset	Safety circuit still open	Stop resetting; schedule service

Why it matters

A limit or rollout event is a safety shutdown. Repeated overheating can damage components and shorten furnace life, and rollout-related faults can indicate a combustion or venting condition that needs professional diagnosis.

When to stop and get service

We recommend contacting a qualified technician if code 13 repeats after you correct airflow basics, or if you notice burner flame rollout, scorching, a burning smell, or the furnace short-cycling.

For model-number-specific parts lookup and diagrams, use the model search on Sears PartsDirect.

Last updated: February 2026