ICP NAC048AKA1 condensing unit Parts

Replacing a central AC system typically costs about $6,000 on average, with many full replacements landing in the $1,500 to $12,500 range depending on system size (tons/BTU), efficiency (SEER), ductwork condition, electrical upgrades, and local labor rates. For your Icp NAC048AKA1 condensing unit, the installed price is driven mostly by the matched indoor coil/air handler and the installation scope; see the NAC048AKA1 installation guide for requirements that can affect labor and code compliance.

• Capacity and sizing: Larger homes and higher tonnage systems cost more.
• Efficiency level (SEER): Higher-efficiency equipment and compatible components raise equipment cost.
• Ductwork work: Repairs, sealing, or resizing can add significant labor.
• Electrical and controls: Disconnect, breaker, wiring, and thermostat upgrades can add cost.
• Indoor components: Replacing the evaporator coil, air handler, or furnace alongside the outdoor unit increases total price.
• Permits and code compliance: Local requirements can add time and materials.

If the system is otherwise in good shape, a targeted repair can restore cooling at a much lower cost than a full change-out. Common service items on condensing units include:

• Capacitor (hard starting, humming, fan not spinning)
• Contactor (unit will not start, intermittent operation)
• Wiring issues (burnt terminals, loose connections)

If you’re troubleshooting a no-start or weak-start issue, the capacitor 1172120 is one of the most common wear parts to check and replace.

A properly sized, correctly matched system (outdoor unit plus indoor coil) helps control humidity, reduces short-cycling, and can lower operating costs. Installation quality and code-compliant setup often matter as much as the equipment itself.

For replacement parts and common repair items for Icp NAC048AKA1, we list model-matched parts on this page; you can also search by model number on Sears PartsDirect.

Last updated: February 2026

Most central air conditioning units last 15 to 20 years with normal use and regular maintenance. For your Icp NAC048AKA1 condensing unit, keeping the outdoor coil clean, maintaining correct airflow indoors, and having yearly service helps you reach the full expected lifespan (and helps protect warranty coverage); see the owner's manual.

• 15 to 20 years: well-maintained central AC systems
• 10 to 15 years: systems with inconsistent maintenance or harsh operating conditions
• 20+ years: possible, but efficiency and reliability usually decline

• Dirty condenser coil or blocked airflow around the outdoor unit
• Weak electrical components (for example a failing run capacitor)
• Refrigerant charge issues (low charge or restrictions)
• Oversized or undersized system that short-cycles or runs constantly
• Skipped annual maintenance and delayed repairs

• Shut off power and clear leaves, grass, and debris from the cabinet area
• Keep at least 24 inches of clearance around the outdoor unit for airflow
• Replace or clean the indoor air filter on schedule
• Rinse the outdoor coil gently (avoid bending fins)
• Have a qualified technician perform yearly service (the manual notes proof of yearly service may be required for warranty claims)

Knowing the typical lifespan helps you plan repairs versus replacement. A 15 to 20 year old unit can still run, but small electrical parts (like a capacitor or contactor) often fail first; addressing those early can prevent no-cool breakdowns during peak heat.

You can order replacement parts for your NAC048AKA1 from the parts list for this model, or search by model number on Sears PartsDirect.

Last updated: February 2026

On an Icp NAC048AKA1 central air conditioner condensing unit, the most common failure we see is the run capacitor because it handles frequent starts and heat stress. A weak or failed capacitor can keep the condenser fan or compressor from starting, even when the thermostat is calling for cooling.

• Capacitor: outdoor unit hums, fan will not start, compressor struggles to start
• Contactor: outdoor unit will not run, intermittent operation, chattering or buzzing at the electrical compartment
• Wiring/terminals: burnt connectors, melted insulation, intermittent shutdowns
• Condenser fan motor issues: fan runs slow, stops randomly, unit overheats and shuts down
• Dirty condenser coil: poor cooling, high head pressure symptoms, frequent cycling

For model-specific wiring and service notes, use the NAC048AKA1 owner's manual.

If your NAC048AKA1 outdoor unit is not starting or is starting hard, these are the first parts we check and replace most often:

Capacitors are electrical “storage” components that help start and run the compressor and condenser fan. Heat, age, and voltage spikes gradually weaken them; once they drift out of spec, the motor may not start reliably and can overheat.

Central air conditioner electrical components can hold a charge even with power off.

• Shut off power at the disconnect and breaker before opening the panel
• Discharge the capacitor properly before handling it
• Take a photo of wire positions before moving anything
• Replace any burnt terminals, not just the failed part
• If the compressor will not start after capacitor replacement, stop and have the system professionally diagnosed

You can order replacement parts for your NAC048AKA1 from the parts list for this model, or search by model number on Sears PartsDirect.

Last updated: February 2026

On most central AC systems, the compressor is typically the most expensive single component to replace because it is the main pump that moves refrigerant through the system. For the Icp NAC048AKA1 condensing unit, the compressor is also the costliest repair in most real-world scenarios; always confirm coverage and requirements in the owner's manual.

In many central air conditioner repairs, costs stack up from both the part and the labor involved.

• Compressor: highest part cost; refrigerant handling and system cleanup add labor
• Coils (condenser coil or evaporator coil): expensive parts; leaks can require major disassembly
• Control board (if equipped): can be pricey on some systems, especially proprietary boards
• Refrigerant leak repair: not always a single part, but can become a high-cost job
• Electrical start components: usually cheaper than the items above, but common failures

Your documentation calls out many “functional component parts” that can be covered under certain warranty terms when installation and yearly maintenance requirements are met. That list includes items like the condenser coil, evaporator coil, capacitor, and contactors. Review the exact terms and maintenance requirements in the owner's manual.

These are often replaced more frequently than a compressor and are usually far less expensive.

If you are troubleshooting a no-cool or no-start issue, checking the capacitor 1172120 and the contactor is a common first step.

Replacing a compressor or coil can approach the cost of a major system repair because it often involves refrigerant recovery, leak checks, and careful electrical diagnostics. Catching small electrical failures early (capacitor, contactor, wiring) can prevent bigger damage.

Last updated: February 2026