Get free shipping on your order, with any water filter subscription. Find my filter

Open Hamburger Menu
Sears Parts Direct
Tips to find your model number
Edgestar IB450SS ice maker

Edgestar IB450SS ice maker Parts

Here are the diagrams and repair parts for Edgestar IB450SS ice maker, as well as links to manuals and error code tables, if available.

By Schematic
SELECT DIAGRAM
?

This is the number corresponding to the part on the diagram / schematic

Browse Parts for IB450SS Ice Maker

  • Harness for Edgestar IB450SS - Part IB450WH

    Ice maker assy diagram

    Harness

    Part #IB450WH

    The manufacturer no longer makes this part, and there's no substitute part

  • Star Relay for Edgestar IB450SS - Part PIB450SR

    Ice maker assy diagram

    Star Relay

    Part #PIB450SR

    The manufacturer no longer makes this part, and there's no substitute part

  • Compressor for Edgestar IB450SS - Part IB450COMP

    Ice maker assy diagram

    Compressor

    Part #IB450COMP

    The manufacturer no longer makes this part, and there's no substitute part

  • Door (black) for Edgestar IB450SS - Part PKIM450BL50

    Ice maker assy diagram

    Door (black)

    Part #PKIM450BL50

    The manufacturer no longer makes this part, and there's no substitute part

  • Power Cord for Edgestar IB450SS - Part IB450PC

    Ice maker assy diagram

    Power Cord

    Part #IB450PC

    The manufacturer no longer makes this part, and there's no substitute part

  • Ice Maker Control Box for Edgestar IB450SS - Part IB450ECB

    Ice maker assy diagram

    Ice Maker Control Box

    Part #IB450ECB

    The manufacturer no longer makes this part, and there's no substitute part

  • Valve Body for Edgestar IB450SS - Part PIB450HGVB

    Ice maker assy diagram

    Valve Body

    Part #PIB450HGVB

    The manufacturer no longer makes this part, and there's no substitute part

  • Fuse for Edgestar IB450SS - Part IB450FUSE

    Ice maker assy diagram

    Fuse

    Part #IB450FUSE

    The manufacturer no longer makes this part, and there's no substitute part

  • Protector for Edgestar IB450SS - Part PIB450OP

    Ice maker assy diagram

    Protector

    Part #PIB450OP

    The manufacturer no longer makes this part, and there's no substitute part

  • Owner's Manual for Edgestar IB450SS - Part OM-IB450SS

    Ice maker assy diagram

    Owner's Manual

    Part #OM-IB450SS

    The manufacturer no longer makes this part, and there's no substitute part

Edgestar Ice Maker IB450SS FAQs

Yes, fixing an Edgestar IB450SS freestanding ice maker is worth it when the problem is a straightforward service item (cleaning, leveling, water supply correction) or a single failed component; replacement makes more sense when repairs are repeated or the total repair cost approaches about half the price of a comparable new unit.

Quick decision checklist (IB450SS)

  • Fix it if the unit simply will not run because it is unplugged, the switch is OFF, or the bin is full (ice-full probe blocked).
  • Fix it if performance is down due to dirty condenser or blocked airflow.
  • Fix it if the issue is installation-related: not level, kinked water line, water supply tap off.
  • Replace it if you have multiple failures in a short period (for example, pump plus control plus refrigeration symptoms).
  • Replace it if you see ongoing water leaks that return after tightening connections and correcting installation.
  • Replace it if the repair estimate is near 50% or more of the cost of a new freestanding ice maker.

What we check first (often low-cost fixes)

The IB450SS manual calls out several common, correctable causes before service:

  • Power basics: plugged in, fuse/circuit breaker OK, power switch set to ICE (ON)
  • Water basics: water supply tap ON, supply pipe properly connected
  • Cooling basics: condenser clean, airflow not obstructed
  • Environment: room temperature about 50°F to 100°F; incoming water about 41°F to 90°F
  • Placement: keep it away from ovens, grills, or other heat sources

For the model-specific steps and safety notes (unplug before servicing; shut off water before maintenance), use the IB450SS owner's manual.

Cost vs. value: a simple way to compare

Situation Usually the better choice Why
One clear cause (dirty condenser, blocked airflow, water tap off) Fix Low cost, fast improvement
Unit runs but makes little or no ice due to heat or warm water Fix Correcting temps restores production
Repeated breakdowns or multiple parts suspected Replace Costs add up quickly
Repair quote is about 50%+ of a new unit Replace Better long-term value

Why it matters

Freestanding ice makers are sensitive to airflow, leveling, and temperature. When those basics are off, the machine can look “broken” even though it only needs cleaning or an installation correction.

If you decide to repair, we recommend starting with our freestanding ice maker troubleshooting guide, then ordering the correct replacement parts by model number on Sears PartsDirect.

Last updated: February 2026

Yes; a countertop ice maker is worth it when you need quick, frequent ice without using freezer space. If you already own an Edgestar IB450SS freestanding ice maker, you are typically better served by maintaining that unit for steadier production and more consistent results (see the IB450SS owner's manual).

When a countertop ice maker is a good buy

A countertop unit makes sense when convenience and portability matter more than premium cube quality.

  • You run out of ice during parties or weekend use
  • You do not have a plumbed water line available
  • You want portable ice for patios, RVs, or events
  • You are OK with smaller, wetter cubes that melt faster
  • You want a lower upfront cost than a freestanding unit

When it is not worth it

If you care about cocktail-style ice or you need a steady daily supply, countertop machines often fall short on cube hardness and storage.

  • You want clearer, harder cubes for drinks
  • You need consistent output for entertaining
  • You prefer a unit with a continuous water supply and drain

Quick comparison

Feature Countertop ice maker Freestanding ice maker (IB450SS type)
Water supply Manual fill (common) Continuous supply (common)
Ice quality Softer, wetter (common) More consistent (common)
Best for Portability, occasional use Steady demand, home bar
Setup Plug in, add water Leveling, ventilation, proper power

Why it matters for performance and taste

For the IB450SS, installation conditions directly affect output. Our manual guidance includes using a well-ventilated location, keeping ambient temperature between 50°F and 100°F, keeping the unit level, and using filtered water to reduce taste and odor issues.

Tips to get better ice

  • Use filtered water and clean the interior regularly
  • Keep airflow clear around the cabinet
  • Level the unit to prevent uneven freezing
  • If production drops, follow freestanding ice maker troubleshooting

For maintenance and repair planning, use the model documentation first, then search by model on Sears PartsDirect.

Last updated: February 2026

Most freestanding ice makers like the Edgestar IB450SS last about 4 to 6 years with normal use and routine cleaning. You can often extend service life by keeping the unit in the correct temperature range, using good water quality, and following the care steps in the IB450SS owner's manual.

Typical life expectancy and what affects it

Ice maker lifespan is driven less by “age” and more by operating conditions that stress the compressor, pump, and control system.

  • Ambient temperature: Keep the unit in a well-ventilated area between 50°F and 100°F.
  • Water temperature: Feed water between 41°F and 90°F for proper operation.
  • Water quality: Filtering helps reduce taste, odors, and particles; very hard water can cause soft, sticky cubes.
  • Cleaning and maintenance: Periodic cleaning helps efficiency and long life, especially if the unit sits unused.
  • Usage habits: Keeping the door closed except when taking ice reduces melting and helps consistent ice formation.

Repair vs. replace: a practical rule

If a major repair (for example, compressor-related work or multiple component failures) costs more than 50% of the price of a comparable new unit, replacement is typically the better value, especially once you are past the mid-point of the 4 to 6-year window.

Quick decision table

Situation What we recommend Why
Minor issue (slow production, small leak, noise) Troubleshoot and repair Often caused by maintenance, water quality, or a single part/system
Repeated breakdowns in a short time Consider replacement Reliability usually continues to decline
Major sealed-system/compressor problem Usually replace High cost and downtime compared to unit value

Why it matters

A freestanding ice maker runs frequent freeze and harvest cycles; when temperature, airflow, or water quality is off, the machine works harder and components wear faster. Keeping the IB450SS within its specified operating ranges protects performance and helps you get the full expected lifespan.

Helpful resources

Last updated: February 2026

Most common symptoms to help you fix your freestanding ice makers

Choose a symptom to see related ice maker repairs.

Main causes: water supply problems, control board failure, weak recirculation pump, clogged water distributer, faulty cu…

Main causes: dirty evaporator plate, untreated water supply, food items being stored in ice storage bin…

Main causes: wiring failure, broken cutting grid, faulty electronic control board…

Main causes: bad bin thermistor, condenser fan failure, faulty control board…

Main causes: failing compressor, bad condenser fan motor, faulty drain pump, bad recirculation pump, water supply proble…

Main causes: cracked water supply line, leaky drain line, broken drain pump, cracked water reservoir, leaky ice bin…

Main causes: bad electronic control board, water supply problems, faulty recirculation pump, sealed system failure, brok…

Main causes: lack of electrical power, bad power cord, wiring failure, bad control board, faulty bin thermistor, bad eva…

Most common repair guides to help fix your freestanding ice makers

These step-by-step repair guides will help you safely fix what’s broken on your ice maker.

How to replace a freestanding ice maker cutter grid

How to replace a freestanding ice maker cutter grid

When the cutting grid is broken, ice cubes don’t drop into the ice bin. Use the steps in this repair guide to replace a…

Repair time and Difficulty

 15 minutes or less
How to replace a freestanding ice maker recirculation pump

How to replace a freestanding ice maker recirculation pump

If your ice maker isn’t making ice, the pump could be the problem. Here’s how to replace it. …

Repair time and Difficulty

 45 minutes or less
How to replace a freestanding ice maker electronic control board

How to replace a freestanding ice maker electronic control board

When the electronic control board won’t activate the ice maker components, follow these steps to install a new one.…

Repair time and Difficulty

 45 minutes or less

Effective articles & videos to help repair your freestanding ice makers

Use the advice and tips in these articles and videos to get the most out of your ice maker.

How to enjoy all the online benefits we offer on our Sears PartsDirect website

How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

How to use a multimeter to test electrical parts video

How to use a multimeter to test electrical parts video

Learn how to use a multimeter to check for wiring problems in an appliance that's not working…

Freestanding ice maker troubleshooting

Freestanding ice maker troubleshooting

See what troubleshooting steps to take with your freestanding ice maker before calling for repair.…

Parts & More

Air Compressor
Bottom-Mount Refrigerator
Dryer
Electric Range
Electric Wall Oven
Food Processor
Front-Engine Lawn Tractor
Gas Walk-Behind Mower
Miter Saw
Parts
Power Stapler
Radial Arm Saw
Rear-Engine Riding Mower
Refrigerator
Side-By-Side Refrigerator