Model # WS900B/P6978504R Official Amana air conditioner & heater

Here are the diagrams and repair parts for Official Amana WS900B-P6978504R air conditioner & heater, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Screws

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Showing 10 of 131 parts |

#NI

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Screw

Part #M0211543

Replaced by #WP1163839

This item is not returnable

$4.39 |

19% OFF Phone Price : $5.39

In Stock

Qty

Screw

Part #M0211217

Replaced by #WP489464

This item is not returnable

$6.60 |

13% OFF Phone Price : $7.60

In Stock

Qty

#53

Hwk/hvk (hvk03/p1216901r) (hwk03/p1216801r) diagram

Cord clip

Part #M0104101

Replaced by #WPM0104106

This item is not returnable

$4.39 |

19% OFF Phone Price : $5.39

In Stock

Qty

#NI

All parts diagram

Screw

Part #M0213203

Replaced by #WP693995

This item is not returnable

$4.37 |

19% OFF Phone Price : $5.37

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#NI

All parts diagram

Screw

Part #M0211018

Replaced by #M0211018

This item is not returnable

$4.39 |

19% OFF Phone Price : $5.39

In Stock

Qty

#293

Hwk/hvk (hvk03/p1216901r) (hwk03/p1216801r) diagram

Screw

Part #M0241118

Replaced by #WP489464

This item is not returnable

$6.60 |

13% OFF Phone Price : $7.60

In Stock

Qty

#33

Sgk/ll/pshw (611012001/p6785907r) (ll-2b/p6333003r) (pshw03a/p6374405r) (pshw04a/p6374406r) (sgk01b/p6785908r) (sgk10b/p6236707r) diagram

Switch cover

Part #M0371801

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

#NI

All parts diagram

Snap bushing

Part #A4554819

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

#NI

All parts diagram

Clip, u-type

Part #M0121002

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

#NI

All parts diagram

Instr-instal

Part #11114301

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

Most common symptoms to help you fix your heating & cooling combined units

Choose a symptom to see related heating and air conditioning system repairs.

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Why is my furnace not blowing hot enough?

Thermostat problem, clogged air filter, burner failure…

Why isn’t my air conditioner cooling well?

Dirty air filter, clogged condenser coils, low refrigerant charge, faulty compressor…

Why isn’t my air conditioner cooling?

Thermostat problems, bad compressor/condenser fan capacitor, lack of refrigerant, failed compressor…

Why won't my air conditioner turn on?

Main causes: errant thermostat settings, lack of electrical power, clogged drain line, wiring failure, control failure.…

Why won't my furnace turn on?

Main causes: Errant thermostat settings, lack of power, bad interlock switches, lack of exhaust ventilation, wiring fail…

Why won’t my furnace burners won’t stay lit?

Dirty flame sensor, failed flame sensor, damaged burner, bad high limit switch…

Most common repair guides to help fix your heating & cooling combined units

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

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How to unclog the air conditioner drain line

The condensate drain line for your central air conditioner can clog with mold and mildew. Water will back up and start d…

Repair difficulty

Time required

15 minutes or less

How to replace the furnace flame sensor

The flame sensor detects when furnace burner flames are lit. You may need to replace the flame sensor if flames only sta…

Repair difficulty

Time required

15 minutes or less

How to replace a heating and air conditioning system thermostat

The control thermostat for your HVAC system can stop working. This repair guide shows how to replace it.…

Repair difficulty

Time required

30 minutes or less

Effective articles & videos to help repair your heating & cooling combined units

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

View all

Maintaining your air conditioner

Learn how to maintain your central air conditioner to keep it running smoothly all summer long.…

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.…

Top questions about Sears and Sears PartsDirect

Model # WS900B/P6978504R Official Amana air conditioner & heater

Model diagram and schematic

SEARCH WITHIN THIS MODEL

Most common symptoms to help you fix your heating & cooling combined units

Why is my furnace not blowing hot enough?

Why isn’t my air conditioner cooling well?

Why isn’t my air conditioner cooling?

Why won't my air conditioner turn on?

Why won't my furnace turn on?

Why won’t my furnace burners won’t stay lit?

Most common repair guides to help fix your heating & cooling combined units

How to unclog the air conditioner drain line

How to replace the furnace flame sensor

How to replace a heating and air conditioning system thermostat

Effective articles & videos to help repair your heating & cooling combined units

Maintaining your air conditioner

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

Top questions about Sears and Sears PartsDirect

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