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ICP
Heating & Cooling Combined Unit

Model # NRGF42DDB03 Official ICP electric cooling & gas heating combination unit

Here are the diagrams and repair parts for Official ICP NRGF42DDB03 electric cooling & gas heating combination unit, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 259 parts  |
Motor 1/3 Hp 521769
Motor 1/3 hp

Part #521769

Replaced by #WG840465

?
Manufacturer substitution
This part replaces 521769. Substitute parts can look different from the original.
BEST SELLER
$150.11
In Stock
Fan Motor 521768
#4A

Cooling section diagram

Fan motor

Part #521768

Replaced by #WG840465

?
Manufacturer substitution
This part replaces 521768. Substitute parts can look different from the original.
BEST SELLER
$150.11
In Stock
Motor 520939
Motor

Part #520939

Replaced by #45461

?
Manufacturer substitution
This part replaces 520939. Substitute parts can look different from the original.
BEST SELLER
$207.04
In Stock
Motor 520938
#7

Heating section and blower diagram

Motor

Part #520938

Replaced by #45461

?
Manufacturer substitution
This part replaces 520938. Substitute parts can look different from the original.
BEST SELLER
$207.04
In Stock
Relay 705329
Relay

Part #705329

Replaced by #WR90-370

?
Manufacturer substitution
This part replaces 705329. Substitute parts can look different from the original.
$21.63 | 
22% OFF Phone Price : $27.63
In Stock
Contactor 521843
#17C

Cooling section diagram

Contactor

Part #521843

Replaced by #90-170

?
Manufacturer substitution
This part replaces 521843. Substitute parts can look different from the original.
$35.09 | 
15% OFF Phone Price : $41.09
In Stock
Shield Rain 605088
Shield rain

Part #605088

$421.33
In Stock
Furnace Burner Roll-out Limit Switch 522559
Furnace burner roll-out limit switch

Part #522559

$31.84 | 
16% OFF Phone Price : $37.84
In Stock
Bracket, Pil 521425
Bracket, pil

Part #521425

$60.22
In Stock
Sears Blower Wheel 1056309
Sears blower wheel

Part #1056309

$174.68
In Stock

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…

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Why isn’t my air conditioner cooling well?

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

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Why isn’t my air conditioner cooling?

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

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

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

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Why won't my air conditioner turn on?

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

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Why won't my furnace turn on?

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

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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

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…

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Repair difficulty
Time required
 15 minutes or less
How to replace the furnace flame sensor

How to replace the furnace flame sensor

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How to replace a heating and air conditioning system thermostat

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.…

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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.

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Maintaining your air conditioner

Maintaining your air conditioner

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

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How to prevent the 2 most common AC failures from ruining your summer

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