Rheem
Air Handler

Model # HQA SIZE 11 Official Rheem air handler

Here are the diagrams and repair parts for Official Rheem HQA-SIZE-11 air handler, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

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

Search
ALL PARTS
Showing 10 of 355 parts  |

Contactor 42-20616-01

#NI

All parts diagram

Contactor

Part #42-20616-01

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

Relay 42-19423-05
Relay

Part #42-19423-05

Replaced by #WR90-370

?
Manufacturer substitution
This part replaces 42-19423-05. Substitute parts can look different from the original.
$21.63
22% OFF Phone Price : $27.63
In Stock
Relay-plug 42-19423-01
Relay-plug

Part #42-19423-01

Replaced by #WR90-370

?
Manufacturer substitution
This part replaces 42-19423-01. Substitute parts can look different from the original.
$21.63
22% OFF Phone Price : $27.63
In Stock
Filter 54-19655-12
#12B

Replacement parts diagram

Filter

Part #54-19655-12

In Stock
Relay 42-21593-01

#NI

All parts diagram

Relay

Part #42-21593-01

In Stock
Filter 54-19655-13
#12C

Replacement parts diagram

Filter

Part #54-19655-13

In Stock
Relay 42-21593-02

#NI

All parts diagram

Relay

Part #42-21593-02

In Stock
Central Air Conditioner Air Handler Blower Motor 51-21543-01
#20B

Replacement parts diagram

Central air conditioner air handler blower motor

Part #51-21543-01

In Stock
Blower Wheel 70-17426-02
#23C

Replacement parts diagram

Blower wheel

Part #70-17426-02

In Stock
Limit Switch 47-20045-06
#34H

Replacement parts diagram

Limit switch

Part #47-20045-06

In Stock

Symptoms for gas line trimmers

Choose a symptom to see related grass line trimmer repairs.

Main causes: stale fuel, cracked fuel lines, dirty carburetor, bad spark plug, worn piston rings…

Main causes: stale fuel, clogged fuel filter, faulty spark plug, clogged air filter, cracked fuel lines, clogged carbure…

Main causes: cracked fuel lines, bad carburetor seals, leaky fuel tank cap, damaged fuel tank…

Repair guides for gas line trimmers

These step-by-step repair guides will help you safely fix what’s broken on your grass line trimmer.

How to rebuild a line trimmer carburetor

How to rebuild a line trimmer carburetor

If the line trimmer engine won't start even though there's fuel in the tank, the carburetor could be the problem. Follow…

Repair difficulty
Time required
 15 minutes or less
How to replace a line trimmer carburetor

How to replace a line trimmer carburetor

If the line trimmer won't start even though there's fuel in the tank, the carburetor could be the problem. Follow these …

Repair difficulty
Time required
 15 minutes or less
How to replace a line trimmer fuel line

How to replace a line trimmer fuel line

The fuel line on a grass line trimmer deteriorates with time and eventually can split or crack. You can replace it yours…

Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your air handlers

Use the advice and tips in these articles and videos to get the most out of your grass line trimmer.

Introducing new technical repair content that we’re developing for the Sears Technical Institute

Introducing new technical repair content that we’re developing for the Sears Technical Institute

Learn about Sears Technical Institute and the advanced technical content being developed for aspiring appliance techs.…