Schwank
Wall Heater

Model # CV740N Official Schwank gas-fired vented counterflow wall furnace

Here are the diagrams and repair parts for Official Schwank CV740N gas-fired vented counterflow wall furnace, 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 79 parts  |

Thermostat A110621-G1
#60

Functional replacement parts diagram

Thermostat

Part #A110621-G1

Replaced by #1E30N-910

?
Manufacturer substitution
This part replaces A110621-G1. Substitute parts can look different from the original.
$81.43
6% OFF Phone Price : $86.43
In Stock
Draft Hood C120046-G1
#31

Functional replacement parts diagram

Draft hood

Part #C120046-G1

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

Cont Tup Asy D120065-G1-1
#4

Functional replacement parts diagram

Cont tup asy

Part #D120065-G1-1

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

Valve B120103-G1
#42

Functional replacement parts diagram

Valve

Part #B120103-G1

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

Front Panel Assembly C120182-G1
#26

Functional replacement parts diagram

Front panel assembly

Part #C120182-G1

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

Mntg Brckt B120040-G1
#58

Functional replacement parts diagram

Mntg brckt

Part #B120040-G1

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

Burner D120062-G1
#34

Functional replacement parts diagram

Burner

Part #D120062-G1

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

Gskt Spnge A120093-G3
#24

Functional replacement parts diagram

Gskt spnge

Part #A120093-G3

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

Pilot Orific A110340-G2
#41A

Functional replacement parts diagram

Pilot orific

Part #A110340-G2

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

Pilot Burner B107990-G1
#39A

Functional replacement parts diagram

Pilot burner

Part #B107990-G1

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

Symptoms for top-mount refrigerators

Main causes: frozen or clogged defrost drain tube, cracked water system tubing…

Repair guides for top-mount refrigerators

How to replace a door gasket in a top-freezer refrigerator

How to replace a door gasket in a top-freezer refrigerator

The door gasket seals the gap around the door to keep the cold air in and the warm air out. It’s easy to replace a worn …

Repair difficulty
Time required
 15 minutes or less
How to replace the defrost thermistor in a top-freezer refrigerator

How to replace the defrost thermistor in a top-freezer refrigerator

The defrost thermistor attaches to the evaporator coil and measures the evaporator coil temperature during defrost.…

Repair difficulty
Time required
 15 minutes or less
How to replace the defrost heater in a top-freezer refrigerator

How to replace the defrost heater in a top-freezer refrigerator

The refrigerator defrost heater melts frost from the freezer’s evaporator fins. Replace the defrost heater if it doesn't…

Repair difficulty
Time required
 30 minutes or less

Articles and videos for top-mount refrigerators

How to Replace the Water Filter in a GE Refrigerator

How to Replace the Water Filter in a GE Refrigerator

See how to install the water filter on your GE refrigerator, no matter the filter type or refrigerator style.…

How to Replace the Water Filter in a Maytag Refrigerator

How to Replace the Water Filter in a Maytag Refrigerator

No matter what style Maytag refrigerator you have, we can walk you through replacing the water filter.…

How to Replace the Water Filter in a Frigidaire Refrigerator

How to Replace the Water Filter in a Frigidaire Refrigerator

No matter what style Frigidaire refrigerator you own, we can help you replace the water filter.…