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Thermo-King
Water Heater

Model # 1-30-1KOS8 Official Thermo-King electric water heater

Here are the diagrams and repair parts for Official Thermo-King 1-30-1KOS8 electric water heater, 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”.

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Error Codes

Model diagram and schematic

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ALL PARTS
Showing 10 of 23 parts  |
Thermostat 9000510
#7

Round electric diagram

Thermostat

Part #9000510

Replaced by #9001954015

?
Manufacturer substitution
This part replaces 9000510. Substitute parts can look different from the original.
BEST SELLER
$28.93 | 
17% OFF Phone Price : $34.93
In Stock
Thermostat 9000507
#11

Round electric diagram

Thermostat

Part #9000507

Replaced by #9000507015

?
Manufacturer substitution
This part replaces 9000507. Substitute parts can look different from the original.
BEST SELLER
$33.17 | 
15% OFF Phone Price : $39.17
In Stock
Anode Rod 9000705
#2

Round electric diagram

Anode rod

Part #9000705

Replaced by #100300397

?
Manufacturer substitution
This part replaces 9000705. Substitute parts can look different from the original.
$55.38 | 
10% OFF Phone Price : $61.38
In Stock
Anode 33 In 9000029
#16

Round electric diagram

Anode 33 in

Part #9000029

Replaced by #100108260

?
Manufacturer substitution
This part replaces 9000029. Substitute parts can look different from the original.
$48.89
In Stock
Access 9000927
#21

Round electric diagram

Access

Part #9000927

This item is not returnable
$4.99
In Stock
Access Bolt 9000928
#20

Round electric diagram

Access bolt

Part #9000928

This item is not returnable
$4.99
In Stock
Access Cover 9001764
#19

Round electric diagram

Access cover

Part #9001764

This item is not returnable
$5.99
In Stock
Thermostat 9000509
#9A

Round electric diagram

Thermostat

Part #9000509

Replaced by #100108424

?
Manufacturer substitution
This part replaces 9000509. Substitute parts can look different from the original.
$30.00
In Stock
Wheelers Water Heater Temperature And Pressure Relief Valve 9000728
#1

Round electric diagram

Wheelers water heater temperature and pressure relief valve

Part #9000728

Replaced by #100108455

?
Manufacturer substitution
This part replaces 9000728. Substitute parts can look different from the original.
$35.56
In Stock
Drain 9000058
#13

Round electric diagram

Drain

Part #9000058

Replaced by #100108269

?
Manufacturer substitution
This part replaces 9000058. Substitute parts can look different from the original.
$18.57
In Stock

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Why is my water heater's pressure relief valve dripping water?

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If your hot water begins to smell like rotten eggs, replace the anode rod with a zinc-aluminum anode rod following the i…

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Time required
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How to replace an electric water heater thermostat

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Time required
 30 minutes or less

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