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Reliance
Water Heater

Model # 1-40-2HMS7 Official Reliance electric water heater

Here are the diagrams and repair parts for Official Reliance 1-40-2HMS7 electric water heater, as well as links to manuals and error code tables, if available.

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Error Codes

Model diagram and schematic

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ALL PARTS
Showing 10 of 19 parts  |
Thermostat 9000510
#14

Replacement parts diagram

Thermostat

Part #9000510

Replaced by #9001954015

?
Manufacturer substitution
This part replaces 9000510. Substitute parts can look different from the original.
BEST SELLER
$28.09 | 
18% OFF Phone Price : $34.09
In Stock
Thermostat 9000507
#8

Replacement parts diagram

Thermostat

Part #9000507

Replaced by #9000507015

?
Manufacturer substitution
This part replaces 9000507. Substitute parts can look different from the original.
BEST SELLER
$32.20 | 
16% OFF Phone Price : $38.20
In Stock
Water Heater Heating Element Gasket 9000308
#6

Replacement parts diagram

Water heater heating element gasket

Part #9000308

Replaced by #9000308005

?
Manufacturer substitution
This part replaces 9000308. Substitute parts can look different from the original.
$30.62 | 
16% OFF Phone Price : $36.62
In Stock
Rexel Pan Base 9001609
#19A

Replacement parts diagram

Rexel pan base

Part #9001609

Replaced by #100108616

?
Manufacturer substitution
This part replaces 9001609. Substitute parts can look different from the original.
$64.44
In Stock
Thermostat 9000508
#10

Replacement parts diagram

Thermostat

Part #9000508

Replaced by #100108424

?
Manufacturer substitution
This part replaces 9000508. Substitute parts can look different from the original.
$30.00
In Stock
Nipple 9000327
#3

Replacement parts diagram

Nipple

Part #9000327

Replaced by #9002564

?
Manufacturer substitution
This part replaces 9000327. Substitute parts can look different from the original.
$19.19 | 
9% OFF Phone Price : $21.19
In Stock
Drain Pan 9000743
#19B

Replacement parts diagram

Drain pan

Part #9000743

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

Water Heater Thermostat Bracket (replaces 0110238, 0110238-01, 0110322, 9000309015) 9000309
#7

Replacement parts diagram

Water heater thermostat bracket (replaces 0110238, 0110238-01, 0110322, 9000309015)

Part #9000309

Replaced by #100108380

?
Manufacturer substitution
This part replaces 9000309. Substitute parts can look different from the original.
$27.78
In Stock
Box Cover 9001327
#4

Replacement parts diagram

Box cover

Part #9001327

Replaced by #100108548

?
Manufacturer substitution
This part replaces 9001327. Substitute parts can look different from the original.
$26.67
In Stock
Anode Rod 9001822
#16

Replacement parts diagram

Anode rod

Part #9001822

Replaced by #100109624

?
Manufacturer substitution
This part replaces 9001822. Substitute parts can look different from the original.
$31.11
In Stock

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How to replace a water heater element

How to replace a water heater element

If your water heater runs out of hot water quickly and one of the two heating elements has failed, replace the element f…

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Repair difficulty
Time required
 30 minutes or less
How to replace a water heater temperature and pressure (T&P) relief valve

How to replace a water heater temperature and pressure (T&P) relief valve

Replace a broken temperature/pressure (T&P) relief valve on an electric water heater using these instructions.…

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Repair difficulty
Time required
 15 minutes or less
How to replace an electric water heater thermostat

How to replace an electric water heater thermostat

If the water temperature fluctuates or you don't get enough hot water, follow these instructions to replace your water h…

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Repair difficulty
Time required
 30 minutes or less

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How to read a wiring schematic video

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Water heater common questions

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