Reliance/Central Hardware
Gas Water Heater

Model # 5-40-NKRS8-2 Official Reliance/Central Hardware gas water heater

Here are the diagrams and repair parts for Official Reliance/Central Hardware 5-40-NKRS8-2 gas water heater, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 26 parts  |

Water Heater Temperature And Pressure Relief Valve 9000728
#20

Functional replacement parts diagram

Water heater temperature and pressure relief valve

Part #9000728

$28.29
15% OFF Phone Price : $33.29
In Stock
Water Heater Drain Valve 9000254
#19

Functional replacement parts diagram

Water heater drain valve

Part #9000254

This item is not returnable
$17.69
10% OFF Phone Price : $19.69
In Stock
Anode Rod 9000707
#21

Functional replacement parts diagram

Anode rod

Part #9000707

Replaced by #9001453

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Manufacturer substitution
This part replaces 9000707. Substitute parts can look different from the original.
$84.66
6% OFF Phone Price : $89.66
In Stock
Water Heater Manifold Inner Door 9000281
#18

Functional replacement parts diagram

Water heater manifold inner door

Part #9000281

$17.69
10% OFF Phone Price : $19.69
In Stock
Ring 9000275
#3

Functional replacement parts diagram

Ring

Part #9000275

In Stock
Water Heater Pilot Tube Assembly (replaces Std317025, Std317255) 9000278
#13

Functional replacement parts diagram

Water heater pilot tube assembly (replaces std317025, std317255)

Part #9000278

This item is not returnable
$17.69
10% OFF Phone Price : $19.69
In Stock
Thermostat 9000249
#9

Functional replacement parts diagram

Thermostat

Part #9000249

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

Drain Pan 9000743
#26B

Functional replacement parts diagram

Drain pan

Part #9000743

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

Dip Tube 9001839
#5

Functional replacement parts diagram

Dip tube

Part #9001839

Replaced by #9002363

?
Manufacturer substitution
This part replaces 9001839. Substitute parts can look different from the original.
In Stock
Water Heater Thermocouple 9000283
#14

Functional replacement parts diagram

Water heater thermocouple

Part #9000283

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

Most common symptoms to help you fix your water heaters

Choose a symptom to see related water heater repairs.

Main causes: thermostats need adjustment, water heater capacity too low, bad heating element, thermostat failure, excess…

Main causes: loose water pipe fittings, leaky drain valve, bad temperature-pressure relief valve, leaky heating element,…

Main causes: water supply needs chlorine treatment, anode rod too reactive…

Main causes: lack of power, no gas supply, thermostat limit switch tripped, bad element, bad thermostat, gas valve failu…

Main causes: broken heating element, thermostat failure, excessive tank sediment, tank size too small, burner valve asse…

Main causes: thermostat temperature set too high, thermostats need adjustment, faulty thermostat, shorted heating elemen…

Main causes: faulty pressure relief valve, water is overheating…

Effective articles & videos to help repair your water heaters

Use the advice and tips in these articles and videos to get the most out of your water heater.

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Wiring schematic symbols explained video

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Using a wiring schematic to trace a current video

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Easy DIY water heater repairs

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