Model # W154-2 Official InSinkErator water heater

Here are the diagrams and repair parts for Official InSinkErator W154-2 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 37 parts |

#20

Replacement parts diagram

Lead wire

Part #41965

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

#27

Replacement parts diagram

Cover assembly

Part #42318

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

Replacement parts diagram

Lock nut

Part #42413

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

#10

Replacement parts diagram

Heater washer

Part #41307

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

#17

Replacement parts diagram

Cover t-stat

Part #41827

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

#13

Replacement parts diagram

Stand off

Part #41828

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

#25

Replacement parts diagram

Screw

Part #41990

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

Replacement parts diagram

Dip tube

Part #41951

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

#14

Replacement parts diagram

Thermostat

Part #41695

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

#23

Replacement parts diagram

Case assembly

Part #42317

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.

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Why isn't my water heater heating my water?

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

Why isn't my water heater making the water hot enough?

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

Why is there water in my water heater's drain pan?

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

Why does my hot water smell like rotten eggs?

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

Why isn't my water heater making enough hot water?

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

Why is my water heater making the water too hot?

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

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

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

Repair guides for electric water heaters

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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…

Repair difficulty

Time required

30 minutes or less

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…

Repair difficulty

Time required

30 minutes or less

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.…

Repair difficulty

Time required

15 minutes or less

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

Model # W154-2 Official InSinkErator water heater

Model diagram and schematic

SEARCH WITHIN THIS MODEL

Most common symptoms to help you fix your water heaters

Why isn't my water heater heating my water?

Why isn't my water heater making the water hot enough?

Why is there water in my water heater's drain pan?

Why does my hot water smell like rotten eggs?

Why isn't my water heater making enough hot water?

Why is my water heater making the water too hot?

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

Repair guides for electric water heaters

How to replace a water heater element

How to replace an electric water heater thermostat

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

Effective articles & videos to help repair your water heaters

Wiring schematic symbols explained video

Using a wiring schematic to trace a current video

Easy DIY water heater repairs

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