Model # NU50T62-403 Official Whirlpool water heater

Here are the diagrams and repair parts for Official Whirlpool NU50T62-403 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”.

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.

Error Codes

Model diagram and schematic

SEARCH WITHIN THIS MODEL

ALL PARTS

Showing 6 of 6 parts |

Water heater diagram

Water heater burner assembly

Part #6911124

Replaced by #100346617

$305.71 |

$12.00 OFF Phone Price : $317.71

In Stock

Qty

#NI

Water heater diagram

Water heater gas control valve

Part #6911128

Replaced by #100346615

$197.00

In Stock

Qty

Water Heater High-temperature Sensor 6911130

#NI

Water heater diagram

Water heater high-temperature sensor

Part #6911130

Replaced by #100340535

$47.23 |

11% OFF Phone Price : $53.23

In Stock

Qty

#NI

Water heater diagram

Water heater dip tube

Part #4710745

Replaced by #100111192

$28.89

In Stock

Qty

#NI

Water heater diagram

Water heater burner orifice

Part #186016-033

Replaced by #186016-033

$15.43 |

11% OFF Phone Price : $17.43

In Stock

Qty

Water heater diagram

Water heater pilot assembly

Part #6911129

Replaced by #100093972

$130.00

In Stock

Qty

Most common symptoms to help you fix your water heaters

Choose a symptom to see related water heater repairs.

View all

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…

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.

View all

Wiring schematic symbols explained video

Model # NU50T62-403 Official Whirlpool 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?

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

Parts & More

Stay Connected

Quick links

Let us help you

More resources