Whirlpool
Gas Water Heater

Model #NU50T61-403 Official Whirlpool water heater

Here are the diagrams and repair parts for Whirlpool NU50T61-403 water heater, as well as links to manuals and error code tables, if available.

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Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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Owner’s manualError Codes

Showing 6 of 6 parts

Water Heater High-Temperature Sensor#NI

Water heater Diagram

Water heater high-temperature sensor

Part #6911130
BEST SELLER
In Stock
$48.69 | 
9% OFF 
Phone Price: $53.69
Water Heater Pilot Assembly#1

Water heater Diagram

Water heater pilot assembly

Part #6911129
BEST SELLER
In Stock
$76.09 | 
6% OFF 
Phone Price: $81.09
Water Heater Gas Valve and Temperature Control Assembly#NI

Water heater Diagram

In Stock
$220.99 | 
$10.00 OFF 
Phone Price: $230.99
Water Heater Burner Orifice#NI

Water heater Diagram

Water heater burner orifice

Part #186016-033
Replaced by #186016-033
?
Manufacturer substitution
This part replaces 186016-033. Substitute parts can look different from the original.
Back Order
$15.43 | 
11% OFF 
Phone Price: $17.43
Water Heater Dip Tube#NI

Water heater Diagram

Water heater dip tube

Part #4710745
This item is not returnable
In Stock
$18.49 | 
10% OFF 
Phone Price: $20.49
Water Heater Burner Assembly (replaces 100342835)#2

Water heater Diagram

Water heater burner assembly

Part #6911124
Replaced by #100346617
?
Manufacturer substitution
This part replaces 6911124. Substitute parts can look different from the original.
In Stock
$423.90

Symptoms common to all water heaters

Choose a symptom to see related water heater repairs.

Main causes: lack of power, no gas supply, thermostat limit switch tripped, bad element, bad thermostat, gas valve failure, bad thermocouple
Main causes: water supply needs chlorine treatment, anode rod too reactive
Main causes: thermostats need adjustment, water heater capacity too low, bad heating element, thermostat failure, excessive tank sediment
Main causes: thermostat temperature set too high, thermostats need adjustment, faulty thermostat, shorted heating element
Main causes: faulty pressure relief valve, water is overheating
Main causes: broken heating element, thermostat failure, excessive tank sediment, tank size too small, burner valve assembly failure
Main causes: loose water pipe fittings, leaky drain valve, bad temperature-pressure relief valve, leaky heating element, cracked tank

Articles and videos common to all water heaters

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

October 24, 2022

Easy DIY appliance repairs that anyone can do

By Lyle Weischwill

Get advice on simple DIY fixes for appliances that you can safely do on your own.

April 10, 2020

Cleaning your appliances after a drinking water advisory

By Wayne Archer

Find out how to clean and flush household appliances once a boil water advisory is lifted.

August 1, 2015

Easy DIY water heater repairs

By Lyle Weischwill

Read about some water heater repairs that you can easily do yourself.