Get free shipping on your order, with any water filter subscription. Find my filter

Open Hamburger Menu
Sears Parts Direct
Tips to find your model number
Boss 5-40-NGRT6 gas water heater

Boss 5-40-NGRT6 gas water heater Parts

Here are the diagrams and repair parts for Boss 5-40-NGRT6 gas water heater, as well as links to manuals and error code tables, if available.

By Schematic
SELECT DIAGRAM
?

This is the number corresponding to the part on the diagram / schematic

Browse Parts for 5-40-NGRT6 Water Heaters

  • Extension Nipple for Boss 5-40-NGRT6 - Part 9000399

    Round gas diagram

    Extension Nipple

    Part #9000399

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

  • Gasket for Boss 5-40-NGRT6 - Part 9000926

    Round gas diagram

    Gasket

    Part #9000926

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

  • Outer Door for Boss 5-40-NGRT6 - Part 9000351

    Round gas diagram

    Outer Door

    Part #9000351

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

  • & 322841 for Boss 5-40-NGRT6 - Part N/P

    & 322841

    Part #N/P

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

  • Mnfld W/orfc for Boss 5-40-NGRT6 - Part 9001431

    Mnfld W/orfc

    Part #9001431

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

  • Access Bolt for Boss 5-40-NGRT6 - Part 9000928

    Round gas diagram

    Access Bolt

    Part #9000928

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

  • Access for Boss 5-40-NGRT6 - Part 9000927

    Round gas diagram

    Access

    Part #9000927

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

  • Pilot for Boss 5-40-NGRT6 - Part 9000286

    Round gas diagram

    Pilot

    Part #9000286

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

  • Draf Hood for Boss 5-40-NGRT6 - Part 9000272

    Round gas diagram

    Draf Hood

    Part #9000272

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

  • Manifold Cover for Boss 5-40-NGRT6 - Part 9000355

    Round gas diagram

    Manifold Cover

    Part #9000355

    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: faulty pressure relief valve, water is overheating…

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

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

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

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

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.

Quiz: Are you abusing your appliances?

Quiz: Are you abusing your appliances?

Take our quiz to see how well you treat your appliances. Then, find out what you can do to help them last longer.…

Water heater common questions

Water heater common questions

These common questions and answers can help you make the most of your water heater.…

Easy DIY water heater repairs

Easy DIY water heater repairs

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

Parts & More

Dishwasher
Electric Range
Electric Snowblower
Microwave/Hood Combo
Parts
Range
Top-Mount Refrigerator