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Boss 5-40-NKRS7 gas water heater

Boss 5-40-NKRS7 gas water heater Parts

Here are the diagrams and repair parts for Boss 5-40-NKRS7 gas water heater, as well as links to manuals and error code tables, if available.

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Browse Parts for 5-40-NKRS7 Water Heaters

  • K,drain Pan for Boss 5-40-NKRS7 - Part 100108616

    Round gas diagram

    Rexel Pan Base

    Part #9001609

    Replaced by #100108616

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    Manufacturer substitution
    This part replaces 9001609. Substitute parts can look different from the original.
    In Stock
    $102.12
    Minus Item
    Qty
    Plus Item
  • Water Heater Manifold Inner Door for Boss 5-40-NKRS7 - Part 100108371

    Round gas diagram

    Water Heater Manifold Inner Door

    Part #9000281

    Replaced by #100108371

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    Manufacturer substitution
    This part replaces 9000281. Substitute parts can look different from the original.
    In Stock
    $58.02
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    Qty
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  • K,flue Restr for Boss 5-40-NKRS7 - Part 100108369

    Round gas diagram

    Ring

    Part #9000275

    Replaced by #100108369

    Info Icon
    Manufacturer substitution
    This part replaces 9000275. Substitute parts can look different from the original.
    In Stock
    $53.73
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  • Water Heater Anode Rod for Boss 5-40-NKRS7 - Part 100108571

    Round gas diagram

    Anode Rod

    Part #9000707

    Replaced by #100108571

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    Manufacturer substitution
    This part replaces 9000707. Substitute parts can look different from the original.
    In Stock
    $140.32
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    Qty
    Plus Item
  • K,dip Tube,p for Boss 5-40-NKRS7 - Part 100108765

    Round gas diagram

    Dip Tube

    Part #9001839

    Replaced by #100108765

    Info Icon
    Manufacturer substitution
    This part replaces 9001839. Substitute parts can look different from the original.
    In Stock
    $36.53
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    Qty
    Plus Item
  • Kenmore Water Heater Temperature And Pressure Relief Valve for Boss 5-40-NKRS7 - Part 100108279

    Round gas diagram

    Water Heater Temperature And Pressure Relief Valve

    Part #9000071

    Replaced by #100108279

    Info Icon
    Manufacturer substitution
    This part replaces 9000071. Substitute parts can look different from the original.
    In Stock
    $77.83
    7% OFF Phone Price : $83.83Info Icon
    Minus Item
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  • Plate for Boss 5-40-NKRS7 - Part 0270116

    Round gas diagram

    Plate

    Part #0270116

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

  • Extension Nipple for Boss 5-40-NKRS7 - Part 9000399

    Round gas diagram

    Extension Nipple

    Part #9000399

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

  • & 322841 for Boss 5-40-NKRS7 - Part N/P

    & 322841

    Part #N/P

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

  • Pilot for Boss 5-40-NKRS7 - Part 9000286

    Round gas diagram

    Pilot

    Part #9000286

    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.…

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