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A. O. Smith 

A.O. Smith helps deliver hot water to showers, laundry machines, and other fixtures of daily life. It's easy to take hot water for granted thanks to the superior performance and durable quality of A.O. Smith's water heaters and other water products. After 70 years of delivering your hot water, this brand has ventured out into water purification as well. When it's time to perform maintenance on your A.O. Smith equipment, you can trust Heritage Parts to deliver the 100% genuine A.O. Smith replacement parts such as hot water parts you need for the job. Our dedicated parts specialists are on the job to help you choose the right part for your needs, then we'll ship it out to you quickly. Right Part, Right Time, Every Time!™ Read More
  • A. O. SMITH K,IGNITER-HCG COMM

    A. O. SMITH K,IGNITER-HCG COMM

    • Heritage Part #:  AOS100110899
    • Manufacturer Part #:  100110899
    • Manufacturer:  A. O. Smith
    Quantity Available:  19
    In stock, ships today
    List Price: $143.00
  • A. O. SMITH FINAL BURNER ASSY NAT

    A. O. SMITH FINAL BURNER ASSY NAT

    • Heritage Part #:  AOS100112345
    • Manufacturer Part #:  100112345
    • Manufacturer:  A. O. Smith
    Quantity Available:  1
    In stock, ships today
    List Price: $135.00
  • A. O. SMITH FLAME SENSOR

    A. O. SMITH FLAME SENSOR

    • Heritage Part #:  AOS100110905
    • Manufacturer Part #:  100110905
    • Manufacturer:  A. O. Smith
    Quantity Available:  9
    In stock, ships today
    List Price: $84.00
  • A. O. SMITH BLOWER PROVER PRESS SWITCH

    A. O. SMITH BLOWER PROVER PRESS SWITCH

    • Heritage Part #:  AOS100111056
    • Manufacturer Part #:  100111056
    • Manufacturer:  A. O. Smith
    Quantity Available:  2
    In stock, ships today
    List Price: $94.00
  • A. O. SMITH FLAME SENSOR

    A. O. SMITH FLAME SENSOR

    • Heritage Part #:  AOS100109908
    • Manufacturer Part #:  100109908
    • Manufacturer:  A. O. Smith
    Quantity Available:  1
    In stock, ships today
    List Price: $52.00
  • A. O. SMITH THERMOCOUPLE

    A. O. SMITH THERMOCOUPLE

    • Heritage Part #:  AOS100108267
    • Manufacturer Part #:  100108267
    • Manufacturer:  A. O. Smith
    Quantity Available:  1
    In stock, ships today
    List Price: $15.00
  • A. O. SMITH IGNITOR

    A. O. SMITH IGNITOR

    • Heritage Part #:  AOS100187881
    • Manufacturer Part #:  100187881
    • Manufacturer:  A. O. Smith
    Quantity Available:  1
    In stock, ships today
    List Price: $162.00
  • A. O. SMITH IGNITOR

    A. O. SMITH IGNITOR

    • Heritage Part #:  AOS100191120
    • Manufacturer Part #:  100191120
    • Manufacturer:  A. O. Smith
    Quantity Available:  0
    Contact us for lead time
    List Price: $104.00
  • A. O. SMITH AIR SHUTTER

    A. O. SMITH AIR SHUTTER

    • Heritage Part #:  AOS100109962
    • Manufacturer Part #:  100109962
    • Manufacturer:  A. O. Smith
    Quantity Available:  2
    In stock, ships today
    List Price: $94.00
  • A. O. SMITH K,GASKET,CLEANOUT

    A. O. SMITH K,GASKET,CLEANOUT

    • Heritage Part #:  AOS100109686
    • Manufacturer Part #:  100109686
    • Manufacturer:  A. O. Smith
    Quantity Available:  3
    In stock, ships today
    List Price: $18.00
  • A. O. SMITH BLOWER MOTOR

    A. O. SMITH BLOWER MOTOR

    • Heritage Part #:  AOS100111050
    • Manufacturer Part #:  100111050
    • Manufacturer:  A. O. Smith
    Quantity Available:  1
    In stock, ships today
    List Price: $1,042.00
  • A. O. SMITH IGNITER

    A. O. SMITH IGNITER

    • Heritage Part #:  AOS100109906
    • Manufacturer Part #:  100109906
    • Manufacturer:  A. O. Smith
    Quantity Available:  1
    In stock, ships today
    List Price: $247.00
  • A. O. SMITH K,FLAME SENSOR

    A. O. SMITH K,FLAME SENSOR

    • Heritage Part #:  AOS100187882
    • Manufacturer Part #:  100187882
    • Manufacturer:  A. O. Smith
    Quantity Available:  0
    Contact us for lead time
    List Price: $120.00
  • A. O. SMITH IGNITOR

    A. O. SMITH IGNITOR

    • Heritage Part #:  AOS100111644
    • Manufacturer Part #:  100111644
    • Manufacturer:  A. O. Smith
    Quantity Available:  1
    In stock, ships today
    List Price: $125.00
  • A. O. SMITH K,PILOT BURNER,NAT

    A. O. SMITH K,PILOT BURNER,NAT

    • Heritage Part #:  AOS100109926
    • Manufacturer Part #:  100109926
    • Manufacturer:  A. O. Smith
    Quantity Available:  1
    In stock, ships today
    List Price: $75.00
  • A. O. SMITH FLAME SENSOR

    A. O. SMITH FLAME SENSOR

    • Heritage Part #:  AOS100110707
    • Manufacturer Part #:  100110707
    • Manufacturer:  A. O. Smith
    Quantity Available:  4
    In stock, ships today
    List Price: $72.00
  • A. O. SMITH THERMOSTAT

    A. O. SMITH THERMOSTAT

    • Heritage Part #:  AOS100109920
    • Manufacturer Part #:  100109920
    • Manufacturer:  A. O. Smith
    Quantity Available:  0
    Contact us for lead time
    List Price: $63.00
  • A. O. SMITH K,IGNITER,SERIES 130/131

    A. O. SMITH K,IGNITER,SERIES 130/131

    • Heritage Part #:  AOS100113150
    • Manufacturer Part #:  100113150
    • Manufacturer:  A. O. Smith
    Quantity Available:  1
    In stock, ships today
    List Price: $100.00
  • A.O. SMITH GASKET BURNER

    A.O. SMITH GASKET BURNER

    • Heritage Part #:  AOS9006100205
    • Manufacturer Part #:  9004099015
    • Manufacturer:  A. O. Smith
    This Part has been replaced by:
    Quantity Available:  0
    Contact us for lead time
    Contact customer service for product pricing
  • A. O. SMITH USER INTERFACE MODULE

    A. O. SMITH USER INTERFACE MODULE

    • Heritage Part #:  AOS100111017
    • Manufacturer Part #:  100111017
    • Manufacturer:  A. O. Smith
    Quantity Available:  1
    In stock, ships today
    List Price: $275.00
  • A. O. SMITH GAS VALVE (NAT)

    A. O. SMITH GAS VALVE (NAT)

    • Heritage Part #:  AOS100109913
    • Manufacturer Part #:  100109913
    • Manufacturer:  A. O. Smith
    Quantity Available:  0
    Contact us for lead time
    List Price: $306.00