Skip to Navigation Skip to Content

ribbon image Stock Up on Real OEM HVAC Parts for the Summer Season!  SHOP NOW

Important Update: Click here for the latest information on tariffs and their impact on our industry.

Lochinvar FB3501 Parts

Lochinvar FB3501 Parts & Manuals

Crest Condensing Boiler
In a bind and need parts today? 
1-hour pickup  Your Location: 432 15
  • Lochinvar 100305005 BURNER ASSEMBLY W/GASKETS
    Lochinvar 100305005 BURNER ASSEMBLY W/GASKETS
       
    • Mfr: Lochinvar
    • Mfr Part #: 100305005
    • LOC100305005
    • Quantity Available: 0
    Something went wrong. Please try again.
    Out of Stock, backorders usually ship in 13-15 days.
  • Lochinvar 100305007 K,BURNER ASSY,W/GKT,FB5001
    Lochinvar 100305007 K,BURNER ASSY,W/GKT,FB5001
       
    • Mfr: Lochinvar
    • Mfr Part #: 100305007
    • LOC100305007
    • Quantity Available: 0
    Something went wrong. Please try again.
    Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.
  • Lochinvar 100305009 K,MNFLD,GAS/AIR,W/GSKT,FB4001-6001
    Lochinvar 100305009 K,MNFLD,GAS/AIR,W/GSKT,FB4001-6001
       
    • Mfr: Lochinvar
    • Mfr Part #: 100305009
    • LOC100305009
    • Quantity Available: 0
    Something went wrong. Please try again.
    Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.
  • Lochinvar 100305010 K,GASKET,MANIFOLD
    Lochinvar 100305010 K,GASKET,MANIFOLD
       
    • Mfr: Lochinvar
    • Mfr Part #: 100305010
    • LOC100305010
    • Quantity Available: 0
    Something went wrong. Please try again.
    Out of Stock, backorders usually ship in 10-12 days.
  • Lochinvar 100306265 K,VENTURI ASSY,FB4001-6001
    Lochinvar 100306265 K,VENTURI ASSY,FB4001-6001
       
    • Mfr: Lochinvar
    • Mfr Part #: 100306265
    • LOC100306265
    • Quantity Available: 0
    Something went wrong. Please try again.
    Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.
  • Lochinvar 100309869 K,CONTROL,INTEGRATED,FB2501-3501
    Lochinvar 100309869 K,CONTROL,INTEGRATED,FB2501-3501
       
    • Mfr: Lochinvar
    • Mfr Part #: 100309869
    • LOC100309869
    • Quantity Available: 0
    Something went wrong. Please try again.
    Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.
  • Lochinvar 100309870 K,CONTROL,INTEGRATED,FB4001-6001
    Lochinvar 100309870 K,CONTROL,INTEGRATED,FB4001-6001
       
    • Mfr: Lochinvar
    • Mfr Part #: 100309870
    • LOC100309870
    • Quantity Available: 0
    Something went wrong. Please try again.
    Out of Stock, backorders usually ship in 8-10 days.
  • Lochinvar 100316610 K,ADAPTER,FLUE,9"X10",SS TO PVC
    Lochinvar 100316610 K,ADAPTER,FLUE,9"X10",SS TO PVC
       
    • Mfr: Lochinvar
    • Mfr Part #: 100316610
    • LOC100316610
    • Quantity Available: 0
    Something went wrong. Please try again.
    Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.
  • Lochinvar 100318480 K,ACTUATOR,VENTURI ASSY,FB4001
    Lochinvar 100318480 K,ACTUATOR,VENTURI ASSY,FB4001
       
    • Mfr: Lochinvar
    • Mfr Part #: 100318480
    • LOC100318480
    • Quantity Available: 0
    Something went wrong. Please try again.
    Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.
  • Lochinvar 100318501 K,VENTURI ASSY,ACTUATOR,FB5001
    Lochinvar 100318501 K,VENTURI ASSY,ACTUATOR,FB5001
       
    • Mfr: Lochinvar
    • Mfr Part #: 100318501
    • LOC100318501
    • Quantity Available: 0
    Something went wrong. Please try again.
    Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.
  • Lochinvar 100318502 K,ACTUATOR,VENTURI ASSY,FB6001
    Lochinvar 100318502 K,ACTUATOR,VENTURI ASSY,FB6001
       
    • Mfr: Lochinvar
    • Mfr Part #: 100318502
    • LOC100318502
    • Quantity Available: 0
    Something went wrong. Please try again.
    Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.
  • Lochinvar 100318505 K,GASKET,MANIFOLD/BURNER
    Lochinvar 100318505 K,GASKET,MANIFOLD/BURNER
       
    • Mfr: Lochinvar
    • Mfr Part #: 100318505
    • LOC100318505
    • Quantity Available: 0
    Something went wrong. Please try again.
    Out of Stock, backorders usually ship in 10-12 days.
  • Lochinvar 100320694 PM SERVICE CREST KIT
    Lochinvar 100320694 PM SERVICE CREST KIT
       
    • Mfr: Lochinvar
    • Mfr Part #: 100320694
    • LOC100320694
    • Quantity Available: 0
    Something went wrong. Please try again.
    Out of Stock, backorders usually ship in 13-15 days.
  • Lochinvar 100320697 PREV MAINTENANCE KIT FB4001
    Lochinvar 100320697 PREV MAINTENANCE KIT FB4001
       
    • Mfr: Lochinvar
    • Mfr Part #: 100320697
    • LOC100320697
    • Quantity Available: 0
    Something went wrong. Please try again.
    Out of Stock, backorders usually ship in 13-15 days.
  • Lochinvar 100320791 LOW WATER CUTTOFF
    Lochinvar 100320791 LOW WATER CUTTOFF
       
    • Mfr: Lochinvar
    • Mfr Part #: 100320791
    • LOC100320791
    • Quantity Available: 0
    Something went wrong. Please try again.
    Out of Stock, backorders usually ship in 13-15 days.
  • Lochinvar 100326272 K,GASKET,MANIFOLD/COVER,FB 4001-6001
    Lochinvar 100326272 K,GASKET,MANIFOLD/COVER,FB 4001-6001
       
    • Mfr: Lochinvar
    • Mfr Part #: 100326272
    • LOC100326272
    • Quantity Available: 0
    Something went wrong. Please try again.
    Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.
  • Lochinvar 100297143 Condensate Trap, AW1250-2000
    Lochinvar 100297143 Condensate Trap, AW1250-2000
       
    • Mfr: Lochinvar
    • Mfr Part #: 100297143
    • LOC100297143
    • Quantity Available: 0
    Something went wrong. Please try again.
    Obsolete, replaced by LOC100277718

Manuals Available : 1

Videos

  • Video name/title
    by Author name