Skip to Navigation Skip to Content

ribbon image Real OEM HVAC Parts Are In This Spring!  SHOP NOW

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

Reznor B 400 Parts & Manuals

  • Manufacturer : Reznor
  • Model #: B 400
Unit Heater
In a bind and need parts today? 
1-hour pickup  Your Location:
  • Reznor 255350 Thermostat, Heating/Cooling, Wall Mount, 50-90F, 10-30C
    Reznor 255350 Thermostat, Heating/Cooling, Wall Mount, 50-90F, 10-30C
    Our Price: C$ 222.44
    My Price:
       
    • Mfr: Reznor
    • Mfr Part #: 255350
    • REZ255350
    • Quantity Available: 4
    Something went wrong. Please try again.
    In Stock
  • Reznor 259521 Relay, Time Delay/Sequencer
    Reznor 259521 Relay, Time Delay/Sequencer
    Our Price: C$ 217.46
    My Price:
       
    • Mfr: Reznor
    • Mfr Part #: 259521
    • REZ259521
    • Quantity Available: 7
    Something went wrong. Please try again.
    In Stock
  • Reznor 96360 Pilot/Thermocouple Assembly, Natural
    Reznor 96360 Pilot/Thermocouple Assembly, Natural
    Our Price: C$ 194.74
    My Price:
       
    • Mfr: Reznor
    • Mfr Part #: 96360
    • REZ96360
    • Quantity Available: 8
    Something went wrong. Please try again.
    In Stock
  • Reznor 221525 Gas Valve, Natural, 24V, 3/4" x 3/4"
    Reznor 221525 Gas Valve, Natural, 24V, 3/4" x 3/4"
    Our Price: C$ 569.84
    My Price:
       
    • Mfr: Reznor
    • Mfr Part #: 221525
    • REZ221525
    • Quantity Available: 4
    Something went wrong. Please try again.
    In Stock
  • Reznor 123974 Fan Control Switch/Thermostat with Bracket, F135-30F
    Reznor 123974 Fan Control Switch/Thermostat with Bracket, F135-30F
    Our Price: C$ 274.18
    My Price:
       
    • Mfr: Reznor
    • Mfr Part #: 123974
    • REZ123974
    • Quantity Available: 3
    Something went wrong. Please try again.
    In Stock
  • Reznor 131988 Transformer, 120 to 24V, 12VA, 50/60HZ
    Reznor 131988 Transformer, 120 to 24V, 12VA, 50/60HZ
    Our Price: C$ 227.88
    My Price:
       
    • Mfr: Reznor
    • Mfr Part #: 131988
    • REZ131988
    • Quantity Available: 3
    Something went wrong. Please try again.
    In Stock
  • Reznor 132204 Transformer, 120 to 24V, 20VA, 50/60HZ
    Reznor 132204 Transformer, 120 to 24V, 20VA, 50/60HZ
    Our Price: C$ 151.27
    My Price:
       
    • Mfr: Reznor
    • Mfr Part #: 132204
    • REZ132204
    • Quantity Available: 1
    Something went wrong. Please try again.
    In Stock
  • Reznor 177398 Gas Valve, Propane, 2 Stage, 24V, 1/2" x 3/4"
    Reznor 177398 Gas Valve, Propane, 2 Stage, 24V, 1/2" x 3/4"
    Our Price: C$ 1,347.30
    My Price:
       
    • Mfr: Reznor
    • Mfr Part #: 177398
    • REZ177398
    • Quantity Available: 1
    Something went wrong. Please try again.
    In Stock
  • Reznor 216386 Contactor, 3 Pole, 24VAC 50/60HZ Coil, 25 FLA
    Reznor 216386 Contactor, 3 Pole, 24VAC 50/60HZ Coil, 25 FLA
    Our Price: C$ 365.07
    My Price:
       
    • Mfr: Reznor
    • Mfr Part #: 216386
    • REZ216386
    • Quantity Available: 4
    Something went wrong. Please try again.
    In Stock
  • Reznor 100260 FREEZESTAT BULB HOLDER
    Reznor 100260 FREEZESTAT BULB HOLDER
    Our Price: C$ 106.29
    My Price:
       
    • Mfr: Reznor
    • Mfr Part #: 100260
    • REZ100260
    • 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.
  • Reznor 100393 BUSHING SR-6N3-4 BLACK #1200
    Reznor 100393 BUSHING SR-6N3-4 BLACK #1200
    Our Price: C$ 46.07
    My Price:
       
    • Mfr: Reznor
    • Mfr Part #: 100393
    • REZ100393
    • 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.
  • Reznor 100502 TOP AIR BAFFLE B/BE250-400
    Reznor 100502 TOP AIR BAFFLE B/BE250-400
    Our Price: C$ 1,248.81
    My Price:
       
    • Mfr: Reznor
    • Mfr Part #: 100502
    • REZ100502
    • 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.
  • Reznor 100503 ADAPTER BAFFLE B/BE250-400
    Reznor 100503 ADAPTER BAFFLE B/BE250-400
    Our Price: C$ 1,275.26
    My Price:
       
    • Mfr: Reznor
    • Mfr Part #: 100503
    • REZ100503
    • 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.
  • Reznor 100504 VEE BAFFLE B/BE400
    Reznor 100504 VEE BAFFLE B/BE400
    Our Price: C$ 1,224.80
    My Price:
       
    • Mfr: Reznor
    • Mfr Part #: 100504
    • REZ100504
    • 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.
  • Reznor 100507 VERTICAL BAFFLE B/BE400
    Reznor 100507 VERTICAL BAFFLE B/BE400
    Our Price: C$ 1,347.30
    My Price:
       
    • Mfr: Reznor
    • Mfr Part #: 100507
    • REZ100507
    • 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.
  • Reznor 100508 VERTICAL SIDE BAFFLE B/BE400
    Reznor 100508 VERTICAL SIDE BAFFLE B/BE400
    Our Price: C$ 1,027.86
    My Price:
       
    • Mfr: Reznor
    • Mfr Part #: 100508
    • REZ100508
    • 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.
  • Reznor 100659 Blower Wheel/Housing/Shaft/Bearing Assembly, 15" x 15"
    Reznor 100659 Blower Wheel/Housing/Shaft/Bearing Assembly, 15" x 15"
    Our Price: C$ 2,386.98
    My Price:
       
    • Mfr: Reznor
    • Mfr Part #: 100659
    • REZ100659
    • 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.
  • Reznor 100799 Limit Switch, Auto Reset, L150-25F
    Reznor 100799 Limit Switch, Auto Reset, L150-25F
    Our Price: C$ 50.01
    My Price:
       
    • Mfr: Reznor
    • Mfr Part #: 100799
    • REZ100799
    • 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.
  • Reznor 100890 BLOWER ANGLE B/BE200-400
    Reznor 100890 BLOWER ANGLE B/BE200-400
    Our Price: C$ 171.09
    My Price:
       
    • Mfr: Reznor
    • Mfr Part #: 100890
    • REZ100890
    • 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.
  • Reznor 100969 FRONT FLUE BAFFLE B400
    Reznor 100969 FRONT FLUE BAFFLE B400
    Our Price: C$ 129.59
    My Price:
       
    • Mfr: Reznor
    • Mfr Part #: 100969
    • REZ100969
    • 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.
  • Reznor 100977 REAR FLUE BAFFLE B400
    Reznor 100977 REAR FLUE BAFFLE B400
    Our Price: C$ 129.59
    My Price:
       
    • Mfr: Reznor
    • Mfr Part #: 100977
    • REZ100977
    • 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.
  • Reznor 101200 CD9 DUCT FLANGE ADAPTER B/BE400
    Reznor 101200 CD9 DUCT FLANGE ADAPTER B/BE400
    Our Price: C$ 485.13
    My Price:
       
    • Mfr: Reznor
    • Mfr Part #: 101200
    • REZ101200
    • 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.
  • Reznor 101263 POLYTUBE HOLES LOC DWG
    Reznor 101263 POLYTUBE HOLES LOC DWG
    Our Price: C$ 46.07
    My Price:
       
    • Mfr: Reznor
    • Mfr Part #: 101263
    • REZ101263
    • 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.
  • Reznor 101286 1.5HP 230V3PH TE MOTOR
    Reznor 101286 1.5HP 230V3PH TE MOTOR
    Our Price: C$ 3,830.75
    My Price:
       
    • Mfr: Reznor
    • Mfr Part #: 101286
    • REZ101286
    • 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.
24 of 246 items shown

Manuals Available : 0

Videos

  • Video name/title
    by Author name