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 125 Parts & Manuals

  • Manufacturer : Reznor
  • Model #: B 125
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 36951 Motor, Blower, 200-230/460 Volt, 3/4HP, 3 PH, 1725 RPM
    Reznor 36951 Motor, Blower, 200-230/460 Volt, 3/4HP, 3 PH, 1725 RPM
    Our Price: C$ 3,969.75
    My Price:
       
    • Mfr: Reznor
    • Mfr Part #: 36951
    • REZ36951
    • Quantity Available: 2
    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 208920 Gas Valve, 24 Volt, 60HZ, Natural Gas, 1/2"
    Reznor 208920 Gas Valve, 24 Volt, 60HZ, Natural Gas, 1/2"
    Our Price: C$ 669.37
    My Price:
       
    • Mfr: Reznor
    • Mfr Part #: 208920
    • REZ208920
    • 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 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 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 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 101539 CD10 BELT/INLT GRD B/BE 50-100
    Reznor 101539 CD10 BELT/INLT GRD B/BE 50-100
    Our Price: C$ 1,637.90
    My Price:
       
    • Mfr: Reznor
    • Mfr Part #: 101539
    • REZ101539
    • 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 101608 ALUMINUMFILTER 20 X 20 X 1"
    Reznor 101608 ALUMINUMFILTER 20 X 20 X 1"
    Our Price: C$ 298.10
    My Price:
       
    • Mfr: Reznor
    • Mfr Part #: 101608
    • REZ101608
    • 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 101621 PERM ALUMINUMFILTER 20 X 20 X 2
    Reznor 101621 PERM ALUMINUMFILTER 20 X 20 X 2
    Our Price: C$ 451.47
    My Price:
       
    • Mfr: Reznor
    • Mfr Part #: 101621
    • REZ101621
    • 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 101798 PLASTIC DART PC47307EVZ
    Reznor 101798 PLASTIC DART PC47307EVZ
    Our Price: C$ 46.07
    My Price:
       
    • Mfr: Reznor
    • Mfr Part #: 101798
    • REZ101798
    • 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 102243 RELAY BRACKET ASSEMBLY CL31
    Reznor 102243 RELAY BRACKET ASSEMBLY CL31
    Our Price: C$ 1,027.86
    My Price:
       
    • Mfr: Reznor
    • Mfr Part #: 102243
    • REZ102243
    • 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 102248 MULTIPLE HEATER CONTROLLER
    Reznor 102248 MULTIPLE HEATER CONTROLLER
    Our Price: C$ 883.74
    My Price:
       
    • Mfr: Reznor
    • Mfr Part #: 102248
    • REZ102248
    • 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 102474 INLET GUARD RI-11189AA 30-100
    Reznor 102474 INLET GUARD RI-11189AA 30-100
    Our Price: C$ 290.32
    My Price:
       
    • Mfr: Reznor
    • Mfr Part #: 102474
    • REZ102474
    • 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 102627 Motor, Blower, 120/208-230 Volt, 1 PH, 1/2 HP, 1725 RPM
    Reznor 102627 Motor, Blower, 120/208-230 Volt, 1 PH, 1/2 HP, 1725 RPM
    Our Price: C$ 2,349.50
    My Price:
       
    • Mfr: Reznor
    • Mfr Part #: 102627
    • REZ102627
    • 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 102708 Transformer, 120 to 24 Volt, 50/60HZ, 35VA
    Reznor 102708 Transformer, 120 to 24 Volt, 50/60HZ, 35VA
    Our Price: C$ 184.08
    My Price:
       
    • Mfr: Reznor
    • Mfr Part #: 102708
    • REZ102708
    • 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 103152 #6X1-3/4 IND HEX TYPE B SCREW
    Reznor 103152 #6X1-3/4 IND HEX TYPE B SCREW
    Our Price: C$ 46.07
    My Price:
       
    • Mfr: Reznor
    • Mfr Part #: 103152
    • REZ103152
    • 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 103183 #6X1 HEX WASHER SLOT TS B ZINC
    Reznor 103183 #6X1 HEX WASHER SLOT TS B ZINC
    Our Price: C$ 46.07
    My Price:
       
    • Mfr: Reznor
    • Mfr Part #: 103183
    • REZ103183
    • 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 103495 Transformer, 480 to 24 Volt, 35VA
    Reznor 103495 Transformer, 480 to 24 Volt, 35VA
    Our Price: C$ 235.89
    My Price:
       
    • Mfr: Reznor
    • Mfr Part #: 103495
    • REZ103495
    • 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 197 items shown

Manuals Available : 0

Videos

  • Video name/title
    by Author name