Skip to Navigation Skip to Content

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

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 RZ257472 Ignition Conversion Kit, JC to UTC Nonlock
    Reznor RZ257472 Ignition Conversion Kit, JC to UTC Nonlock
    List Price: $ 354.00
    My Price: $ 272.47
       
    • Mfr: Reznor
    • Mfr Part #: RZ257472
    • REZRZ257472
    • Quantity Available: 12
    Something went wrong. Please try again.
    In Stock
  • Reznor RZ045602 High Limit Switch, Auto Reset, L180-60F
    Reznor RZ045602 High Limit Switch, Auto Reset, L180-60F
    List Price: $ 20.00
    My Price: $ 15.39
       
    • Mfr: Reznor
    • Mfr Part #: RZ045602
    • REZRZ045602
    • Quantity Available: 26
    Something went wrong. Please try again.
    In Stock
  • Reznor 255350 Thermostat, Heating/Cooling, Wall Mount, 50-90F, 10-30C
    Reznor 255350 Thermostat, Heating/Cooling, Wall Mount, 50-90F, 10-30C
    List Price: $ 166.00
    My Price: $ 109.79
       
    • Mfr: Reznor
    • Mfr Part #: 255350
    • REZ255350
    • Quantity Available: 4
    Something went wrong. Please try again.
    In Stock
  • Reznor RZ121275 Limit Switch, Manual Reset, Block Vent
    Reznor RZ121275 Limit Switch, Manual Reset, Block Vent
    List Price: $ 33.00
    My Price: $ 25.39
       
    • Mfr: Reznor
    • Mfr Part #: RZ121275
    • REZRZ121275
    • Quantity Available: 9
    Something went wrong. Please try again.
    In Stock
  • Reznor RZ177396 Gas Valve, 2 Stage, Natural, 1/2", 24V
    Reznor RZ177396 Gas Valve, 2 Stage, Natural, 1/2", 24V
    List Price: $ 559.00
    My Price: $ 430.27
       
    • Mfr: Reznor
    • Mfr Part #: RZ177396
    • REZRZ177396
    • Quantity Available: 3
    Something went wrong. Please try again.
    In Stock
  • Reznor 96360 Pilot/Thermocouple Assembly, Natural
    Reznor 96360 Pilot/Thermocouple Assembly, Natural
    List Price: $ 145.33
    My Price: $ 96.99
       
    • 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
    List Price: $ 2,962.50
    My Price: $ 1,523.99
       
    • Mfr: Reznor
    • Mfr Part #: 36951
    • REZ36951
    • Quantity Available: 2
    Something went wrong. Please try again.
    In Stock
  • Reznor 10650 GRIPCO LOCK NUT 1/4 IN.-20
    Reznor 10650 GRIPCO LOCK NUT 1/4 IN.-20
    My Price: $ 35.00
    • Shipped & Sold by: Affiliated Parts LLC
    • Mfr: Reznor
    • Mfr Part #: 10650
    • REZ10650
    • Quantity Available: 15
    Something went wrong. Please try again.
    In Stock, Ships within 1 business day
  • Reznor 11830 Burner Orifice, Propane, #55
    Reznor 11830 Burner Orifice, Propane, #55
    My Price: $ 35.00
    • Shipped & Sold by: Affiliated Parts LLC
    • Mfr: Reznor
    • Mfr Part #: 11830
    • REZ11830
    • Quantity Available: 10
    Something went wrong. Please try again.
    In Stock, Ships within 1 business day

  • Reznor 11833 MAINBURNERORIFICE #44 NAT
    Reznor 11833 MAINBURNERORIFICE #44 NAT
    My Price: $ 35.00
    • Shipped & Sold by: Affiliated Parts LLC
    • Mfr: Reznor
    • Mfr Part #: 11833
    • REZ11833
    • Quantity Available: 12
    Something went wrong. Please try again.
    In Stock, Ships within 1 business day
  • Reznor 119627 Contactor, 3 Pole, 208/240V 50/60HZ Coil, 25FLA
    Reznor 119627 Contactor, 3 Pole, 208/240V 50/60HZ Coil, 25FLA
    My Price: $ 459.53
    • Shipped & Sold by: Midwest Appliance Parts CO. INC
    • Mfr: Reznor
    • Mfr Part #: 119627
    • REZ119627
    • Quantity Available: 1
    Something went wrong. Please try again.
    In Stock, Ships within 1 business day
  • Reznor 123975 Fan Control Switch/Thermostat with Bracket, F150-55F
    Reznor 123975 Fan Control Switch/Thermostat with Bracket, F150-55F
    My Price: $ 338.18
    • Shipped & Sold by: Midwest Appliance Parts CO. INC
    • Mfr: Reznor
    • Mfr Part #: 123975
    • REZ123975
    • Quantity Available: 9
    Something went wrong. Please try again.
    In Stock, Ships within 1 business day

  • Reznor 135200 Pulley/Sheave, Blower, 1" Bore
    Reznor 135200 Pulley/Sheave, Blower, 1" Bore
    My Price: $ 318.08
    • Shipped & Sold by: Midwest Appliance Parts CO. INC
    • Mfr: Reznor
    • Mfr Part #: 135200
    • REZ135200
    • Quantity Available: 2
    Something went wrong. Please try again.
    In Stock, Ships within 1 business day

  • Reznor 13580 Pulley/Sheave, Motor, 5/8" Bore
    Reznor 13580 Pulley/Sheave, Motor, 5/8" Bore
    My Price: $ 236.80
    • Shipped & Sold by: Midwest Appliance Parts CO. INC
    • Mfr: Reznor
    • Mfr Part #: 13580
    • REZ13580
    • Quantity Available: 1
    Something went wrong. Please try again.
    In Stock, Ships within 1 business day
  • Reznor 15971 Gas Valve, Manual, 1/2"
    Reznor 15971 Gas Valve, Manual, 1/2"
    My Price: $ 209.22
    • Shipped & Sold by: Midwest Appliance Parts CO. INC
    • Mfr: Reznor
    • Mfr Part #: 15971
    • REZ15971
    • Quantity Available: 1
    Something went wrong. Please try again.
    In Stock, Ships within 1 business day
  • Reznor 16246 CAP SCREW 1/4 IN. 20 X 3/4 IN.
    Reznor 16246 CAP SCREW 1/4 IN. 20 X 3/4 IN.
    My Price: $ 35.00
    • Shipped & Sold by: Affiliated Parts LLC
    • Mfr: Reznor
    • Mfr Part #: 16246
    • REZ16246
    • Quantity Available: 8
    Something went wrong. Please try again.
    In Stock, Ships within 1 business day
  • 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"
    List Price: $ 1,005.45
    My Price: $ 604.79
       
    • Mfr: Reznor
    • Mfr Part #: 177398
    • REZ177398
    • Quantity Available: 1
    Something went wrong. Please try again.
    In Stock
  • Reznor 18549 Fan Relay, Time Delay, 24VAC
    Reznor 18549 Fan Relay, Time Delay, 24VAC
    My Price: $ 99.63
    • Shipped & Sold by: Affiliated Parts LLC
    • Mfr: Reznor
    • Mfr Part #: 18549
    • REZ18549
    • Quantity Available: 8
    Something went wrong. Please try again.
    In Stock, Ships within 1 business day

  • Reznor 18797 SHEAVE 1"BORE AK64
    Reznor 18797 SHEAVE 1"BORE AK64
    My Price: $ 361.02
    • Shipped & Sold by: Midwest Appliance Parts CO. INC
    • Mfr: Reznor
    • Mfr Part #: 18797
    • REZ18797
    • Quantity Available: 11
    Something went wrong. Please try again.
    In Stock, Ships within 1 business day
  • Reznor 19111 Blower Pulley/Sheave, 8 1/4" OD, 1" Bore, Single Groove
    Reznor 19111 Blower Pulley/Sheave, 8 1/4" OD, 1" Bore, Single Groove
    My Price: $ 555.71
    • Shipped & Sold by: Midwest Appliance Parts CO. INC
    • Mfr: Reznor
    • Mfr Part #: 19111
    • REZ19111
    • Quantity Available: 3
    Something went wrong. Please try again.
    In Stock, Ships within 1 business day
  • Reznor 202091 115/230V1PH 1/3HP1725RPM MTR
    Reznor 202091 115/230V1PH 1/3HP1725RPM MTR
    My Price: $ 1,017.00
    • Shipped & Sold by: Midwest Appliance Parts CO. INC
    • Mfr: Reznor
    • Mfr Part #: 202091
    • REZ202091
    • Quantity Available: 27
    Something went wrong. Please try again.
    In Stock, Ships within 1 business day
  • Reznor 216386 Contactor, 3 Pole, 24VAC 50/60HZ Coil, 25 FLA
    Reznor 216386 Contactor, 3 Pole, 24VAC 50/60HZ Coil, 25 FLA
    List Price: $ 272.44
    My Price: $ 180.49
       
    • Mfr: Reznor
    • Mfr Part #: 216386
    • REZ216386
    • Quantity Available: 3
    Something went wrong. Please try again.
    In Stock
  • Reznor 220630 Thermostat with Fan, Wall Mounted, Digital, 24V
    Reznor 220630 Thermostat with Fan, Wall Mounted, Digital, 24V
    My Price: $ 329.04
    • Shipped & Sold by: Midwest Appliance Parts CO. INC
    • Mfr: Reznor
    • Mfr Part #: 220630
    • REZ220630
    • Quantity Available: 13
    Something went wrong. Please try again.
    In Stock, Ships within 1 business day

  • Reznor 257464 Guard with Locking Cover, Wall Thermostat
    Reznor 257464 Guard with Locking Cover, Wall Thermostat
    My Price: $ 201.17
    • Shipped & Sold by: Midwest Appliance Parts CO. INC
    • Mfr: Reznor
    • Mfr Part #: 257464
    • REZ257464
    • Quantity Available: 137
    Something went wrong. Please try again.
    In Stock, Ships within 1 business day
24 of 201 items shown

Manuals Available : 0

Videos

  • Video name/title
    by Author name