/
/








Parts town. Get real parts faster

Shopping Cart

Skip to NavigationSkip to Content
Loading...
Loading...
CAD
Multi-SKU Order
LoginRegister
Parts town. Get real parts faster

Find Equipment Manuals

Loading...
Loading...
  1. Home
  2. /
  3. Reznor
  4. /
  5. B 300

Reznor B 300 Parts & Manuals

Manufacturer:

Model #:

Reznor

B 300

Unit Heater

Unit Heater

Parts Town Logo

1-Hour Pickup Available

get special offers & news from parts town

800.239.5152
Loading...
Loading...
visa
visa
mastercard
mastercard
american-express
american-express
discover
discover
paypal
paypal
© 2026 Parts Town. All rights reserved.
Loading...
visa
visa
mastercard
mastercard
american-express
american-express
discover
discover
paypal
paypal

Stock Up on Real OEM HVAC Parts for the Fall Season! SHOP NOW

Call: 800.239.5152
Hvac Parts
TECHTOWN
Track My Order

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

Help Desk

  • Contact Us
  • Shipping
  • Taxes And Fees
  • Returns
  • FAQ

Inside Parts Town

  • About Us
  • Careers
  • Our Difference
  • Resource Center
  • Parts Town Blog
  • techtown
  • International

Technology and Innovations

  • Parts Town App
  • Serial Number Lookup
  • Smart Manuals
  • Website Features
  • Terms of Use
  • Privacy Policy
  • Privacy Request

Part Category

  • Baffles(4)
  • Bearings & Bushings(2)
  • Belts, Pulleys & Sheaves(10)
  • Brackets & Retainers(10)
  • Burners(4)
  • Capacitors(2)
  • Caps & Plugs(2)
  • Clamps & Clips(1)
  • Contactors(5)
  • Controls(2)
  • Conversion Kits(2)
  • Decals, Labels & Overlays(2)
  • Disconnects, Couplings & Collars(1)
  • Elements, Heaters & Platens(1)
  • Fan & Blower Motors(7)
  • Fan Blades & Blower Wheels(2)
  • Filters, Screens & Driers(5)
  • Fuses, Blocks & Holders(4)
  • Gaskets & Seals(1)
  • Gears & Sprockets(1)
  • Holders & Supports(4)
  • Hoses, Pipes & Tubing(2)
  • Ignition Modules(2)
  • Ignitors & Electrodes(1)
  • Inserts & Frames(1)
  • Nuts, Bolts & Screws(19)
  • Orifices(2)
  • Panels, Covers & Lids(12)
  • Pilot Burners(2)
  • Pumps & Motors(13)
  • Relays(7)
  • Rods, Shafts & Pins(1)
  • Shields & Guards(5)
  • Springs(1)
  • Switches & Buttons(2)
  • Terminal Blocks(2)
  • Thermocouples & Thermopiles(1)
  • Thermostats & High Limits(7)
  • Transformers(6)
  • Valves, Solenoids & Fittings(8)
  • Washers, Rings & Spacers(4)
  • Wires, Cables & Hardware(10)
Cool,Calm and Collected- Real OEM HVAC Pars Are in Season! SHOP NOW

Part Category

  • Baffles(4)
  • Bearings & Bushings(2)
  • Belts, Pulleys & Sheaves(10)
  • Brackets & Retainers(10)
  • Burners(4)
  • Capacitors(2)
  • Caps & Plugs(2)
  • Clamps & Clips(1)
  • Contactors(5)
  • Controls(2)
  • Conversion Kits(2)
  • Decals, Labels & Overlays(2)
  • Disconnects, Couplings & Collars(1)
  • Elements, Heaters & Platens(1)
  • Fan & Blower Motors(7)
  • Fan Blades & Blower Wheels(2)
  • Filters, Screens & Driers(5)
  • Fuses, Blocks & Holders(4)
  • Gaskets & Seals(1)
  • Gears & Sprockets(1)
  • Holders & Supports(4)
  • Hoses, Pipes & Tubing(2)
  • Ignition Modules(2)
  • Ignitors & Electrodes(1)
  • Inserts & Frames(1)
  • Nuts, Bolts & Screws(19)
  • Orifices(2)
  • Panels, Covers & Lids(12)
  • Pilot Burners(2)
  • Pumps & Motors(13)
  • Relays(7)
  • Rods, Shafts & Pins(1)
  • Shields & Guards(5)
  • Springs(1)
  • Switches & Buttons(2)
  • Terminal Blocks(2)
  • Thermocouples & Thermopiles(1)
  • Thermostats & High Limits(7)
  • Transformers(6)
  • Valves, Solenoids & Fittings(8)
  • Washers, Rings & Spacers(4)
  • Wires, Cables & Hardware(10)
Cool,Calm and Collected- Real OEM HVAC Pars Are in Season! SHOP NOW

Reznor 96046 RT CARRYOVER ASSEMBLY F300

Reznor
  • Mfr Part # 96046
  • Parts Town # REZ96046
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Reznor 96047 LT CARRYOVER ASSEMBLY F250-400

Reznor
  • Mfr Part # 96047
  • Parts Town # REZ96047
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Reznor 96301 Gas Valve, Natural, 24V, 3/4", 1 Stage

Reznor
  • Mfr Part # 96301
  • Parts Town # REZ96301
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Reznor 96303 Gas Valve, Propane, 10" WC, 24V, 1/2" x 3/4"

Reznor
  • Mfr Part # 96303
  • Parts Town # REZ96303
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Reznor 96344 Burner Orifice, Propane, 1.65MM

Reznor
  • Mfr Part # 96344
  • Parts Town # REZ96344
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Reznor 96361 Pilot/Thermocouple Assembly, Propane

Reznor
  • Mfr Part # 96361
  • Parts Town # REZ96361
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Reznor 96363 BURNER RACK BRACKET F/FE

Reznor
  • Mfr Part # 96363
  • Parts Town # REZ96363
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Reznor 96386 HANGER ASSEMBLY F25-400

Reznor
  • Mfr Part # 96386
  • Parts Town # REZ96386
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Reznor 96432 BUSHING SR-5N-4 1151 WHITE

Reznor
  • Mfr Part # 96432
  • Parts Town # REZ96432
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Reznor 96445 RIGHT HINGE PIN ASSEMBLY F/FE SER

Reznor
  • Mfr Part # 96445
  • Parts Town # REZ96445
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Reznor 96511 TERMINAL STRIP 4 POLE DORAN

Reznor
  • Mfr Part # 96511
  • Parts Town # REZ96511
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Reznor 97204 Pilot Shield

Reznor
  • Mfr Part # 97204
  • Parts Town # REZ97204
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Reznor 97265 TOP REAR DUCT ANGLE

Reznor
  • Mfr Part # 97265
  • Parts Town # REZ97265
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Reznor 97348 SS BURNER ASSEMBLY 409 F130-400

Reznor
  • Mfr Part # 97348
  • Parts Town # REZ97348
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Reznor 97479 Sequencer/Time Delay Relay

Reznor
  • Mfr Part # 97479
  • Parts Town # REZ97479
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Reznor 97482 BL WIRE ASSEMBLY 18 GA-2 TERM 10IN

Reznor
  • Mfr Part # 97482
  • Parts Town # REZ97482
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Reznor 97483 BK WIRE ASSEMBLY 18GA 2-TERM 10IN

Reznor
  • Mfr Part # 97483
  • Parts Town # REZ97483
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Reznor 97484 BN WIRE ASSEMBLY 18 GA 2 TERM 10IN

Reznor
  • Mfr Part # 97484
  • Parts Town # REZ97484
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Reznor 97534 Pilot Assembly with Ignitor/Sensor/Wire & Tubing, Natural

Reznor
  • Mfr Part # 97534
  • Parts Town # REZ97534
  • Quantity0

Out of Stock, backorders usually ship in 10-12 days.

Reznor 97535 Pilot Assembly with Ignitor/Sensor/Wire & Tubing, Propane

Reznor
  • Mfr Part # 97535
  • Parts Town # REZ97535
  • Quantity0

Out of Stock, backorders usually ship in 8-10 days.

Reznor 97572 Compression Fitting, Nut & Ferrule, Break-Away, 1/8"

Reznor
  • Mfr Part # 97572
  • Parts Town # REZ97572
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Reznor 97575 Lead Wire, Flame Sensor, Hi Temperature, 21"

Reznor
  • Mfr Part # 97575
  • Parts Town # REZ97575
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Reznor 97782 IGNITION CONTROL

Reznor
  • Mfr Part # 97782
  • Parts Town # REZ97782
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Reznor 97825 VENT ADAPTOR ASSEMBLY F250-400

Reznor
  • Mfr Part # 97825
  • Parts Town # REZ97825
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

678