/
/








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. X 400

Reznor X 400 Parts & Manuals

Manufacturer:

Model #:

Reznor

X 400

Duct Furnace - Heat Battery

Duct Furnace - Heat Battery

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 Summer 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

  • Air Shutters(1)
  • Baffles(3)
  • Bearings & Bushings(1)
  • Brackets & Retainers(6)
  • Burners(9)
  • Capacitors(2)
  • Caps & Plugs(2)
  • Clamps & Clips(2)
  • Contactors(1)
  • Controls(3)
  • Conversion Kits(3)
  • Decals, Labels & Overlays(7)
  • Disconnects, Couplings & Collars(2)
  • Drain Parts(1)
  • Fan & Blower Motors(1)
  • Fan Blades & Blower Wheels(2)
  • Filters, Screens & Driers(1)
  • Fuses, Blocks & Holders(1)
  • Gaskets & Seals(4)
  • Holders & Supports(1)
  • Hoses, Pipes & Tubing(6)
  • Ignition Modules(3)
  • Ignitors & Electrodes(1)
  • Legs & Feet(4)
  • Nuts, Bolts & Screws(13)
  • Orifices(5)
  • Panels, Covers & Lids(19)
  • Pans, Trays & Wells(2)
  • Pilot Burners(5)
  • Plates(2)
  • Probes & Sensors(1)
  • Pumps & Motors(4)
  • Regulators(1)
  • Relays(13)
  • Shields & Guards(4)
  • Switches & Buttons(7)
  • Terminal Blocks(2)
  • Thermocouples & Thermopiles(1)
  • Thermostats & High Limits(7)
  • Transformers(6)
  • Valves, Solenoids & Fittings(14)
  • Washers, Rings & Spacers(1)
  • Wires, Cables & Hardware(2)
Cool,Calm and Collected- Real OEM HVAC Pars Are in Season! SHOP NOW

Part Category

  • Air Shutters(1)
  • Baffles(3)
  • Bearings & Bushings(1)
  • Brackets & Retainers(6)
  • Burners(9)
  • Capacitors(2)
  • Caps & Plugs(2)
  • Clamps & Clips(2)
  • Contactors(1)
  • Controls(3)
  • Conversion Kits(3)
  • Decals, Labels & Overlays(7)
  • Disconnects, Couplings & Collars(2)
  • Drain Parts(1)
  • Fan & Blower Motors(1)
  • Fan Blades & Blower Wheels(2)
  • Filters, Screens & Driers(1)
  • Fuses, Blocks & Holders(1)
  • Gaskets & Seals(4)
  • Holders & Supports(1)
  • Hoses, Pipes & Tubing(6)
  • Ignition Modules(3)
  • Ignitors & Electrodes(1)
  • Legs & Feet(4)
  • Nuts, Bolts & Screws(13)
  • Orifices(5)
  • Panels, Covers & Lids(19)
  • Pans, Trays & Wells(2)
  • Pilot Burners(5)
  • Plates(2)
  • Probes & Sensors(1)
  • Pumps & Motors(4)
  • Regulators(1)
  • Relays(13)
  • Shields & Guards(4)
  • Switches & Buttons(7)
  • Terminal Blocks(2)
  • Thermocouples & Thermopiles(1)
  • Thermostats & High Limits(7)
  • Transformers(6)
  • Valves, Solenoids & Fittings(14)
  • Washers, Rings & Spacers(1)
  • Wires, Cables & Hardware(2)
Cool,Calm and Collected- Real OEM HVAC Pars Are in Season! SHOP NOW

Reznor 103054 Transformer, 120 to 24 Volt, 50/60HZ, 20VA

Reznor
  • Mfr Part # 103054
  • Parts Town # REZ103054
  • Quantity0

Obsolete, replaced by REZRZ103054

Reznor 103055 Transformer, 120 to 24 Volt, 50/60HZ, 40VA

Reznor
  • Mfr Part # 103055
  • Parts Town # REZ103055
  • Quantity0

Obsolete, replaced by REZRZ103055

Reznor 103182 CAPACITOR BOOT

Reznor
  • Mfr Part # 103182
  • Parts Town # REZ103182
  • Quantity0

Obsolete, replaced by REZRZ103182

Reznor 103256 Gasket, Switch

Reznor
  • Mfr Part # 103256
  • Parts Town # REZ103256
  • Quantity0

Obsolete, replaced by REZRZ103256

Reznor 103497 120/208/240V-24V40VA TRANSFORM

Reznor
  • Mfr Part # 103497
  • Parts Town # REZ103497
  • Quantity0

Obsolete, replaced by REZRZ103497

Reznor 103498 Transformer, 480 to 24 Volt, 40VA

Reznor
  • Mfr Part # 103498
  • Parts Town # REZ103498
  • Quantity0

Obsolete, replaced by REZRZ103498

Reznor 103758 AIR CNTLR SPT BRACKET B CAB

Reznor
  • Mfr Part # 103758
  • Parts Town # REZ103758
  • Quantity0

Obsolete, replaced by REZRZ103758

Reznor 104138 GASKET MAXITROL PROBE CRANEGLS

Reznor
  • Mfr Part # 104138
  • Parts Town # REZ104138
  • Quantity0

Obsolete, replaced by REZRZ104138

Reznor 104156 DUCTHERMOSTAT BULB BRACKET RG RP

Reznor
  • Mfr Part # 104156
  • Parts Town # REZ104156
  • Quantity0

Obsolete, replaced by REZRZ104156

Reznor 121866 Thermal Switch/Thermostat, F190-30F

Reznor
  • Mfr Part # 121866
  • Parts Town # REZ121866
  • Quantity0

Obsolete, replaced by REZRZ121866

Reznor 125251 Pilot Burner Assembly, Natural

Reznor
  • Mfr Part # 125251
  • Parts Town # REZ125251
  • Quantity0

Obsolete, replaced by REZRZ125251

Reznor 131450 Thermal Cutoff/Limit Control, 306F/152C

Reznor
  • Mfr Part # 131450
  • Parts Town # REZ131450
  • Quantity0

Obsolete, replaced by REZRZ131450

Reznor 163894 Capacitor, 370 Volt, 50/60HZ, 4.0uF

Reznor
  • Mfr Part # 163894
  • Parts Town # REZ163894
  • Quantity0

Obsolete, replaced by REZRZ163894

Reznor 177397 Gas Valve, Natural, 2 Stage, 24V, 3/4"

Reznor
  • Mfr Part # 177397
  • Parts Town # REZ177397
  • Quantity0

Obsolete, replaced by REZRZ177397

Reznor 207023 Sequencer with Relay and Mounting Bracket

Reznor
  • Mfr Part # 207023
  • Parts Town # REZ207023
  • Quantity0

Obsolete, replaced by REZRZ207023

Reznor 209164 Sequencer with Relay and Mounting Bracket

Reznor
  • Mfr Part # 209164
  • Parts Town # REZ209164
  • Quantity0

Obsolete, replaced by REZRZ209164

Reznor 211411 Relay, Ice Cube, 24VAC Coil, DPDT

Reznor
  • Mfr Part # 211411
  • Parts Town # REZ211411
  • Quantity0

Obsolete, replaced by REZRZ211411

Reznor 221526 Gas Valve, Propane, 24V, 3/4" x 3/4"

Reznor
  • Mfr Part # 221526
  • Parts Town # REZ221526
  • Quantity0

Obsolete, replaced by REZRZ221526

Reznor 257473 Ignition Module Conversion Kit, 24V, Johnson Control to UT Electronic

Reznor
  • Mfr Part # 257473
  • Parts Town # REZ257473
  • Quantity0

Obsolete, replaced by REZRZ257473

Reznor 260863 Amplifier, Maxitrol Modulating Gas Control

Reznor
  • Mfr Part # 260863
  • Parts Town # REZ260863
  • Quantity0

Obsolete, replaced by REZRZ260863

Reznor 263527 Relay, 24 Volt, 50/60HZ, SPDT

Reznor
  • Mfr Part # 263527
  • Parts Town # REZ263527
  • Quantity0

Obsolete, replaced by REZRZ263527

Reznor 38529 SCREW 8-18X1/2 SM TYPE B ZINC

Reznor
  • Mfr Part # 38529
  • Parts Town # REZ38529
  • Quantity0

Obsolete, no longer available

789