/
/
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. CAUA 400

Reznor CAUA 400 Parts & Manuals

Reznor CAUA 400 Parts & Manuals

Manufacturer:

Model #:

Reznor

CAUA 400

Air Handler

Air Handler

Parts Town Logo

1-Hour Pickup Available

Model: CAUA 400

Manuals Available: 7

Installation & Operation Manual

View Manual

Installation & Operation Manual

View Manual

Installation & Operation Manual

View Manual

Installation & Operation Manual

View Manual

Installation & Operation Manual

View Manual

Installation & Operation Manual

View Manual

Parts Manual

View Manual

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

  • Bearings & Bushings(2)
  • Belts, Pulleys & Sheaves(12)
  • Brackets & Retainers(5)
  • Burners(1)
  • Capacitors(1)
  • Caps & Plugs(5)
  • Catches, Latches & Strikes(1)
  • Clamps & Clips(1)
  • Contactors(5)
  • Controls(2)
  • Decals, Labels & Overlays(3)
  • Disconnects, Couplings & Collars(1)
  • Doors & Hardware(2)
  • Elements, Heaters & Platens(1)
  • Fan & Blower Motors(7)
  • Fan Blades & Blower Wheels(3)
  • Filters, Screens & Driers(14)
  • Fuses, Blocks & Holders(4)
  • Gaskets & Seals(11)
  • Handles(1)
  • Holders & Supports(7)
  • Hoses, Pipes & Tubing(2)
  • Ignition Modules(1)
  • Ignitors & Electrodes(1)
  • Nuts, Bolts & Screws(19)
  • Orifices(5)
  • Panels, Covers & Lids(2)
  • Plates(4)
  • Probes & Sensors(2)
  • Pumps & Motors(18)
  • Relays(12)
  • Rods, Shafts & Pins(5)
  • Shields & Guards(3)
  • Switches & Buttons(4)
  • Terminal Blocks(5)
  • Thermostats & High Limits(6)
  • Transformers(5)
  • Valves, Solenoids & Fittings(6)
  • Washers, Rings & Spacers(5)
  • Wires, Cables & Hardware(7)
Cool,Calm and Collected- Real OEM HVAC Pars Are in Season! SHOP NOW

Part Category

  • Bearings & Bushings(2)
  • Belts, Pulleys & Sheaves(12)
  • Brackets & Retainers(5)
  • Burners(1)
  • Capacitors(1)
  • Caps & Plugs(5)
  • Catches, Latches & Strikes(1)
  • Clamps & Clips(1)
  • Contactors(5)
  • Controls(2)
  • Decals, Labels & Overlays(3)
  • Disconnects, Couplings & Collars(1)
  • Doors & Hardware(2)
  • Elements, Heaters & Platens(1)
  • Fan & Blower Motors(7)
  • Fan Blades & Blower Wheels(3)
  • Filters, Screens & Driers(14)
  • Fuses, Blocks & Holders(4)
  • Gaskets & Seals(11)
  • Handles(1)
  • Holders & Supports(7)
  • Hoses, Pipes & Tubing(2)
  • Ignition Modules(1)
  • Ignitors & Electrodes(1)
  • Nuts, Bolts & Screws(19)
  • Orifices(5)
  • Panels, Covers & Lids(2)
  • Plates(4)
  • Probes & Sensors(2)
  • Pumps & Motors(18)
  • Relays(12)
  • Rods, Shafts & Pins(5)
  • Shields & Guards(3)
  • Switches & Buttons(4)
  • Terminal Blocks(5)
  • Thermostats & High Limits(6)
  • Transformers(5)
  • Valves, Solenoids & Fittings(6)
  • Washers, Rings & Spacers(5)
  • Wires, Cables & Hardware(7)
Cool,Calm and Collected- Real OEM HVAC Pars Are in Season! SHOP NOW

Reznor 115859 Blower Motor, 208/240/480V, 3PH, 1.5HP

Reznor
  • Mfr Part # 115859
  • Parts Town # REZ115859
  • Quantity0

Obsolete, replaced by REZRZ115859

Reznor 147165 Flame Sensor

Reznor
  • Mfr Part # 147165
  • Parts Town # REZ147165
  • Quantity0

Obsolete, replaced by REZRZ147165

Reznor 147166 Spark Ignitor less Cable

Reznor
  • Mfr Part # 147166
  • Parts Town # REZ147166
  • Quantity0

Obsolete, replaced by REZRZ147166

Reznor 161416 Motor with Capacitor, Ventor, 208/230 Volt, 60HZ, 0.111 HP, 3200 RPM

Reznor
  • Mfr Part # 161416
  • Parts Town # REZ161416
  • Quantity0

Obsolete, replaced by REZRZ161416

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

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

Obsolete, replaced by REZRZ177397

Reznor 195573 Ignition Control Board, Direct Spark Ignition, 230V

Reznor
  • Mfr Part # 195573
  • Parts Town # REZ195573
  • Quantity0

Obsolete, replaced by REZRZ195573

Reznor 195666 Blower Wheel, Venter, 6 1/4" OD

Reznor
  • Mfr Part # 195666
  • Parts Town # REZ195666
  • Quantity0

Obsolete, replaced by REZRZ195666

Reznor 203933 Pressure Switch, SPST, .75" WC

Reznor
  • Mfr Part # 203933
  • Parts Town # REZ203933
  • Quantity0

Obsolete, replaced by REZRZ203933

Reznor 205896 Vertical Roof Vent Kit, UDAS/UDBS

Reznor
  • Mfr Part # 205896
  • Parts Town # REZ205896
  • Quantity0

Obsolete, replaced by REZRZ205896

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

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

Obsolete, replaced by REZRZ211411

Reznor 258251 Ignition Control Board Replacement Kit, Direct Spark

Reznor
  • Mfr Part # 258251
  • Parts Town # REZ258251
  • Quantity0

Obsolete, replaced by REZRZ258251

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

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

Obsolete, replaced by REZRZ263527

Reznor 104107 FILTER 16 X 25 X 1 PLEATED

Reznor
  • Mfr Part # 104107
  • Parts Town # REZ104107
  • Quantity0

Obsolete, no longer available

Reznor 114467 DAMPERROD 9 1/2"LONG, 1/4"DIA

Reznor
  • Mfr Part # 114467
  • Parts Town # REZ114467
  • Quantity0

Obsolete, no longer available

Reznor 177161 A-100-5/16 SPRING NUT SUPER ST

Reznor
  • Mfr Part # 177161
  • Parts Town # REZ177161
  • Quantity0

Obsolete, no longer available

Reznor 178188 SCREW 5/1-18 X 1-1/4 HEX HD MC

Reznor
  • Mfr Part # 178188
  • Parts Town # REZ178188
  • Quantity0

Obsolete, no longer available

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

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

Obsolete, no longer available

Reznor 90167 SCREW #10-32 X 3/8 TYPE 23 TCS

Reznor
  • Mfr Part # 90167
  • Parts Town # REZ90167
  • Quantity0

Obsolete, no longer available

8910