/
/
Parts town. Get real parts faster

Shopping Cart

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

Find Equipment Manuals

Loading...
Loading...
  1. Home
  2. /
  3. Reznor
  4. /
  5. RDH 400A

get special offers & news from parts town

+52 558.957.7295
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: +52 558.957.7295
Hvac Parts
TECHTOWN
Track My Order
HVAC Parts Are Here!

HVAC Parts Are Here!

Shop the top brands in the industry.

Take Parts Town on the Go!

Take Parts Town on the Go!

Download the industry's #1 app today!

Find the parts you need to fix equipment!

Find the parts you need to fix equipment!

Based on data from techs, powered by AI!

We are ready to help!

We are ready to help!

We offer customer service support in Spanish

Flat rate shipping anywhere in Mexico $49.99

Flat rate shipping anywhere in Mexico $49.99

Inclusive of duties and brokerage.

Find the parts you need to fix equipment!

Find the parts you need to fix equipment!

Based on data from techs, powered by AI!

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

Part Category

  • Actuators(1)
  • Bearings & Bushings(4)
  • Belts, Pulleys & Sheaves(15)
  • Brackets & Retainers(4)
  • Burners(2)
  • Capacitors(2)
  • Caps & Plugs(6)
  • Clamps & Clips(2)
  • Condenser & Evaporator Coils(2)
  • Contactors(3)
  • Controls(9)
  • Conversion Kits(1)
  • Decals, Labels & Overlays(12)
  • Disconnects, Couplings & Collars(3)
  • Doors & Hardware(2)
  • Drain Parts(4)
  • Fan & Blower Motors(9)
  • Fan Blades & Blower Wheels(1)
  • Filters, Screens & Driers(35)
  • Fuses, Blocks & Holders(10)
  • Gaskets & Seals(14)
  • Handles(1)
  • Hinges(1)
  • Holders & Supports(9)
  • Hoses, Pipes & Tubing(14)
  • Ignition Modules(1)
  • Ignitors & Electrodes(2)
  • Light Sockets & Lampholders(1)
  • Nuts, Bolts & Screws(15)
  • Orifices(5)
  • Panels, Covers & Lids(18)
  • Pans, Trays & Wells(3)
  • Plates(1)
  • Probes & Sensors(7)
  • Pumps & Motors(20)
  • Relays(19)
  • Rods, Shafts & Pins(1)
  • Shelves & Racks(2)
  • Shields & Guards(6)
  • Springs(1)
  • Switches & Buttons(19)
  • Terminal Blocks(3)
  • Thermostats & High Limits(6)
  • Transformers(5)
  • Valves, Solenoids & Fittings(16)
  • Variable Frequency Drives (VFD)(3)
  • Washers, Rings & Spacers(5)
  • Wires, Cables & Hardware(5)
Cool,Calm and Collected- Real OEM HVAC Pars Are in Season! SHOP NOW

Part Category

  • Actuators(1)
  • Bearings & Bushings(4)
  • Belts, Pulleys & Sheaves(15)
  • Brackets & Retainers(4)
  • Burners(2)
  • Capacitors(2)
  • Caps & Plugs(6)
  • Clamps & Clips(2)
  • Condenser & Evaporator Coils(2)
  • Contactors(3)
  • Controls(9)
  • Conversion Kits(1)
  • Decals, Labels & Overlays(12)
  • Disconnects, Couplings & Collars(3)
  • Doors & Hardware(2)
  • Drain Parts(4)
  • Fan & Blower Motors(9)
  • Fan Blades & Blower Wheels(1)
  • Filters, Screens & Driers(35)
  • Fuses, Blocks & Holders(10)
  • Gaskets & Seals(14)
  • Handles(1)
  • Hinges(1)
  • Holders & Supports(9)
  • Hoses, Pipes & Tubing(14)
  • Ignition Modules(1)
  • Ignitors & Electrodes(2)
  • Light Sockets & Lampholders(1)
  • Nuts, Bolts & Screws(15)
  • Orifices(5)
  • Panels, Covers & Lids(18)
  • Pans, Trays & Wells(3)
  • Plates(1)
  • Probes & Sensors(7)
  • Pumps & Motors(20)
  • Relays(19)
  • Rods, Shafts & Pins(1)
  • Shelves & Racks(2)
  • Shields & Guards(6)
  • Springs(1)
  • Switches & Buttons(19)
  • Terminal Blocks(3)
  • Thermostats & High Limits(6)
  • Transformers(5)
  • Valves, Solenoids & Fittings(16)
  • Variable Frequency Drives (VFD)(3)
  • Washers, Rings & Spacers(5)
  • Wires, Cables & Hardware(5)
Cool,Calm and Collected- Real OEM HVAC Pars Are in Season! SHOP NOW

Model: RDH 400A

Manuals Available: 5

Installation & Operation Manual

View Manual

Installation & Operation Manual

View Manual

Installation & Operation Manual

View Manual

Parts Manual

View Manual

Service Manual

View Manual

Reznor RDH 400A Parts & Manuals

Manufacturer:

Model #:

Reznor

RDH 400A

Air Handler

Air Handler

Reznor 159185 Motor, Blower, 208/240/480 Volt, 56HZ, 3 PH, 3HP, 3600 RPM

Reznor
  • Mfr Part # 159185
  • Parts Town # REZ159185
  • Quantity0

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

Reznor 159186 3HP BELT DRIVE MOTOR

Reznor
  • Mfr Part # 159186
  • Parts Town # REZ159186
  • Quantity0

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

Reznor 159327 Motor, Blower, 208/240/480 Volt, 3 PH, 2HP, 3600 RPM

Reznor
  • Mfr Part # 159327
  • Parts Town # REZ159327
  • Quantity0

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

Reznor 159330 Blower Motor, 208/240/480V, 3PH, 3HP

Reznor
  • Mfr Part # 159330
  • Parts Town # REZ159330
  • Quantity0

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

Reznor 15971 Gas Valve, Manual, 1/2"

Reznor
  • Mfr Part # 15971
  • Parts Town # REZ15971
  • Quantity0

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

Reznor 159877 DISCHARGE ACTUATOR

Reznor
  • Mfr Part # 159877
  • Parts Town # REZ159877
  • Quantity0

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

Reznor 16110 POT MAN 112894 FA

Reznor
  • Mfr Part # 16110
  • Parts Town # REZ16110
  • Quantity0

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

Reznor 161444 MOTOR PULLEY

Reznor
  • Mfr Part # 161444
  • Parts Town # REZ161444
  • Quantity0

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

Reznor 16153 Pulley, Blower, 1" Bore

Reznor
  • Mfr Part # 16153
  • Parts Town # REZ16153
  • Quantity0

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

Reznor 16199 CONNECTOR 1/2 T & B #253

Reznor
  • Mfr Part # 16199
  • Parts Town # REZ16199
  • Quantity0

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

Reznor 16246 CAP SCREW 1/4 IN. 20 X 3/4 IN.

Reznor
  • Mfr Part # 16246
  • Parts Town # REZ16246
  • Quantity0

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

Reznor 16247 CAP SCREW 5/16 IN. X 3/4 IN.

Reznor
  • Mfr Part # 16247
  • Parts Town # REZ16247
  • Quantity0

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

Reznor 16324 BLACK WIRE TEW 1/32-18 GA.

Reznor
  • Mfr Part # 16324
  • Parts Town # REZ16324
  • Quantity0

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

Reznor 16326 WHITE WIRE TEW 1/32 IN. 18 GA.

Reznor
  • Mfr Part # 16326
  • Parts Town # REZ16326
  • Quantity0

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

Reznor 16438 #5 RECTORSEAL

Reznor
  • Mfr Part # 16438
  • Parts Town # REZ16438
  • Quantity0

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

Reznor 16445 FILTER DUST-STOP 16X20X1

Reznor
  • Mfr Part # 16445
  • Parts Town # REZ16445
  • Quantity0

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

Reznor 16448 DUST FILTER STOP 20 X 20 X 1

Reznor
  • Mfr Part # 16448
  • Parts Town # REZ16448
  • Quantity0

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

Reznor 164545 THERMOSTAT TERMINAL STRIP

Reznor
  • Mfr Part # 164545
  • Parts Town # REZ164545
  • Quantity0

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

Reznor 164792 Limit Switch, Auto Reset, L300F, 54" Capillary

Reznor
  • Mfr Part # 164792
  • Parts Town # REZ164792
  • Quantity0

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

Reznor 165171 GROMMET 375-C

Reznor
  • Mfr Part # 165171
  • Parts Town # REZ165171
  • Quantity0

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

Reznor 165702 Nut, Pipe, 1/2"

Reznor
  • Mfr Part # 165702
  • Parts Town # REZ165702
  • Quantity0

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

Reznor 166464 WATER HAMMER ARRESTOR 150A

Reznor
  • Mfr Part # 166464
  • Parts Town # REZ166464
  • Quantity0

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

Reznor 16835 BSHG SR7W-2 #1247 BLACK

Reznor
  • Mfr Part # 16835
  • Parts Town # REZ16835
  • Quantity0

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

Reznor 17320 CVR BOX AM ELECT 52C1

Reznor
  • Mfr Part # 17320
  • Parts Town # REZ17320
  • Quantity0

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

345