/
/








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...

Reznor RDH 400A Parts & Manuals

Manufacturer:

Model #:

Reznor

RDH 400A

Air Handler

Air Handler

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

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

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

Reznor 135200 Pulley/Sheave, Blower, 1" Bore

Reznor
  • Mfr Part # 135200
  • Parts Town # REZ135200
  • Quantity0

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

Reznor 135202 Pulley/Sheave, Blower, 1" Bore

Reznor
  • Mfr Part # 135202
  • Parts Town # REZ135202
  • Quantity0

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

Reznor 13685 Motor, Blower, 115/208-230 Volt, 1 PH

Reznor
  • Mfr Part # 13685
  • Parts Town # REZ13685
  • Quantity0

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

Reznor 136952 TERM RING TONGUE AMP

Reznor
  • Mfr Part # 136952
  • Parts Town # REZ136952
  • Quantity0

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

Reznor 1438 HEX NUT 3/8"

Reznor
  • Mfr Part # 1438
  • Parts Town # REZ1438
  • Quantity0

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

Reznor 148986 6" SILICONE TUBING

Reznor
  • Mfr Part # 148986
  • Parts Town # REZ148986
  • Quantity0

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

Reznor 15021 #1020 GRMT VINYL 3/4 BLACK

Reznor
  • Mfr Part # 15021
  • Parts Town # REZ15021
  • Quantity0

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

Reznor 151188 OVERLOAD

Reznor
  • Mfr Part # 151188
  • Parts Town # REZ151188
  • Quantity0

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

Reznor 151189 OVERLOAD

Reznor
  • Mfr Part # 151189
  • Parts Town # REZ151189
  • Quantity0

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

Reznor 151191 Overload Relay

Reznor
  • Mfr Part # 151191
  • Parts Town # REZ151191
  • Quantity0

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

Reznor 151192 Overload Relay, 480 Volt, 5.5 to 8.5 Amp

Reznor
  • Mfr Part # 151192
  • Parts Town # REZ151192
  • Quantity0

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

Reznor 151193 Thermal Overload Relay

Reznor
  • Mfr Part # 151193
  • Parts Town # REZ151193
  • Quantity0

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

Reznor 151194 Overload Relay, 208 Volt, 10 to 16 Amp

Reznor
  • Mfr Part # 151194
  • Parts Town # REZ151194
  • Quantity0

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

Reznor 151199 Overload Relay

Reznor
  • Mfr Part # 151199
  • Parts Town # REZ151199
  • Quantity0

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

Reznor 151275 STARTER

Reznor
  • Mfr Part # 151275
  • Parts Town # REZ151275
  • Quantity0

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

Reznor 151276 600V COIL 4P 25AMP W/AUX CONT

Reznor
  • Mfr Part # 151276
  • Parts Town # REZ151276
  • Quantity0

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

Reznor 152632 Firestat Kit, 200F

Reznor
  • Mfr Part # 152632
  • Parts Town # REZ152632
  • Quantity0

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

Reznor 156086 JUNCTION BOX COVER ASSEMBLY 4 X 4

Reznor
  • Mfr Part # 156086
  • Parts Town # REZ156086
  • Quantity0

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

Reznor 158170 5HP 575V3PH 184T BLOWER MOTOR

Reznor
  • Mfr Part # 158170
  • Parts Town # REZ158170
  • Quantity0

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

Reznor 158176 2HP 575V 3PH MOTOR

Reznor
  • Mfr Part # 158176
  • Parts Town # REZ158176
  • Quantity0

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

Reznor 158800 Hinge, Door

Reznor
  • Mfr Part # 158800
  • Parts Town # REZ158800
  • Quantity0

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

Reznor 158802 SMS 10-32 X 1/2 PAN W/LKWASHER

Reznor
  • Mfr Part # 158802
  • Parts Town # REZ158802
  • Quantity0

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

Reznor 159029 5HP 3600RPM 182T ODP

Reznor
  • Mfr Part # 159029
  • Parts Town # REZ159029
  • Quantity0

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

Reznor 159183 Blower Motor, 200-230/460 Volt, 3PH, 1/2HP, 1725 RPM

Reznor
  • Mfr Part # 159183
  • Parts Town # REZ159183
  • Quantity0

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

234