/
/








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. SDH 400A

Reznor SDH 400A Parts & Manuals

Manufacturer:

Model #:

Reznor

SDH 400A

Air Handler

Air Handler

Model: SDH 400A

Manuals Available: 6

Installation & Operation Manual

View Manual

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(3)
  • Belts, Pulleys & Sheaves(14)
  • Brackets & Retainers(5)
  • Burners(2)
  • Capacitors(2)
  • Caps & Plugs(8)
  • Clamps & Clips(2)
  • Compressors(1)
  • Condenser & Evaporator Coils(2)
  • Contactors(3)
  • Controls(10)
  • Decals, Labels & Overlays(11)
  • Disconnects, Couplings & Collars(4)
  • Doors & Hardware(3)
  • Drain Parts(3)
  • Elements, Heaters & Platens(2)
  • Fan & Blower Motors(9)
  • Fan Blades & Blower Wheels(1)
  • Filters, Screens & Driers(27)
  • Fuses, Blocks & Holders(7)
  • Gaskets & Seals(13)
  • Handles(1)
  • Hinges(1)
  • Holders & Supports(8)
  • Hoses, Pipes & Tubing(11)
  • Ignition Modules(1)
  • Ignitors & Electrodes(2)
  • Light Sockets & Lampholders(1)
  • Nuts, Bolts & Screws(14)
  • Orifices(4)
  • Panels, Covers & Lids(13)
  • Pans, Trays & Wells(2)
  • Plates(1)
  • Probes & Sensors(7)
  • Pumps & Motors(13)
  • Relays(18)
  • Rods, Shafts & Pins(1)
  • Shelves & Racks(1)
  • Shields & Guards(9)
  • Springs(2)
  • Switches & Buttons(23)
  • Terminal Blocks(3)
  • Thermostats & High Limits(6)
  • Transformers(4)
  • Valves, Solenoids & Fittings(18)
  • Variable Frequency Drives (VFD)(2)
  • Washers, Rings & Spacers(5)
  • Wires, Cables & Hardware(4)
Cool,Calm and Collected- Real OEM HVAC Pars Are in Season! SHOP NOW

Part Category

  • Actuators(1)
  • Bearings & Bushings(3)
  • Belts, Pulleys & Sheaves(14)
  • Brackets & Retainers(5)
  • Burners(2)
  • Capacitors(2)
  • Caps & Plugs(8)
  • Clamps & Clips(2)
  • Compressors(1)
  • Condenser & Evaporator Coils(2)
  • Contactors(3)
  • Controls(10)
  • Decals, Labels & Overlays(11)
  • Disconnects, Couplings & Collars(4)
  • Doors & Hardware(3)
  • Drain Parts(3)
  • Elements, Heaters & Platens(2)
  • Fan & Blower Motors(9)
  • Fan Blades & Blower Wheels(1)
  • Filters, Screens & Driers(27)
  • Fuses, Blocks & Holders(7)
  • Gaskets & Seals(13)
  • Handles(1)
  • Hinges(1)
  • Holders & Supports(8)
  • Hoses, Pipes & Tubing(11)
  • Ignition Modules(1)
  • Ignitors & Electrodes(2)
  • Light Sockets & Lampholders(1)
  • Nuts, Bolts & Screws(14)
  • Orifices(4)
  • Panels, Covers & Lids(13)
  • Pans, Trays & Wells(2)
  • Plates(1)
  • Probes & Sensors(7)
  • Pumps & Motors(13)
  • Relays(18)
  • Rods, Shafts & Pins(1)
  • Shelves & Racks(1)
  • Shields & Guards(9)
  • Springs(2)
  • Switches & Buttons(23)
  • Terminal Blocks(3)
  • Thermostats & High Limits(6)
  • Transformers(4)
  • Valves, Solenoids & Fittings(18)
  • Variable Frequency Drives (VFD)(2)
  • Washers, Rings & Spacers(5)
  • Wires, Cables & Hardware(4)
Cool,Calm and Collected- Real OEM HVAC Pars Are in Season! SHOP NOW

Reznor 216552 36 X 12 GLASDEK MEDIA FILTER

Reznor
  • Mfr Part # 216552
  • Parts Town # REZ216552
  • Quantity0

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

Reznor 216553 FLOAT VALVE MA-052

Reznor
  • Mfr Part # 216553
  • Parts Town # REZ216553
  • Quantity0

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

Reznor 216561 BLOCK IDF CONDEN OPTION CS2

Reznor
  • Mfr Part # 216561
  • Parts Town # REZ216561
  • Quantity0

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

Reznor 216686 COMPRESSOR MASA AK20

Reznor
  • Mfr Part # 216686
  • Parts Town # REZ216686
  • Quantity0

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

Reznor 216755 Blower Housing, Venter

Reznor
  • Mfr Part # 216755
  • Parts Town # REZ216755
  • Quantity0

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

Reznor 216763 FREEZE PROTECT KIT ECD1 PREEVA

Reznor
  • Mfr Part # 216763
  • Parts Town # REZ216763
  • Quantity0

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

Reznor 216818 EVAP MEDIA RDH ASC8 E

Reznor
  • Mfr Part # 216818
  • Parts Town # REZ216818
  • Quantity0

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

Reznor 216834 EVAP MEDIA BLOCK RDH350-400A

Reznor
  • Mfr Part # 216834
  • Parts Town # REZ216834
  • Quantity0

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

Reznor 216951 6 IN OUTLET COLLAR

Reznor
  • Mfr Part # 216951
  • Parts Town # REZ216951
  • Quantity0

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

Reznor 217085 Pressure Switch with Bracket, .20" WC, SPST

Reznor
  • Mfr Part # 217085
  • Parts Town # REZ217085
  • Quantity0

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

Reznor 217196 RECIRC PUMP ECD2 AK2 5

Reznor
  • Mfr Part # 217196
  • Parts Town # REZ217196
  • Quantity0

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

Reznor 220207 HEAT EXCHANGER SUPPORT CHANNEL 350-400

Reznor
  • Mfr Part # 220207
  • Parts Town # REZ220207
  • Quantity0

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

Reznor 220553 Expansion Valve/TXV, 3 Ton, 5/8" X 5/8"

Reznor
  • Mfr Part # 220553
  • Parts Town # REZ220553
  • Quantity0

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

Reznor 220554 Expansion Valve/TXV with 60" Capillary, 4 Ton, 5/8" x 7/8" ODF

Reznor
  • Mfr Part # 220554
  • Parts Town # REZ220554
  • Quantity0

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

Reznor 220555 Expansion Valve/TXV, 6 Ton, 5/8" Inet, 7/8" Outlet

Reznor
  • Mfr Part # 220555
  • Parts Town # REZ220555
  • Quantity0

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

Reznor 220558 Expansion Valve/TXV, 15 Ton, 7/8" x 1 1/8" x 1/4"

Reznor
  • Mfr Part # 220558
  • Parts Town # REZ220558
  • Quantity0

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

Reznor 220630 Thermostat with Fan, Wall Mounted, Digital, 24V

Reznor
  • Mfr Part # 220630
  • Parts Town # REZ220630
  • Quantity0

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

Reznor 220843 TEMP CNTL BRD W/POT

Reznor
  • Mfr Part # 220843
  • Parts Town # REZ220843
  • Quantity0

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

Reznor 220844 AIR SENSOR 952669

Reznor
  • Mfr Part # 220844
  • Parts Town # REZ220844
  • Quantity0

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

Reznor 220845 ELEC DISC BYPASS VALVE SDR-3-5/8

Reznor
  • Mfr Part # 220845
  • Parts Town # REZ220845
  • Quantity0

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

Reznor 221121 BURNER ORIFICE

Reznor
  • Mfr Part # 221121
  • Parts Town # REZ221121
  • Quantity0

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

Reznor 221586 LINE REACTOR KDRA2L

Reznor
  • Mfr Part # 221586
  • Parts Town # REZ221586
  • Quantity0

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

Reznor 221587 LINE REACTOR KDRA3L

Reznor
  • Mfr Part # 221587
  • Parts Town # REZ221587
  • Quantity0

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

Reznor 221596 LINE REACTOR KDRA27L

Reznor
  • Mfr Part # 221596
  • Parts Town # REZ221596
  • Quantity0

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

111213