/
/
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...

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

Parts Town Logo

1-Hour Pickup Available

  1. Home
  2. /
  3. Reznor
  4. /
  5. SDH 175

Part Category

  • Actuators(1)
  • Baffles(1)
  • Bearings & Bushings(2)
  • Belts, Pulleys & Sheaves(13)
  • Brackets & Retainers(5)
  • Burners(2)
  • Capacitors(2)
  • Caps & Plugs(6)
  • Clamps & Clips(1)
  • Compressors(1)
  • Condenser & Evaporator Coils(2)
  • Contactors(2)
  • Controls(7)
  • Conversion Kits(1)
  • Decals, Labels & Overlays(11)
  • Disconnects, Couplings & Collars(3)
  • Doors & Hardware(3)
  • Drain Parts(2)
  • Fan & Blower Motors(10)
  • Fan Blades & Blower Wheels(1)
  • Filters, Screens & Driers(23)
  • Fuses, Blocks & Holders(6)
  • Gaskets & Seals(15)
  • Handles(1)
  • Hinges(1)
  • Holders & Supports(8)
  • Hoses, Pipes & Tubing(8)
  • Ignition Modules(1)
  • Ignitors & Electrodes(2)
  • Light Sockets & Lampholders(1)
  • Nuts, Bolts & Screws(13)
  • Orifices(7)
  • Panels, Covers & Lids(10)
  • Pans, Trays & Wells(2)
  • Plates(1)
  • Probes & Sensors(8)
  • Pumps & Motors(13)
  • Relays(17)
  • Shelves & Racks(2)
  • Shields & Guards(7)
  • Springs(2)
  • Switches & Buttons(18)
  • Terminal Blocks(3)
  • Thermostats & High Limits(5)
  • Transformers(3)
  • Valves, Solenoids & Fittings(13)
  • Variable Frequency Drives (VFD)(2)
  • Washers, Rings & Spacers(6)
  • Wires, Cables & Hardware(4)
Cool,Calm and Collected- Real OEM HVAC Pars Are in Season! SHOP NOW

Part Category

  • Actuators(1)
  • Baffles(1)
  • Bearings & Bushings(2)
  • Belts, Pulleys & Sheaves(13)
  • Brackets & Retainers(5)
  • Burners(2)
  • Capacitors(2)
  • Caps & Plugs(6)
  • Clamps & Clips(1)
  • Compressors(1)
  • Condenser & Evaporator Coils(2)
  • Contactors(2)
  • Controls(7)
  • Conversion Kits(1)
  • Decals, Labels & Overlays(11)
  • Disconnects, Couplings & Collars(3)
  • Doors & Hardware(3)
  • Drain Parts(2)
  • Fan & Blower Motors(10)
  • Fan Blades & Blower Wheels(1)
  • Filters, Screens & Driers(23)
  • Fuses, Blocks & Holders(6)
  • Gaskets & Seals(15)
  • Handles(1)
  • Hinges(1)
  • Holders & Supports(8)
  • Hoses, Pipes & Tubing(8)
  • Ignition Modules(1)
  • Ignitors & Electrodes(2)
  • Light Sockets & Lampholders(1)
  • Nuts, Bolts & Screws(13)
  • Orifices(7)
  • Panels, Covers & Lids(10)
  • Pans, Trays & Wells(2)
  • Plates(1)
  • Probes & Sensors(8)
  • Pumps & Motors(13)
  • Relays(17)
  • Shelves & Racks(2)
  • Shields & Guards(7)
  • Springs(2)
  • Switches & Buttons(18)
  • Terminal Blocks(3)
  • Thermostats & High Limits(5)
  • Transformers(3)
  • Valves, Solenoids & Fittings(13)
  • Variable Frequency Drives (VFD)(2)
  • Washers, Rings & Spacers(6)
  • Wires, Cables & Hardware(4)
Cool,Calm and Collected- Real OEM HVAC Pars Are in Season! SHOP NOW

Model: SDH 175

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

Reznor SDH 175 Parts & Manuals

Manufacturer:

Model #:

Reznor

SDH 175

Air Handler

Air Handler

Reznor 201446 Float Switch

Reznor
  • Mfr Part # 201446
  • Parts Town # REZ201446
  • Quantity0

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

Reznor 202031 WHITE EPDM GASKET

Reznor
  • Mfr Part # 202031
  • Parts Town # REZ202031
  • Quantity0

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

Reznor 202051 PROPANE AIR RESTRICTOR

Reznor
  • Mfr Part # 202051
  • Parts Town # REZ202051
  • Quantity0

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

Reznor 202091 115/230V1PH 1/3HP1725RPM MTR

Reznor
  • Mfr Part # 202091
  • Parts Town # REZ202091
  • Quantity0

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

Reznor 202655 POWERTWISTBELT-SOLDPERFOOT

Reznor
  • Mfr Part # 202655
  • Parts Town # REZ202655
  • Quantity0

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

Reznor 202949 SCREW ZINC PLATED 10-24X3/4"LG

Reznor
  • Mfr Part # 202949
  • Parts Town # REZ202949
  • Quantity0

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

Reznor 203058 LABEL NOTICE UDB/ RDDA RCDA

Reznor
  • Mfr Part # 203058
  • Parts Town # REZ203058
  • Quantity0

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

Reznor 204264 BYPASS VALVE SPOR ASC-7-4

Reznor
  • Mfr Part # 204264
  • Parts Town # REZ204264
  • Quantity0

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

Reznor 204297 Gas Pressure Switch, Manual Reset, 120/240 Volt, 50/60HZ

Reznor
  • Mfr Part # 204297
  • Parts Town # REZ204297
  • Quantity0

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

Reznor 204375 Gas Pressure Switch, Auto Reset, 120/240 Volt, 50/60HZ

Reznor
  • Mfr Part # 204375
  • Parts Town # REZ204375
  • Quantity0

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

Reznor 204469 ROTATING DOOR LATCH

Reznor
  • Mfr Part # 204469
  • Parts Town # REZ204469
  • Quantity0

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

Reznor 204470 NYLON PULL TAB,USED W/ 204469

Reznor
  • Mfr Part # 204470
  • Parts Town # REZ204470
  • Quantity0

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

Reznor 204514 REPL HEAT EXCH RIVET TUBE ASSEMBLY

Reznor
  • Mfr Part # 204514
  • Parts Town # REZ204514
  • Quantity0

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

Reznor 205044 MPR-01AW AIR WASH MICRO AQUA

Reznor
  • Mfr Part # 205044
  • Parts Town # REZ205044
  • Quantity0

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

Reznor 205720 ORIFICE 2.9MM

Reznor
  • Mfr Part # 205720
  • Parts Town # REZ205720
  • Quantity0

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

Reznor 205885 CONCENTRIC ADAPTER ASSEMBLY

Reznor
  • Mfr Part # 205885
  • Parts Town # REZ205885
  • Quantity0

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

Reznor 205906 600V DISCONNECT

Reznor
  • Mfr Part # 205906
  • Parts Town # REZ205906
  • Quantity0

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

Reznor 206076 BHB1 TIME CLOCK LP-RTC05-000C

Reznor
  • Mfr Part # 206076
  • Parts Town # REZ206076
  • Quantity0

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

Reznor 206085 TIME CLOCK OPTION RDCA BHB1

Reznor
  • Mfr Part # 206085
  • Parts Town # REZ206085
  • Quantity0

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

Reznor 206132 WIRING HARNESS

Reznor
  • Mfr Part # 206132
  • Parts Town # REZ206132
  • Quantity0

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

Reznor 207232 CONC ADAPTER BRACKET CC2/CC6

Reznor
  • Mfr Part # 207232
  • Parts Town # REZ207232
  • Quantity0

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

Reznor 207468 PLASTIC BALL VALVE 10704-0477B

Reznor
  • Mfr Part # 207468
  • Parts Town # REZ207468
  • Quantity0

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

Reznor 207525 HEYCO PLUG 1" WP-1000 N1312

Reznor
  • Mfr Part # 207525
  • Parts Town # REZ207525
  • Quantity0

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

Reznor 208002 GROMMETT 1-3/4ID #M-3357 BLACK

Reznor
  • Mfr Part # 208002
  • Parts Town # REZ208002
  • Quantity0

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

567