/
/








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...

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 Fall Season! SHOP NOW

Call: +52 558.957.7295
Hvac Parts
TECHTOWN
Track My Order

Our email service is currently unavailable due to a Microsoft outage. Orders can be placed through our website as usual. Thank you for your patience.

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

  • Baffles(1)
  • Brackets & Retainers(1)
  • Caps & Plugs(1)
  • Controls(1)
  • Disconnects, Couplings & Collars(1)
  • Filters, Screens & Driers(1)
  • Gaskets & Seals(3)
  • Hoses, Pipes & Tubing(1)
  • Plates(3)
  • Pumps & Motors(1)
  • Relays(1)
  • Thermostats & High Limits(1)
Cool,Calm and Collected- Real OEM HVAC Pars Are in Season! SHOP NOW

Part Category

  • Baffles(1)
  • Brackets & Retainers(1)
  • Caps & Plugs(1)
  • Controls(1)
  • Disconnects, Couplings & Collars(1)
  • Filters, Screens & Driers(1)
  • Gaskets & Seals(3)
  • Hoses, Pipes & Tubing(1)
  • Plates(3)
  • Pumps & Motors(1)
  • Relays(1)
  • Thermostats & High Limits(1)
Cool,Calm and Collected- Real OEM HVAC Pars Are in Season! SHOP NOW

Part Predictor Background
PartsTown Logo

Real data and artificial intelligence thinking together to find your part.

  1. Home
  2. /
  3. Lennox
  4. /
  5. OF23Q3-105/120R-03

Lennox OF23Q3-105/120R-03 Parts & Manuals

Manufacturer:

Model #:

Lennox

OF23Q3-105/120R-03

Oil Furnace

Oil Furnace

Model #: OF23Q3-105/120R-03

Specs Decoded From The Model Number

Unit Type

Oil Furnace

Heating Input

3,000 Btuh

Lennox 32866 Mounting Band, Motor

Lennox
  • Mfr Part # 32866
  • Parts Town # LEN32866
  • Quantity10

In Stock

Lennox 35K59 Blower Motor, 115V, 60HZ, 1PH, 1075RPM/4 Speed, 1/3HP, CCW

Lennox
  • Mfr Part # 35K59
  • Parts Town # LEN35K59
  • Quantity3

In Stock

Lennox 83L92 Clean Out Kit

Lennox
  • Mfr Part # 83L92
  • Parts Town # LEN83L92
  • Quantity2

In Stock

Lennox 14K69 R32227B000 PLATE-INNER POUCH

Lennox
  • Mfr Part # 14K69
  • Parts Town # LEN14K69
  • Quantity0

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

Lennox 33H36 MOTOR MOUNTING ARM

Lennox
  • Mfr Part # 33H36
  • Parts Town # LEN33H36
  • Quantity0

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

Lennox 33H63 Flange, Smoke Collar

Lennox
  • Mfr Part # 33H63
  • Parts Town # LEN33H63
  • Quantity0

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

Lennox 35K56 Gasket, Flue Pipe

Lennox
  • Mfr Part # 35K56
  • Parts Town # LEN35K56
  • Quantity0

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

Lennox 35K61 Limit Switch/Thermostat, L225F-30, 7" Insert Length, Auto Reset

Lennox
  • Mfr Part # 35K61
  • Parts Town # LEN35K61
  • Quantity0

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

Lennox 35K70 Combustion Chamber Kit, Wet Pack

Lennox
  • Mfr Part # 35K70
  • Parts Town # LEN35K70
  • Quantity0

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

Lennox 35K73 Flange Gasket, Burner

Lennox
  • Mfr Part # 35K73
  • Parts Town # LEN35K73
  • Quantity0

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

Lennox 36K15 FLT R38543B008 AIR FILTER 19X18X1 ALUM

Lennox
  • Mfr Part # 36K15
  • Parts Town # LEN36K15
  • Quantity0

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

Lennox 36K21 Burner Mounting Plate

Lennox
  • Mfr Part # 36K21
  • Parts Town # LEN36K21
  • Quantity0

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

Lennox 36M01 06428D397 HEAT SINK/BAFFLE KIT

Lennox
  • Mfr Part # 36M01
  • Parts Town # LEN36M01
  • Quantity0

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

Lennox 37169 Draft Control

Lennox
  • Mfr Part # 37169
  • Parts Town # LEN37169
  • Quantity0

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

Lennox 40L87 Relay, 24 Volt, SPST

Lennox
  • Mfr Part # 40L87
  • Parts Town # LEN40L87
  • Quantity0

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

Lennox 66K04 R01240B003 PLATE-CUTOFF

Lennox
  • Mfr Part # 66K04
  • Parts Town # LEN66K04
  • Quantity0

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

Lennox 83K10 HEAT EXCHANGER ASSEMBLY

Lennox
  • Mfr Part # 83K10
  • Parts Town # LEN83K10
  • Quantity0

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

Lennox 33H06 Gasket/Insulation, Mounting Plate

Lennox
  • Mfr Part # 33H06
  • Parts Town # LEN33H06
  • Quantity0

Obsolete, no longer available