Skip to Navigation Skip to Content

What You Can Expect:

The most in-stock parts on the planet — all OEM, all the time
Cool technology to make finding and buying parts a breeze, including Serial Number Lookup, PartSPIN® and Smart Manuals, found on partstown.com and our industry-leading mobile app
An exceptional customer experience from the team you know and trust with every email, live chat, text and phone call, provided by a friendly and knowledgeable team
Later hours than anyone else — offering support and shipping all in-stock orders until 9PM ET

ribbon image

Real OEM HVAC Parts Are In This Spring! SHOP NOW

My Shopping Cart

You didn't add any products to Your Cart yet Continue Shopping

Important Update: Click here for the latest information on tariffs and their impact on our industry.

find parts
find manuals

Find Foodservice Equipment Parts

Enter keyword or Part #

Lennox 100503-01 THERMOSTAT SPST OP70 CL50 40"

Obsolete LEN100503-01 has been replaced by: LEN95M54

Call or email for price

Manufacturer:

Lennox

Manufacturer #:

100503-01

Parts Town #:

LEN100503-01

Replaced by PT #:

LEN95M54

Units:

Each

Fits Models:

View Models List

Lennox 100503-01 Genuine OEM Replacement Part

THERMOSTAT SPST OP70 CL50 40"

Required fields.

Card Label

Expiration Date

Billing Address

First Name

Last Name

Address Line

Apt or Suite Number

City

Country/Region

State/Province

Zip/Postal Code

Fits Models
Specs

Length:

Not Available
Width:

Not Available
Height:

Not Available
Weight:

Not Available