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

Real OEM HVAC Parts Are In This Spring! SHOP NOW

0 Items

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 21J99 Ignition Control Board, Direct Spark

How to get it fast to ?

Ship It!

In Stock
Ships today from Parts Town Ships from Parts Town

Ships from

if ordered in the next 12h : 25min : 59sec

Promotional Price:

463.22 C$ My Price: C$ 463.22

Add to cart

0 more Purchase Options for Shipping
1-Hour Pickup!

Quantity Available:

Pickup hours: Mon - Fri
My Price:

Add to cart

more pickup options

See Local Inventory

Card Label

Billing Address

First Name

Last Name

Address Line

Apt or Suite Number

City

Country/Region

State/Province

Zip/Postal Code

Our Price:

C$ 669.10

Quantity Available:

5

Quantity Available:

5

Manufacturer:

Lennox

Manufacturer #:

21J99

Parts Town #:

LEN21J99

Units:

Each

Fits Models:

View Models List

Lennox 21J99 Genuine OEM Replacement Part

The Lennox 21J99 Ignition Control Board improves the HVAC unit’s efficiency by controlling the ignition process precisely.

Engineered for excellence, real OEM controls assist your unit in achieving peak performance and maximum efficiency
Ignition Type: Direct Spark

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:

5.75 in / 14.61 cm
Width:

4.5 in / 11.43 cm
Height:

2.1 in / 5.33 cm
Weight:

Not Available

Find Foodservice Equipment Parts

Lennox 21J99 Ignition Control Board, Direct Spark

How to get it fast to ?

Lennox 21J99 Genuine OEM Replacement Part

Part LEN21J99 fits 0 models:

New Customers?

Find Foodservice Equipment Parts

Lennox 21J99 Ignition Control Board, Direct Spark

How to get it fast to ?

Ship It!

Ships today from Parts Town Ships from Parts Town

Ships from

Lennox 21J99 Genuine OEM Replacement Part

Part LEN21J99 fits 0 models: