How to determine the date of production/manufacture or age of Lennox® HVAC Systems.

The date of production/manufacture or age of Lennox® HVAC equipment can be determined from the serial number located on the data plate.

Sister or similar Brands Include: AirEase® | Airease-Johnson® | Aire-flo® | Allied-Commercial® | Armstrong Air® | Concord® | Ducane® | Lennox® | Magic-Pak®

Example serial number styles/formats found:

  • Style 1:     1606B13871 or5899L 17212
  • Style 2:     C89274AAC
  • Style 3:     15A67 JA098
  • Style 4:     4140720328

Style 1:  1606B13871 or 5899L 17212

Description: Ten (10) character Serial number begins with four (4) numerical digits followed by one (1) letter and ends with five (5) numerical digits.
Year of manufacture is 3rd-4th character numerical digits
Month of manufacture is 5th character letter digit (See chart below).

Style 2:   C89274AAC

Description: Nine (9) character Serial number begins with one (1) letter digit followed by five (5) numerical digits and ends with three (3) letter digits.
Year of manufacture is 1st-2nd numerical digits
Month of manufacture is 3rd character (see chart)

Style 3:   15A67 JA098

Description:  Ten (10) character Serial number begins with two (2) numerical digits followed by a letter and two (2) more numerical digits – a space – and ends with two (2) letters followed by three (3) numerical digits
Day of manufacture is 1st-2nd numerical digits
Month of manufacture is 3rd character letter digit (See chart below)
Year of manufacture is 4th-5th numerical digits reversed.

Style 4:   4140720328

Description:  Ten (10) digit numerical Serial number.
Year of manufacture is 7th-8th numerical digits.
Work Week of manufacture is 9th-10th numerical digits.

Page last updated: 6 June 2018

Contacting Lennox

Corporate Headquarters:

2140 Lake Park Blvd. Richardson, TX 75080
phone: 972-497-5000
Web: www.lennoxinternational.com

Lennox Industries Recalls to Repair Garage Heaters Due to Fire Hazard

April 14, 2011
Release #11-197 Firm’s Recall Hotline: (888) 584-2353

WASHINGTON, D.C. – The U.S. Consumer Product Safety Commission, in cooperation with the firm named below, today announced a voluntary recall of the following consumer product. Consumers should stop using recalled products immediately unless otherwise instructed. It is illegal to resell or attempt to resell a recalled consumer product.

Name of Product: Garage heaters

Units: About 440

Distributor: Lennox Industries Inc., of Richardson, Texas

Manufacturer: Lennox Industries Inc., of Richardson, Texas or Advanced Distributor Products (ADP) LLC, of Grenada, Miss.

Hazard: Some heaters were manufactured without a required flame rollout switch, which is a back-up device that shuts down the heater in the event of a heater failure. This poses a fire hazard.

Incidents/Injuries: None reported.

Description: This recall involves Lennox garage heaters with heating capacity, model number, and serial number listed below. The brand name “Lennox”, the model number and the serial number can be found on the nameplate located inside the control cabinet.
Heating Capacity Model Number Serial Number Range
60,000 BTUH TUA060SNAF1 5609H#### to 5610M#####
100,000 BTUH TUA100SNAF1 6004G#### to 6010L#####
5604G#### to 5610L#####
100,000 BTUH TUA100SNSF1 6004G#### to 6010L#####
5604G#### to 5610L#####
125,000 BTUH TUA125SNAF1 6004G#### to 6010L#####
5604G#### to 5610L#####
125,000 BTUH TUA125SNSF1 6004G#### to 6010L#####
5604G#### to 5610L#####

Sold at: Lennox Industries dealers and distributors nationwide from July 2004 through April 2011 for between $2,700 and $4,200.

Manufactured in: United States

Remedy: Consumers should stop using these recalled heaters immediately. Consumers should contact Lennox to schedule an inspection and, if necessary, repair of the garage heater.

Consumer Contact: For additional information, contact Lennox at (888) 584-2353 between 8 a.m. and 5 p.m. CT Monday through Friday, or visit the company’s website www.lennox.com

http://www.cpsc.gov/PageFiles/75864/11197a.jpgGarage HeaterNameplate location

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