National Comfort Products®

How to determine the date of production/manufacture or age of National Comfort Products® HVAC Systems.

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

Parent Company:  National Refrigeration and Air Conditioning Products, Inc.

Example serial number styles/formats found:

  • Style 1:       24730347 (Used since 2002)
  • Style 2:       23221112 (From 9/30/1988 t0 2002)
  • Style 3:       B98B1112 (Prior to 9/30/1998)

Style 1:  24730347

Year of manufacture is coded in the 2nd & 3rd numerical digits.  In this example the number 47 represents the year 2003.  (See chart below).
Month of manufacture is coded in the 4th numerical digit.  In this example the #3 represents the month of March. (See chart below).


Style 2:   23221112

Year of manufacture is coded in the 2nd & 3rd numerical digits. In this example the number 32 represents the year 1998. (See chart below).
Month of manufacture is coded in the 4th numerical digit. In this example the #2 represents the month of February. (See chart below).

Style 3:  B98B1112

Year of manufacture is 1st &2nd numerical digits

Month of manufacture is 3rd character letter digit (See chart below)

Page last updated: 13 Sep 2015

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Lennox Industries Recalls to Repair Garage Heaters Due to Fire Hazard

FOR IMMEDIATE RELEASE
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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