Hearth Record

Energy-Saving Devices On Heating Units Recalled by Intermatic

Home product recall 79-040. Announced by CPSC on Aug 16, 1979.

CPSC’s own notice, on cpsc.gov

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The short answer

Announced by CPSC on Aug 16, 1979. Copied from CPSC on Oct 19, 2026.

Every line below is in CPSC’s own words, with its source beside it.

What’s wrong with it?

Fire & Fire-Related Burn

Source:

CPSC, Recalls API. Checked Oct 19, 2026. Updated daily.

What should you do?

The notice gives no remedy in a field of its own.

Source:

CPSC, Recalls API. Checked Oct 19, 2026. Updated daily.

Which ones are recalled?

Energy-Saving Devices On Heating Units Recalled by Intermatic NEWS from CPSC U.S. Consumer Product Safety Commission Office of Information and Public Affairs Washington, DC 20207 FOR IMMEDIATE RELEASE August 16, 1979 Release # 79-040 Energy-Saving Devices Recalled WASHINGTON, D.C. (Aug. 16) -- Intermatic, Inc., a manufacturer and supplier of electrical products in Spring Grove, Illinois, is voluntarily recalling the heating units from approximately 53,000 automatic temperature setback controls, the Consumer Product Safety Commission today announced. The units are being called back because of an integral carbon resistor which may overheat and start fires. Approximately 3,000 of the units are believed still to be in consumers’ possession despite the firm’s attempts to recall the product since October, 1978. The setback controls were sold as a two-piece kit under Intermatic’s private label, “Temperature Tender.” The kit includes the heating unit and an electric timer, which enable residential heating and cooling systems to operate automatically at pre-set temperatures in order to conserve energy. They were sold at retail prices of approximately $20 to $25 nationwide. Commission staffers have been informed of 14 unit failures causing 11 minor fires in similar thermostat control devices. In conversations with CPSC staff, Intermatic officials have said that they are aware of one fire resulting from failure of their product. No injuries have been reported. Subject to the recall are the models FSl00 and FSl “Temperature Tender” heating units. The units are an off-white color and measure approximately 1% by 3 inches. They were manufactured between September, 1976 and August, 1977, and between November, 1977 and May, 1978. The faulty units bear a manufacturer’s date code within the following range: 396 through 526, 017 through 327, 427 through 527, or 018 through 218. A date code of 396, for example, designates manufacture during the 39th week of 1976. The date code and model number are on the back of the unit. In addition, only those units containing a brown-colored carbon resistor (visible through the key-hole slot in the back) are being recalled. Units with a resistor of another color are not subject to the recall, even though they may bear a date code which corresponds to one listed above. Consumers who own one of these heating units should return it to their retailer for a full refund. Anyone who needs assistance in determining whether their unit is being recalled should write to Department PAS, Intermatic Inc., Intermatic Plaza, Spring Grove, Illinois, 60081. To check date codes and model numbers, consumers should contact CPSC’s toll-free Hotline at 800/638-2772.

Temperature Tender automatic temperature setback controls.

Source:

CPSC, Recalls API. Checked Oct 19, 2026. Updated daily.

Who made and sold it?

  • Made by Intermatic.
Source:

CPSC, Recalls API. Checked Oct 19, 2026. Updated daily.

Was anyone hurt?

The notice doesn’t say whether anyone was hurt.

Source:

CPSC, Recalls API. Checked Oct 19, 2026. Updated daily.

What the record doesn’t say

  • The notice lists no UPCs, so check the model, the description and the photos.
  • The notice lists no model numbers in a field of their own; its description may give them.
  • How many have been returned or fixed isn’t in the notice.
Source:

Hearth Record wrote these lines.

Sources

  • U.S. Consumer Product Safety Commission, Recalls API.

    Checked Oct 19, 2026. Updated daily. Public domain (U.S. Government work). CPSC asks to be credited, and that no endorsement be implied.

Source:

Recalls of kids’ and home products are from the U.S. Consumer Product Safety Commission (CPSC). CPSC does not endorse Hearth Record. Copied on Oct 19, 2026.

How to read a record

Four things every record does, shown on an example record made up for this guide.

An example record, made up for this guide

An example nursing home

Made up for this guide: no real place is shown

Not fully inspected in over two years (CMS flag)

11 health citations at the latest inspection cycle

The state average is 14.3.

Source:

CMS, State and US Averages and Health Deficiencies. Released Oct 8, 2026. Updated monthly.

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