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veech_gw

Oven door too hot? Agency facts and an easy test.

veech
10 years ago

The third-party (verified by other than manufacturer) agency listing companies, UL and ETL, follow the certifications listed in ANSI Z21.1 (Household Cooking Gas Appliances). In order to obtain a "listing" (approval), an appliance must pass all criteria and tests which are named in ANSI Z21.1.

All gas (and electric) cooking appliances made by manufacturers in the United States possess a certification by one of these two agencies and are usually tested in good faith; however, there are countless ways for the manufacturers to massage the testing procedures or results in their favor or even change a design after the testing was complete and never submit the change to the listing agency to re-test for verification.

ANSI Z21.1 states: "Steel surfaces must not exceed 152 degrees F after the appliance's thermostat has been set to its highest setting for one hour."

This can be cheaply, yet accurately, verified by buying a pack of "temperature indicating labels" from McMaster-Carr (mcmaster.com) and placing them in suspect areas. "5950K32" gives a good temperature range of 149 thru 199 degrees F (package of 5 for $8.10 plus ship) and they're accurate to plus/minus 1.8 degrees.

(Note: IR thermometers DO NOT give accurate readings on sheet metal, nor do cheaply purchased surface probes)

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