The L61 and L62 Series BASO® Safety Shutoff
Devices are for use on all gas-fired, standing pilot
equipment that requires main burner shutoff when the
pilot is extinguished. Typical applications include
domestic central heating and commercial space
heating appliances, as well as industrial processing
equipment (for example, die-casting machines and
The L61 and L62 monitor the pilot flame through the use of a thermocouple. If the pilot flame is extinguished, the switch will interrupt gas flow to the main burner (and pilot burner in 100% shutoff models), shutting down the appliance.
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