Honeywell Limit Control L4029E1011

Honeywell L4029E1011

Limit Control that breaks on rise with manual reset, fixed 135 F range and 3" insertion. L4029E Reset Limit Control opens a line or low voltage cicuit if the air temperature reaches a critical level at controller location. The primary usage of the L4029E is as a fire thermostat in the duct work of air conditioning and ventilating systems. If the circulated air reaches a temperature indicative of fire, the limit control shuts off the fan, preventing the fan from contributing to the spread of fire. It is also suitable for use with any warm air furnace to provide positive lockout of the burner in the event of fan failure.