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Plenum & Fan Limit Control Thermostats

Plenum & Fan Limit Control Thermostats

Also called furnace limit controls, these thermostats sense when the furnace burner has sufficiently warmed the air and then turn on the blower, helping to prevent cold air from being blown out. To avoid overheating they also turn the burner off if the air reaches a maximum temperature.

Limit Open on Rise / Fan Close on Rise

Open on Rise