The DFL is a reliable, electronic, two-in-one unit that combines warm air limit control with a single-speed fan controller. It features two control relays — one to control the fan or blower and the other to act as a high-temperature control relay.
- Durable, easy-to-install thermistor probe
- Adjustable fan differential
- Accurate ± 3°F of set point
- Fahrenheit and Celsius scaling
- Can be mounted in the electric panel
- Complies with UL873