Non-adjustable fan control for the warm-air distribution blower(s) found on current DAKA furnace models (521, 521FB, 621), also used on many older DAKA models. Turns blower(s) on at 120°F and shuts blower(s) off at 100°F. (Replaces Part # 58640004).
Non-adjustable operating fan control, used to control the small draft blower found on the front of DAKA furnaces that are equipped with forced draft. Open at 190 degrees F, close at 170 degrees F.