
The Enviro Evolution EF5 uses the EF5-112 auger timer control, a genuine Enviro part that governs the switching power and duty cycle of the auger motor. The Dial-A-Fire potentiometer sets this duty cycle through the timing control module, with the auger trim raising the feed for poorer fuel. This 115V, 1-second version is listed as the Auger Timer Control in Enviro's EF5 parts breakdown and owner's manual.
If feed rate seems inconsistent or the Dial-A-Fire potentiometer no longer reads within its normal range, the EF5 manual's troubleshooting steps call for checking the connections to this timer control module and testing the potentiometer, which should read roughly 34 K to 900 K ohms.
Unplug the appliance before replacing this control.
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