Review on π Walfront SCR Electric Voltage Regulator Dimmer Temperature Controller Motor Speed Controlling Module Board with Cooling Fan (4000W, 110V AC) by Chad Baio
Unit has no fine adjustment
I have used it to control a 120v water heater It is wired correctly but has little to no fine adjustment. It seems like the entire adjustment is done in 10% of a knob turn, and it drops off as if power is cut off beyond that point. Swapping it out for a slightly more expensive digital box with identical wiring was much better. You shouldn't come back.
- Great for outdoor activities
- Not the best option
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