just purchased the aprilaire 1730a dehumidifier for my basement. its working beautifully as i type this. just wondering about the filter. they have a washable filter inside the unit, i was wondering if it would affect performance if i removed that and installed an aprilaire 2210 series filter in the ducting on the inlet side.
The filter is there to keep dust bunnies and other big debris out of the coil. The manufacturer should have washing instructions in the manual, but I check mine monthly. If you let dust accumulate, you will eventually get nuisance shut-downs or excessive ice buildup. I would stick with the manufacturer's recommended filter, and follow their maintenance instructions. Make sure you pump or run the condensate into a sump or outdoors; if you don't, you're just recycling the water.