Easy installation. liked the fact it had electronic relays. This was my second attempt to replace the fan control, the first was a second hand unit and failed a few months after installation. This unit was a direct replacement wire for wire with only one difference being the "hi-lo" terminals were reversed but it was marked well and an easy fix.
Verified purchase: Yes | Condition: New
A direct replacement for the original HH84AA011 board. The board has failed so the fan ran non-stop. Put this board in fixed that. The whole installation took about an hour, it's not hard but you do need to be patient and just do it. The board actually can be used to replace many boards, the list is in the instructions. I wish that list was made available widely. I had to dig a little to find if the board will work to replace my board. Reading instructions and maybe watching some YT video will help too.
Verified purchase: Yes | Condition: New
Furnace blower remained on in low speed after AC was turned off. As a temporary solution I had to turn off the power at the furnace. I suspected the problem was the old HH84AA011 Carrier control circuit board. The only issue is the GAS1 to GAS3 jumper from the old board will not fit on the ICM271. The spade prongs are too far apart. So all I did was to solder a jumper wire on the corresponding terminals on the solder side. Now blower shuts off completely at the thermostat. I awarded 4 stars because old board jumper does not fit new board.
Verified purchase: Yes | Condition: Pre-owned
This board is a replacement for 25 year old Carrier, Bryant and Day and Night non fan-induced furnaces. Info is available online for compatibility by serial number. It mounted correctly with the screw holes in mine. It seems to operate the furnace better than the original board.
Verified purchase: Yes | Condition: Pre-owned
The nicest carrier furnace board I've seen to date. Purchased a few used ones previously and they typically last a couple years. This is the first new replacement I've seen for a 30+ yr old furnace!
Verified purchase: Yes | Condition: New
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