For me, this was an exact replacement. I just put the batteries in, duplicated the setup codes from the original and snapped it onto my existing sub-base on the wall. Getting the setup codes right is important.
Verified purchase: Yes | Condition: New
Works great, easy installation.
Verified purchase: Yes | Condition: Pre-owned
Works great.
Verified purchase: Yes | Condition: New
Good thermo accurate and last a long time they don’t make them like this any more
Verified purchase: Yes | Condition: Pre-owned
Great product!
Verified purchase: Yes | Condition: Pre-owned
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