102 Is a discontinued item. Direct Replacement is 147 Encore Style which is what you will be shipped. You will need to order a cover and handle kit as well(Part# 137). See Accessory link below.
102 The Maxim Series Dyad Operator is designed for narrow windows, but will operate a frame width from 16” to 32”; height up to 72” and a sash weight of up to 55 lbs.
To determine what handing to order: Look at picture of part and match up your operator to our picture to determine if you need to order a Left or Right handing. Click on picture to enlarge.
Note that in this video this is a new style window and parts have the SNAP RINGS on the Hinges and sash bracket. Older style windows and parts will have a sliver or black clip that moves to detach from the sash.