The Original Pella Sliding Door handle was used from 1967 - 1990 was discontinued in 2023 
May be Replaced with 14587 Keyed or 14588 Non-Keyed - This handle set will be inverted when installing  
Optional replacement 147181 Non Keyed or 147182 Keyed . 
There are several other styles of handles that will work.147188, 147189

Notes: 
1. May reuse the existing Mortise lock with either handle set 
2. Keyed or non-keyed handle sets fit the same way 
3. Will need to drill new installation screw holes to connect inside and outside pulls 

Pella Original Specs 
Door Thickness: 1-3/4 inch  
Mounting Escutcheon Plate: 1-1/8 x 7-1/4 
Thumb Latch Position: 1-3/16 up from bottom screw hole 
Screw Hole Spacing: 6-13/16 inch  
Handed: Yes, thumb Latch for left or right hand doors 
Handle Set Color: Copperite  

Replacement Handle Specs 14587 OR 14588 
Door Thickness: 1-3/4 inch  
Mounting Escutcheon Plate: 1-1/4 x 12 
Screw Hole Center: 7-1/4 inch