The ANSWER.. Will a Pfaff 1222 pedal operate a Pfaff 1222E? This is what happened in my case. We managed to track down the 053 pedal for use ONLY with the 1222E
Amazon.com: Foot Control Pedal #90-222040-08 For Pfaff 1212, 1221, 1222E Sewing Machines
$25 Pfaff 1222 Sewing Machine With Accessories for Sale in Battle Ground, WA - OfferUp
High Shank Ruffler Foot Attachment For Old Style Pfaff 1222 1222e 1229 # 55642 - Sewing Tools & Accessory - AliExpress
Becky's Pfaff 1222E Part 1 - YouTube
Pfaff 1222 'V' 1222E pedal. - YouTube
1Wat SW
Repairing my Pfaff 1222 Log - Quiltingboard Forums
PFAFF UPDATE | made by Julianne
Amazon.com: Foot Control Pedal #90-222040-08 For Pfaff 1212, 1221, 1222E Sewing Machines
Electric Foot Pedal Control Pedal + Power Cord Pfaff 1216,1217,1221,1222 ,1100,etc