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“
is von duprin out side trim
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If I convert from the Von Duprin 88 K (88 rim with 880K trim) to the 373 L trim is a new back plate required?
Resolution:
No, the back plate for 880K-knob trim is the same as for 373L-lever trim. However, since 373L is a narrow style trim, an 889 cover plate is required: part number is “889.finish”: