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“Retrozone” and “Flexdamper” are trademarks of Retrozone inc.
Damper Motor Retrofit Kits
These replace many obsolete and hard to find damper motors,
see below for applications
Replaces:
Synchron-Enerstat, Lennox, Jackson, Retrozone, Young
Replaces Synchron motors:
38398L, 37789R, 38766R, 38929L, and 39154R
Replaces:
Belimo to Ztech and Buetler Zoning Systems and other dampers that have a round or flat shaft
under 3/8” diameter
Replaces:
Belimo to Honeywell ZD , ARD, M847D, M847D1004, M847D1012, and RZ-135-7
Replaces:
8-terminal motors:
Belimo Trol A Temp MSTN EWC MAN to Honeywell
Replaces:
obsolete DuroZone 35141(24v) and 35142(120V),
EWC and other brand dampers using slotted 7/32 damper drive shaft.
(UL Listed NEMA2/IP42 9405)
EWC dimensions: 3 3/5” x 3 5/8” x 6 1/4”
Replaces:
Synchron-Enerstat, Lennox, Jackson, Retrozone, Young
And Synchron motors:
38398L, 37789R, 38766R, 38929L, and 39154R
Replaces:
Honeywell ZD , ARD, M847D, Aprilaire, Perfect Temp, Suncourt
and other brands with a 3/8 or smaller shaft with motor removed
Replaces:
Ztech, RCS, Beutler, ZTE, M847D1004, M847D1012
and other dampers with similar mounting