Daywell
Coulisse

RTU-38

RTU-38 · 38 mm nominal

Daywell fitment unverified. Reference parts below apply to their original motor system; they are not approved Daywell kits.

Material
Aluminum
Tube part
RTU-38
Profile notes
Minimum rib clearance needs confirmation; drawing diameter is not a tolerance stack. Section-to-PN association uses the single/two-groove illustration and naming; confirm exact supplier extrusion revision.

Original-system adapter references

MotionBlinds CM-03 (25mm)

Documented by manufacturer

Crown
RC3207-G
Drive
RC3219-G
Kit
Separate parts

p33 suffix-G; p93 omits color suffix. CL02 regional availability unresolved.

Source documentation

Coulisse Absolute Roller Americas brochure · page PDF33/93

Sonesse30 RS485

Documented by manufacturer

Crown
9019584
Drive
9019588
Kit
Separate parts

Exact RTU-38 named; international SDN source does not establish current NA stock.

Source documentation

Somfy SDN Reference Book · page PDF30 / C.43

Tube source documentation

Coulisse Absolute Roller Americas brochure · page PDF42-43;33;93

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