MARVIN NEXT GENERATION ULTIMATE DOUBLE HUNG AND SINGLE HUNG Block and Tackle Channel Balance
Block and Tackle balance tubes with ID Code can be ordered by part number (see chart ).
1. Provide the original order number when possible. The ID code is imprinted on the tube (see illustration).
2. Specify top or bottom sash.
3. Specify quantity. Do NOT specify as pairs or sets. If one tube is needed, specify: quantity 1.
If four tubes are needed, specify: quantity 4, sold each
4. If experiencing operational difficulties please contact your Marvin Representative.
TO ORDER, CONTACT OFFICE