CHAIN OPENER
STROKE 380MM

Similar to the Q35250 above, but with 380mm travel and longer tail casing.The 35426 can not be used with the H35060 operator.

Minimum vent height for full 380mm travel is 900mm. Travel on chain openers fitted to a window less that recomended above must be restricted to 1/3rd. the vent height using spring stops or square nuts to shorten the cable run.

All bottom hung, open-in applications require a minimum 50mm head clearance.