How to

How do I use the ventilation lock feature?

How do I tilt in my Masterview window to clean it?

How do I place the sash back in the window?

May 7, 2020 by masterviewwpadmin in How to

Most EcoShield single hung and double hung windows have ventilation locks on the top sash vertical rails.

To tilt a window in for cleaning

Since they are spring-loaded, simply push in against the lock and slide upwards.
The lock will protrude out as pressure is taken off.
Once the lock has been extended, raise the bottom sash until it catches the ventilation lock.

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