A window”s terminal housing is where the pivot bar is located on a window. The pivot bar allows the window shash to lock. If the terminal housing is broken, the pivot bar won’t be able to help the window won’t be able to stay up, and, as a result, your window might even fall out of the frame. If your Harvey Window’s terminal housing needs replacement, check out our easy, step-by-step video on how to do so below!
How to Replace the Terminal Housing on Your Harvey Double Hung Window
Tools Required to Replace a Window's Terminal Housing:
- Flathead screwdriver
- Phillips head screwdriver
- Angle pick
- Plastic or rubber mallet
- Replacement balance (make sure it is the correct size and type for your specific window)
What is a Window's Terminal Housing?
This is the part of your window that holds electrical wiring blocks used for connecting wires. They’re typically made from plastics to prevent electrical leaks.

When Does a Window's Terminal Housing Need to Be Replaced?
- Your window struggles to open and close.
- Your window sash feels wobbly and tilts when it’s open.
- Your window sash doesn’t lock properly.
If you experience any of these issues, it’s probably time to replace your terminal housing.
Does a Broken Terminal Housing Mean the Window Needs to Be Replaced?
Not at all! Fixing the terminal housing is a relatively easy process. As long as the rest of your window is in good shape, you don’t need to worry about replacing it if you have a broken pivot bar. To learn more about our window services, contact Three Sons Window & Door.
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Schedule a Consultation for Harvey Double-Hung Window Replacements & Installations in Waltham, MA & Greater Boston Area
At Three Sons Window & Door, we offer installation and replacement of Harvey double-hung windows. To learn more about our window services and receive a free estimate, submit an online request or call us at 781-899-6353. We can’t wait to hear from you.