Need Harvey porch door latch

A quick learner from USA says:
We purchased a Harvey Patio enclosure 6 years ago.

Right before Harvey sold that line of business.



Recently our latch broke off. We need a replacement latch. Could also be a doorknob if it fits.

Drill holes are standard. 2 ½ inches apart.



Important to have a latch that reaches the frame. Most of the latches now are smaller (cheaper).

Don't want to have to drill new holes in the door if we can help it.



If Swisco has the replacement part, where can we buy it in the Providence or Boston area?
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Emily from SWISCO responded:

Hello!

We don't have your exact handle but our 40-028 looks similar. Our mounting holes measure 1-3/4" on centers, however. Look over our specifications and compare them to yours to see what you think. 

We're not sure where you can buy this in your area, I'm afraid. 

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