Thermal guard window item #478A. Product No. 424461.

A home owner from Valhalla, NY says:
March 29, 2011
I have a thermal guard window item #478A. Product No. 424461. These windows were installed 10/8/79. Do you have a replacement part?..I need two for the same window. Thank you, Liz
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Tom from SWISCO responded:
March 29, 2011
I tried to cross reference those Thermal Gard part numbers but I did not find anything. Can you post a quick picture and description of the Thermal Gard part you are replacing?
A home owner from Valhalla, NY says:
March 31, 2011
Hi, I have three pictures of the window lock that I had inquired about. the first two are of the broken one, the last is what they should look like . If you have them great. Thanks
user submitted photo of window lock
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Paul from SWISCO responded:
March 31, 2011
Good Afternoon,

Thank you contacting us and submitting your photos. Please take a look at the Swisco 90-133L and 90-133R Douglas Loyd Locks.
Thermal Gard Lock, LH
Thermal Gard Lock, LH
90-133L
$10.28
Thermal Gard Lock, RH
Thermal Gard Lock, RH
90-133R
$10.28
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