One arm has "Entry Gard" what looks like a house then the word "Truth" underlined. The second arm has the # 207 55

A contractor from Gambrills, Maryland says:
Do you need any additional Info? do I need measurements of anything? Windo size arm length???
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A contractor from Gambrills, Maryland says:
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Emily from SWISCO responded:

Depending on the length of the link arm, it looks like you could have either the 39-031 & 39-032 or the 39-155 & 39-156 operators. Review our dimensions and compare them to yours to see if one of these matches your original assembly. 

A contractor from Gambrills, Maryland says:
You talk about dimensions, where exactly do I measure from and to? From the pivot point to the end of the long arm?
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Emily from SWISCO responded:

Dimensions can be found on the operators' respective product pages but I will also post them here for your convenience. 

Dimensions for 39-031
Dimensions for 39-031

Dimensions for 39-032
Dimensions for 39-032

Dimensions for 39-155
Dimensions for 39-155

Dimensions for 39-156
Dimensions for 39-156

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