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Question
Answer
Is it normal to see voltage between SC and I1 I2 I3 I4 on power supply option board (900-2RS, 900-4RL, 900-4R) terminals?
Resolution:
Yes, it is normal to see floating voltage between the Signal Common (SC) and Input terminals on the power supply option board. The Input terminals are not Ground terminals, so they are not a ...:
What does OPTR nomenclature stand for?
Resolution:
one piece top rod (for exit devices):
In the Interactive Pricing Tool in the customer portal, how do I find prices of service parts?
Resolution:
In the search bar at the top right of the product model selection page, type in the word "parts" or "service".:
Can I order strikes only for Ives surface bolts?
Resolution:
Yes, the top and bottom surface bolt strikes are sellable by themselves. Order by description and finish. Part number varies by finish.:
What is the F and Ff stamping on the latch face?
Resolution:
Latch products marked uppercase letter âFâ comply with the positive-pressure requirements of ANSI/UL 10C. UL had previously authorized the use of the lowercase letter âfâ to denote produc...:
For NL-OP function with 33A/35A series exit devices, can I add just a rim cylinder to operate the devices?
Resolution:
The 388NL cylinder control (or a thumbturn control) must be used for NL-OP function. The back side of the 33A/35A center case protrudes through the push side skin of the door, so ordinary rim...:
What is the blade dimension for the 35-250 emergency key?
Resolution:
The material thickness is .065":
Are blocking rings available for rim cylinders?
Resolution:
Blocking rings are not available for any of our rim cylinders. :
Is the HDSI/CDSI tumbler available as a service item?
Resolution:
The HDSI/CDSI tumbler is not available by itself as a service item. It is only available as part of an HDSI kit or a CDSI kit. See below for part numbers. 33A CDSI Kit 3'/4' -...:
How long is the push bar on Von Duprin 33/35/98/99 2-foot exit devices?
Resolution:
For 2-foot exit devices, the push bar is 18 inches long.:
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