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[Brandt]

Does anyone know if the Leviton keypads are compatible with the XPT transmitters bases?

Leviton:
http://www.smarthome.com/4210R/Leviton-Wall-Mounted-X10-Transmitter-Base-16400/p.aspx
http://www.smarthome.com/4211WR/Leviton-Wall-Mounted-X10-Controllers-with-LEDs-White-16450-1W/p.aspx

X10:
http://www.x10.com/pro/automation/keypads.htm

[Brian H]

I would doubt it.
I also remember there being a change in the base. Early pads and early bases worked with each other as did later pads and later bases; but could not mix a early with a later one.

[dbemowsk]

Brian, that is true.  I have a couple of the late model bases and pads, and when I looked into ordering them I was told the same things.  The late model bases and pads are labeled as the A series XPT switches.

Dan B.

[Brian H]

Thanks for the information.
I was looking at a few EBay and on line automation sites. Some also listed the later 'A' keypads and older ones.

[Brandt]

Yes I recently purchased and installed the newer XPT with the XP2 keypad...But the keypads seem like cheap plastic and they aren't tight fitting..they rattle a bit..

The Leviton version looks much better, but If I could just buy one of their keypads and use the already installed XPT..that would be great

[Brian H]

Not too sure how recent this X10Pro Cross reference is.
http://www.x10pro.com/pro/crossref.html

[Brandt]

Well I looked up the leviton part number on that cross-ref and it was discontinued, but this may mean they're compatible

[JeffVolp]

The keypads for the old Leviton 6400 base are 6450-XX, where the XX defines what type of keypad.  For example, the 6450-4A has 4 buttons that controls 3 lights, with the 4th button being ALL ON/OFF.  The 6450-4D is similar except the 4th button is Bright/Dim.  There may be some of these still kicking around on eBay.  I have a few old stock 6450-4A left (in ivory).

There were reports of reliability problems with the 6400 base.  That model was superseded by the Leviton 16400 base and 16450 keypads.  We use a bunch of them here, and they have worked flawlessly for the last 6 years.

Jeff