[RE-wrenches] Tigo TS4-A-F

Zeke Yewdall zeke at darkforestsolar.com
Tue Nov 18 10:51:45 PST 2025


Exactly what kinds of failures have people been having on the APsystems RSD
units?  That's what I've been using when I encounter a roof (mostly because
of availability with my distributors, but also being able to easily tuck
them into the channel instead of having to mess with bolts or clips).  I
have not had any failures that I know of yet... but depends on what their
failure mode, failing open or closed or what.  If they fail closed, it
would not be apparent till someone tested or tried to use the RSD system.

Zeke


-- 
Zeke Yewdall
PV Engineer
NABCEP #031508-89
zeke at darkforestsolar.com
303-523-3592
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