Just had an ACK42 fail after just over 5 years. Of course, Sod's Law arranged for it to fail in the fully-open position, and we didn't discover it until after there had been quite a bit of rain!
Anyway, I intend to get a replacement, and there are many suppliers online at quite a range of prices. However, I see there is now an ACK5 (eg see
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):- The ACK5 has now replaced the ACK4 actuator
- the UK's most popular actuator has been Improved with greater reliability
Anyone got any experience of this updated version? IMHO, new versions of almost anything are rarely more reliable than old versions. Is it just a "drop-in" replacement?