The Sangamo Round Pattern Time Switch (or RPTS) is well known for its quality and reliability. All models can switch up to 20A and are fully manufactured in the UK. 

The longevity of these timers is legendary, a recent survey found many lasting three, four and even five decades. Many outlasted their original purpose and were reinstalled a second or third time.

Round Pattern Time Switch

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Sangamo
Q550 Suntracker
Sangamo
Q551 Suntracker
Sangamo
Q553 Suntracker
Sangamo
Standard RPTS Q554
Sangamo
Q555
Sangamo
Standard RPTS Q557
Sangamo
Standard RPTS Q559
Sangamo
Standard RPTS Q586
Sangamo
Standard RPTS S254
Sangamo
Standard RPTS S255