Ca++
Well-known member
I think they are the baby of the group, if keeping with this style. Today it's £6 delivered (<$10) but 12v (standard stuff)
Solenoids, if you need them, are about £4 in this size
2.11C$ |DC 12V 2 Way Mini Electric Solenoid Valve Normally Closed Small Air Vacuum Water Switch Flow Control Valve DIY| | - AliExpress
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12v timer, for your 12v system, maybe £7.50