I am looking for a dedicated timer to operate a 24 volt AC solenoid operated valve to add liquid chlorine to my swimming pool. The timer must have a minimum increment of 1 min and a maximum increment of up to 60 min. and the potential to activate the valve up to 4 times per day on all days during the week or on alternating days during the week. Is there anyone out there that knows of such a timer, I would appreciate your advice.