| http://www.w3.org/ns/prov#value | - The Sonachron Program Timer from Lathem is ideal for schools and industry.The Sonachron is a dual-purpose, single circuit program timer, ideal for signaling horns and bells or for controlling the On/Off status of electrical devices such as HVAC or appliances.The Sonachron is user-friendly, with a front-mounted keypad that lets you program the exact minute and weekday(s) of each event.
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