I meant to write "biggest"... it came out as "because".. brain fart I guess...
Anyway, yeah... same Johns Manville. The manual told you how to use it for watering or misting poultry too as I recall..
I ran across it in '84 or '85. I replaced it with an Irritrol clock... probably a Dial AB, because those were good enough for most jobs and easy enough for homeowners to handle..
Landscaper. Irrigator. Illuminator. Music lover. Coffee drinker.