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Monday, September 8th 2003, 6:14pm

Author: jotts

Vertical versus horizontal installation

Thank you for the quick reply. I like your idea and thought about that option after deliberating over how to winterize the master valve if it is upstream from the blowout. I then received the following note on this topic: Jon, You should mount all irrigation valves such as the 2400T in the horizontal postion. The valve closes by equalizing the pressure above and below the valve diaphram which lets the spring and gravity help close the valve. It would work for a little while however after the val...

Monday, September 8th 2003, 9:32am

Author: jotts

Vertical versus horizontal installation

Is there any known problem with mounting an Irrotrol 2400T valve vertically? My water line comes up from below and I'd like to mount a master valve on the same vertical water line just before the AVB which is a 90 degree, then the blowout valve followed by the zone valves.