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Friday, May 18th 2018, 8:54pm

Author: Growing Assets

Irritrol 2500 not shutting off

I replaced the internals with new, and replaced the coil. Still won’t shut off fully. Replaced the whole unit with a mt204. Still won’t shut off fully. Not using the controller yet, jut manual on and off. I can get it to shut off by turning the isolation tap off, but when I turn the valve back on it won’t shut down. 350kpa pressure.

Wednesday, May 16th 2018, 5:25pm

Author: Growing Assets

no AC message. Trying to rewire controller

A 9v battery wont power a solenoid coil. Sounds like you have shorted your transformer. There are two wires going to each of your 24v terminals. And one to R terminal. Do you have a remote control?

Wednesday, May 16th 2018, 5:13pm

Author: Growing Assets

Irritrol 2500 not shutting off

I am a service tech and have come across a system with all irritrol mt2500 solenoids. It’s about 2 years old. It was a diy install and has good parts but poor workmanship. The master valve and one station valve have slow internal leaks. I opened them up and swapped the diaphragm and seat with a mt2400. This didn’t fix the issue. I noticed that the seat ring is very loose on both. Is this normal? Has anyone got any experience with these valves or shoul I swap them out for Mt205?