Old Taco Valves

Cubuff25

I am having issues with all 8 of my Taco Valves.  The type is E075C2-3, Type-E, 24V N/C, 3/4" Sweat 2-way, Ball Valve Style Zone Valve. 



The issue is that the valves are not fully closing so that when one area starts to heat up, they all do.  Yesterday I shut off all of the thermostats, then went down and closed the valves manually (each has a seperate shut off valve,) and now I am pretty sure it is the Taco's that are giving me issue.  They were all originally built in 2008/09 and from what I have seen online they are failing everwhere.

Funny thing is that Taco's website does not even acknowledge that they make such a beast.  They say they had a E075C2-1 but not a 2-3, so I am not sure what I have here.

My real question is, can I replace this with the latest and greatest, with just the electronics, being part number:  ZA024Q4A1.  I am hoping not to have to sweat anything.

I appriciate any help.  See attached picture if it helps, sorry for the low quality.

Joe Mattiello

Taco Valves

Good Morning

I was reading your post and I thought about a conversation I had with John W yesterday morning regarding your issue.  I know he was handling it, and your in good hands, However, if you have any questions, you can get in touch with me directly. 

Have an awesome day