Dennis, put in an F&T trap on the outlet of the heater. No check valve, no vent. That should make it work fine with a condensate tank. BTW, I happen to have a Hoffman tank and pump that had about 4 years of use. It was removed when I put in the new boiler and went to a gravity return. It works great. It's a Hoffman WC-6-20B. It has a cast iron tank. I'd take $400 obo.
Sometimes visualizing things helps to understand. So, imagine that you have a coil in place, the air handler is running, and its moving 1000 cfm of air. The steam valve is closed and the air moving t… (View Post)
Ignore my previous questions about what type of 2-pipe system you have. You have a 2-pipe vented. I had read that, but forgot about that part of your post before I got back to it. As others have alre… (View Post)
Chris..... what I take away from this story is that nothing has changed. You Still approach everything with ideas to make it better. I think you're success rate has improved.... thankfully! (View Post)