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I just replaced the blower motor assembly on my Weil Mclain Ultra 80 for the second time in 9 years. The first one was from the previous owners and I can't comment on why it went out. But this time I replaced it and when I removed the blower I got about a tablespoon of water to fall out of it. It seems to spin just fine but I installed the new one. The original error was E-28 'No signal from blower motor I was able to reset it and get it going again but it took a while. I disconnected the harness then reset and got 120v power. That's why I assumed it was the blower motor. It was running when I replaced it but it had shut down with the E-28 code 3 times over a few days. I figured I needed to replace it. I'm assuming the water in the motor was my problem. I live in an extremely dry climate. The boiler looks like it had a bad leak in it at one time. The vent air and exhaust air go out of the house at the same spot about 6 feet directly above the unit. Any ideas on what I an do to prevent this from happening again?