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    topsarge1964's Avatar
    topsarge1964 Posts: 1, Reputation: 1
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    #1

    Nov 3, 2010, 08:49 AM
    Can you drain a high efficiency heater into a vent pipe?
    I have a 92% heater in my attic and it condensates. The HVAC guy was an idiot. I have built a box made from foam board around the heater it it doesn't seem to be condensating. What are some fixes that are inexpensive. I am tired of throwing money at this idiots screw up.
    ma0641's Avatar
    ma0641 Posts: 15,675, Reputation: 1012
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    #2

    Nov 3, 2010, 12:55 PM
    92% heaters should condense water from the burnt gas stream. In my house, the condensation is drained into a condensate pump, same as the AC unit, and then pumped into the waste stack. Enough water remains so it has a trap. Is there a drip tray under the unit? If the water runs into that, you could connect a PVC or poly line and gravity feed it outdoors.
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