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  1. #1
    Super Member N80's Avatar
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    SC
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    Kubota L4400 4wd w/LA 703 FEL

    Default HVAC question

    My HVAC system is in my basement so it has a small sump type pump that sits next to it that pumps condensation out. Well, the little pump unit failed the summer before last and overflowed. So I bought a new one and it worked fine. A few days ago I was down in the basement and the dang thing was full of water and had overflowed again. But it is winter. Does the heater (natural gas) produce condensation too? And is there any trick to finding one of these little condensate pumps that will last more than 18 months?
    George
    South Carolina

    The size of government is inversely proprotional to the degree of freedom it affords.

    "What is truth?" Pontius Pilate

  2. #2
    Super Star Member murphy1244's Avatar
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    Ohio
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    Kioti DK 40-Massey ferguson 135-Ventrac 4500 Diesel

    Default Re: HVAC question

    Get pump made by Little giant, 90+ furnaces create lots of humid exhaust that turns to water that is pumped out. also use tabs in the sump to keep clean.
    Murph ------------

  3. #3
    Super Member N80's Avatar
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    Kubota L4400 4wd w/LA 703 FEL

    Default Re: HVAC question

    Thanks. Will look for a Little Giant pump.
    George
    South Carolina

    The size of government is inversely proprotional to the degree of freedom it affords.

    "What is truth?" Pontius Pilate

  4. #4
    Super Star Member murphy1244's Avatar
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    Kioti DK 40-Massey ferguson 135-Ventrac 4500 Diesel

    Default Re: HVAC question

    Quote Originally Posted by N80 View Post
    Thanks. Will look for a Little Giant pump.
    Its a complete pump and sump unit should run about75$
    Murph ------------

  5. #5
    Super Member N80's Avatar
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    Kubota L4400 4wd w/LA 703 FEL

    Default Re: HVAC question

    Yes, their Nextgen pump is a good bit more than the flotec and other models at the big box stores but the reviews are much better. Has a two year warranty as well. I'd rather spend more money once than less money and have to replace every 18 months. Thanks again.
    George
    South Carolina

    The size of government is inversely proprotional to the degree of freedom it affords.

    "What is truth?" Pontius Pilate

  6. #6
    Veteran Member KennyG's Avatar
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    Jan 2011
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    SW Michigan
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    John Deere 2320

    Default Re: HVAC question

    If you are wondering where the condensate comes from, natural gas is mostly methane - CH4. When it burns, the carbon atom becomes a CO2 molecule and the four hydrogen atoms become two molecules of H2O - water. Because the high efficiency furnace takes so much heat out of the exhaust a lot of the water condenses.

  7. #7
    Super Member N80's Avatar
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    Kubota L4400 4wd w/LA 703 FEL

    Default Re: HVAC question

    You learn something new every day!
    George
    South Carolina

    The size of government is inversely proprotional to the degree of freedom it affords.

    "What is truth?" Pontius Pilate

  8. #8
    Super Member kenmac's Avatar
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    The Heart of Dixie
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    yanmar 3110D

    Default Re: HVAC question

    Buy 1 that has a built in safety switch. When the pump fails, the safety switch shuts down the unit so ,it doesn't over flow.The condensation from a 90+ furnace is acidic and will rust out the cheap pumps
    Yanmar 3110D
    07 Dodge 2500 5.9 Cummins
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    16' Tow Master Dump Trailer ,20' Yanmar Hauler

  9. #9
    Super Member N80's Avatar
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    Kubota L4400 4wd w/LA 703 FEL

    Default Re: HVAC question

    This one has two switches. A large float switch which activates the pump and then a small switch higher up that must be a shut off. I emptied it out and the tank was full of garbage that looked like fungus or something. I cleaned up the tank and slits where water goes into the pump. I blew out the tubing that carries the water outside. It might have been a little clogged. If I lift the float switch the pump activates so I think it is still working. Its all hooked back up again and I'll check on it this evening.
    George
    South Carolina

    The size of government is inversely proprotional to the degree of freedom it affords.

    "What is truth?" Pontius Pilate

  10. #10
    Super Member kenmac's Avatar
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    The Heart of Dixie
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    yanmar 3110D

    Default Re: HVAC question

    The safety switch connects (usually) to the thermostat wires. A small amount of water stays in the pump and algae will grow .. You should out the pump every season..You can fill it with water to check & see if it's still working
    Yanmar 3110D
    07 Dodge 2500 5.9 Cummins
    Husky 372xp
    Husky 55 Rancher
    Maruyama trimmer
    Husky trimmer
    Redmax BP blower
    Toro zero turn
    North Star 4 K PSI pressure washer
    Honda 300 4 trax
    Yamaha Timberwolf
    liquid logic coupe kayak
    16' Tow Master Dump Trailer ,20' Yanmar Hauler

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