The drain pan collects the condensation and sends it down the drain pipe into the condensate pump.Ĭondensate pumps are nothing more than small sump pumps, designed to pump and lift water (via the smaller clear plastic tube coming from inside the "box") from a central collection point to a remote location.
The condensation runs down through the coil into a drain pan, which, if it has been installed correctly, is tilted toward the white plastic pipe you see coming through the front or side of the ductwork over the furnace.
When humid house air rushes through the coil, water vapor condenses on the surface of the coils and fins - just as condensation forms on the outside of a glass of ice tea on a hot summer day.
That coil is called the "A-coil," and it comes in two sections, tent-like, shaped like the letter "A." The A-coil gets cold as refrigerant passes through it. What is a condensate pump, and why do you need one by your furnace? Because when your air conditioner is operating the furnace blower sends the house air through a finned coil arrangement mounted in the big ductwork directly over the furnace. That small box sitting by the side of your furnace is probably a condensate pump, and it sounds as though it's overflowing and spilling out onto the floor around the furnace. Since both factors vary widely, condensate neutralizer manufacturers do not provide this kind of data and instead suggest replacing the media as needed.A. Q: How often does neutralizer media has to be replaced?Ī: It depends on the frequency of usage and volume of condensate processed. It is generally not possible to oversize the condensate neutralizer – the neutralizer media will simply last longer but otherwise will give no benefit or cause an issue. Q: Is it possible to undersize or oversize a neutralizer?Ī: It is possible to undersize only if volume of condensate produced exceeds the neutralizer unit’s capacity. Some neutralizer models come with barbed Y-fitting designed for that specific purpose. Q: What if I have two condensate producing units?Ī: Then their condensate flow rate (in GPH) or BTU rating should be added together when sizing. If this data is not available, manufacturers suggest using BTU rating of the equipment.
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Frequently Asked Questions: Q: How to select a proper size condensate neutralizer?Ī: The easiest way to size a neutralizer is by the amount of condensate (in gallons) produced by the condensing equipment in an hour. In either scenario, the benefits and peace of mind from installing a condensate neutralizer far outweigh the risks of not having one. furnace) may also pose a problem since acidic condensate kills beneficial bacteria in septic tanks and therefore disrupts their normal functioning. While PVC piping is much more resistant to condensate that metal, it’s not always possible to tell whether there are metal (especially copper) parts further down the drain line.Ī combination of a septic system with high condensate-producing equipment (i.e. When metal (especially copper and brass) drain grates/grilles, sewage piping and fittings are exposed to condensate, they quickly corrode, often causing extensive damage and costly repairs. Condensate produced by high efficiency condensing equipment, including residential and commercial gas boilers, hot water heaters and furnaces, has inherently low pH (is acidic) and poses a problem for sewer piping and septic systems.
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