The Elite Software GasVent program quickly calculates the correct vent sizes for Category 1 Gas Powered Appliances. GasVent is a true Windows program designed to be simple and easy to use by both contractors and designers. The program is very graphical and especially easy to use. Recent advances in technology have improved the average furnace efficiency to over 80%. These new mid and high efficiency furnaces can cause significant condensation in the vent. If a flue gas vent is either oversized, undersized, or of the wrong material, there is a high probability that corrosive condensate will cause pitting which will ultimately result in the failure of the vent pipe.
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