SearchAsk us anythingarrow rightHow far can you run a furnace exhaust?The exhaust gas ventilation terminal shall be positioned at least 3 feet above any forced air inlet within 10 feet.Let's Get It Fixed!Our virtual experts can diagnose your issue (for free!) and resolve simple problems.Chat with a live expertChat nowCall 1 (855) 466-3948Call nowRATESHARECopy linkTwitterFacebookmagnifying glassLink copied to clipboard.SUBMIT AN ANSWERShop Recommended ProductsShop HomeX Recommended ProductsRELATED QUESTIONSHow long can you run gas logs?The service representatives said that if your gas fireplace has doors on the front that are easy to open, you should only operate it for two to three hours at a time.However, if your gas fireplace does not have ventilation or front doors that can be easily opened, it should only work for two or three hours at a time, said the service representatives.How far can a vent pipe run horizontal?The vertical pipe that goes through the roof goes across the attic vent.The fan passes horizontally through the attic up to 20-25 feet to the vertical tube that crosses the ceiling.How far can you run a sewer line?Maintaining the fall is the only limit on the length of run. Every 75 feet code requires a cleanout to be installed if necessary.In fact, there is no limit on the duration of the race, but it is necessary to keep the fall. As mentioned above, each 75 foot code will be required a cleaning will be installed to clean the line if or if necessary.How high does a furnace have to be off the ground?The oven must be at least 18 years out of the ground in a garage by code.The code requires the furnace to be off the floor in the garage.How far can you run a bathroom exhaust fan duct?Fantech recommends a minimum of eight feet of flexible hoses isolated between the inscription or the exhaust grid and the fan engine. The company does not quote a maximum length of the exhaust pipe.Fantech recommends a minimum of eight feet of insulated flex duct between the exhaust inlet register and the fan motor. A maximum exhaust duct length is not cited by the company.How far can you run a dryer duct?35 feet from the dryer location to the wall is the maximum developed length of the exhaust duct. The maximum length of the duct is reduced by 2.5 feet for each 45 degree bend and by 5 feet for each 90 degree bend.The maximum length of the exhaust pipe of the dryer shall not exceed 35feet from the position of the dryer at the end of the wall or soffit. The maximum length of the channel shall be reduced by 2.5feet for each 45° (1.8 rad) curve and by 5feet for each 90° (1.6 rad) curve.