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Do a quick search online for the brand and model of the water heater. Most manuals for install are available online, but of course this will depend on the age of the unit. The manual (in most cases) describes the limitations of exhaust pipe distances and in particular the inclusion of elbows in the flue. It is important to check as elbows reduce the ease of ...


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Unless your hot water heater is positively vented (i.e. an exhaust blower), you need a draft hood in order to prevent back pressure in the vent line. If you connect directly to the hot water heater without a draft hood, you are risking having the pilot light blown out by pressure in the vent (think wind) or letting exhaust gases escape into your house. It's ...


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You'll use more power with the larger element, unless you/your family are very strange. You'll use more power because you'll get more hot water before the water heater can't keep up - if you used exactly the same amount/temperature of water, you'd use exactly the same amount of power. Standby losses are pretty minimal for a well-insulated modern hot water ...


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I wouldn't bother unless you're going to have your water turned off for a couple days. In that case, turn off the water heater itself. You'll have a hard time using any hot water with the main turned off, so it is mainly a consideration of whether or not it's worth it to keep the water in the tank hot over the period you won't be using it.



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