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Originally Posted by RodFarlee  Just a nerd. When I was 12, dad gave me the NEC Code book, and then I had one really good electronics class in high school. Still, know the diff' between kW and kWh, which is more than you can say of any Seattle Times reporter! (A pet peeve of mine; would they confuse mph and miles? egad!)
Wy', if the trap is filled with water, then it shouldn't be possible to get a draft up any drain! The vents are on the other side of the trap in all cases.
Older (single wall) recessed ceiling fixtures are another heat loser. It's worth replacing them with the newer double-wall ones that can be buried in attic insulation. That's another post-1980? code change.
trivia note: Some electric baseboards in large rooms (over about ~4 kW or 16 feet of baseboard) have low voltage thermostats and transformer/relay controllers. |
Drain vents go up to the roof (those pipes sticking up). At least they do on our house.
And never asssume your baseboard thermostat is low voltage!!!! I made that mistake and took a volt reading with the wires being live.... 220 VOLTS!!!!!!