Drain parts

We've had out tub occasionally back up with water at random times and the toilet next to it leak from underneath. The tub has been having a time drainung, but not every time. The last few days it has increasingly become a big problem. My husband used the half bath (shares a wall with said tub) and...

Crawlspace has gravel floor over dirt. Our whole house smells like sewage since the cistern overflowed onto the floor. What can we use to get rid of the smell?

Our basement was lowered by the previous owners and since moving into this home two years ago we inherited a sewage ejection pit and a separate sump pump pit. The fixtures that feed into the SEP are the toilet, sink, shower, washer, laundry sink and furnace humidifier. All the p-traps are...

I moved into a house about a month ago. It has one of those overflow valves mounted on the counter by the sink. Today, while running the dishwasher, water poured out of the valve. The deal is, it runs not only in the sink, but also the other direction onto the counter and onto the floor! What is...