Toilets

Gravity Tank Toilets:
Gravity tank toilets, which have a bowl and a tank, are most commonly found in residential settings but are in some commercial/business settings. They depend on the volume of water in the tank to flush wastes and usually require water pressure of no more than 10 - 15 pounds per square inch (psi) to operate properly. The tank and bowl are usually two separate pieces, although this is not obvious once are in use. A few one-piece toilets are also available. Gravity tank toilets are relatively inexpensive, with retail prices for two-piece toilets ranging from $75 - $150 and one-piece models costing somewhat more.

Pressurized Tank Toilets:
This relatively new design uses wate