A 36,000 Btu/h Water Heater installed in a building provided with outdoor combustion air through one-permanent opening shall have the opening be a minimum ____ square inches in area.

The minimum trap size for a lavatory fixture shall be ____ inches.

When installed in a garage, water heaters having an ignition source must be elevated a minimum of ___ inches above the garage floor.

A building drain that passes through a foundation wall shall pass through a pipe sleeve that is sized ___ pipe sizes greater than the pipe passing through the wall.

A shower liner test shall consist of the shower drain being plugged and the floor and receptor area be filled with water to a depth no less than ___ inches measured at the threshold. The water shall remain for at least ___ minutes to inspect if any leakage occurs.

The temperature-relief valve for water heaters shall be set to open at a temperature no greater than ____ ℉.

The maximum water consumption flow rate for a sink faucet shall be:

ABS pipes installed horizontally shall be supported at a maximum ___ feet intervals.

When chemicals are introduced into the lawn irrigation system, the potable water supply must be protected against backflow by which of the following standards?

What color pipe is used to identify nonpotable water distribution piping?