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The 1½-inch size is used to capture water that might flow out of a kitchen sink, a bathroom vanity or a tub. The two-inch pipe is commonly used to drain a shower stall or washing machine, and it may be used as a vertical stack for a kitchen sink. A three-inch pipe is what’s used in homes to pipe toilets.
What size pipe do you use for a shower drain?
Keep in mind that shower drain assemblies are generally made to fit a 2-inch drainpipe, not the 1 1/2-inch pipe usually found on tubs. A 2-inch pipe is the recommended size because showers have a low threshold for flooding, and a 2-inch pipe helps the water drain faster than does a 1 1/2-inch pipe.
Can I use 1.5 inch pipe for shower drain?
Current plumbing codes (IPC as well as MA Plumbing Code 248 CMR 10 for instance) need 1.5 inches to drain for a tub with a shower. The tub can drain at leisure and the shower function when in utilize, with flow-limiting showerheads, fall within the flow rate that a 1.5” drain can handle.
What size PVC is tub drain?
The proper size for both a bathtub drain and trap is 1 1/2 inches in diameter, regardless of the bathtub size. The type of trap used on a tub drain is a p-trap. Because they are the same size, the trap will glue directly onto the PVC drain pipe without the use of adaptors or fittings.
Does a shower drain need a P-trap?
According to regulations, all shower drains are required to have P-traps. This includes all fixtures connected to a building’s main plumbing system. P-traps are curved pipes installed under showers and drains of all kinds. This pipe really is an essential component in your home’s plumbing system.
What size is a shower P-trap?
Trap Size. The usual size for a shower drain trap is 2 inches, which is the diameter of the trap. This size is the minimum size that is allowed, which means that you cannot install a trap with a smaller diameter, or the trap is not within code.
Can a tub and shower share the same drain?
Yes, they will both be using the same drain pipe at somepoint inside or outside of your house. But the the pipes must join well below the level of both items or the pipe must be large enough for the combined flow, otherwise when you put water down one of them, it will flow out of the other!.
Are shower and tub drains the same size?
Shower and tub drains usually have different drain connection sizes to accommodate the various pipe sizes of your home’s plumbing drain system. A shower tub drain generally has a 2-inch drain connection, while a tub drain frequently has a 1 1/2-inch drain connection.
Are all bathtub drain threads the same?
One of the most confusing and annoying plumbing problems is replacing the bathtub drain (called a plug) that screws into the base (called a shoe). There are two common thread types (16 and 11 1/2 Threads Per Inch), and one uncommon one (14 TPI).
What size is tub drain?
With a bathtub, the drain will be 1.5 inches in diameter. The drains for sinks can vary slightly, but the most common measurement for those is 1.25 inches. You might also find sinks with a drain diameter of 1.625 inches.
Does a tub drain need AP trap?
P-traps are S-shaped pipe components that keep toxic sewer gases from escaping into your residence. They are required on all plumbing fixtures, including sinks, tubs and showers. A bathtub trap begins at the end of the tub drain assembly, where it is glued onto a fitting screwed to the drain outlet.
How do I measure my bathtub drain?
Measure from the piping section where it branches out toward the drain over to the drain hole and write that horizontal distance measurement down. That will give you the length and width that is needed for your drain. Your local hardware or home improvement store should carry a bathtub drain that fits your needs.
How far can P-trap be from shower drain?
The maximum distance between the shower drain and the P-trap is 5 feet. However, the P-trap should be as close to the shower drain inlet as possible. You should even have the P-trap directly under the shower drain for the best results.
How far below drain should P-trap be?
However, the Universal Plumbing Code stipulates that the total developed length of all tailpieces, arms and fittings connecting the drain to the p-trap must be 24 inches or less. Jennifer Roberts has enjoyed writing since 2008.
How much slope does a shower drain need?
In a stall shower, the plumbing code requires the floor to be sloped one quarter (1/4) of an inch per foot in order to carry the water effectively to the drain. This slope, according to the TCNA Handbook is called “sloped fill” or commonly known as the pre-slope.
How close does a vent need to be to a shower drain?
According to the UPC, the distance between your trap and the vent should be no more than 6 feet. In other words, for the vent to work properly, it needs to feed into the drain line within 6 feet of the trapways that connect to it.
