What is a drain primer?

By Amelia Brooks β€”

What is a drain primer?

Trap primers are used in plumbing systems to prevent floor drain traps from losing their water seal by evaporation. Maintaining the water seal will prevent the backflow of sewer gas into the buildings or rooms where the traps are installed.

How do you seal a basement drain?

To seal the drain, you can simply cap it off with a plumbing cap or fill the pipe with mortar or something similar. It is important to keep in mind when sealing any drainage in your home, that you or someone else in the future may want to regain access to that drain.

How does a floor drain trap primer work?

A trap primer connects to a cold water inlet or other water supply. Every time that inlet or supply is used, a small amount of water flows down to the trap to keep the water seal from drying up. If the primer is electronic, it is set on a timer that daily releases enough water to maintain the trap seal.

πŸ‘‰ For more insights, check out this resource.

Do basement floor drains have traps?

The floor drain is considered a sanitary fixture. That means it functions just like a toilet or sink or shower. It has a trap inside of it just as those items do, and it holds water to seal away any foul odors trying to get into your basement.

πŸ‘‰ Discover more in this in-depth guide.

Are floor drains vented?

907.2 Floor drain vents. No vents will be required for piping serving floor drains when the floor drain is located not more than 15 feet (4572 mm) from the vented line to which it connects. 908.1 Individual vent as common vent.

What do floor drains and primer lines do?

Floor Drains and Primer Lines – What is this?? Have you ever just been casually looking around in your basement, typically around your furnace area, and thought: what is this? Well the β€œwhat is this?” is infact a priming line for your floor drain.

What kind of drain do I need for my basement?

3. Floor Drains. Floor drains are most often installed during original construction, often in the utility area, to drain away excess water in the basement. The concrete floor around the drain gently slopes towards it, encouraging water to collect there and drain out.

Where does the primer go in a trap seal faucet?

Whenever the valves, hot or cold, are opened, water flowing in the body of the faucet runs through the primer tube. On older houses (60s and 70s) the tube was copper and is routed through the cement floor slab and enters the floor drain pipe through the side of the vertical drain, just above the trap seal water level.

Where does the water go in a basement drain trap?

Those pipes run down the outside of the foundation wall, underneath the basement floor and empty into the basement floor drains above the traps. They add water to the traps every time it rains. Unfortunately, they also add leaves, twigs and other debris from the gutters.

What kind of primer do you need for a drain trap?

Another type of trap primer can flow water from the potable water system to multiple floor drains/traps. This type of trap primer consists of an automatic timer, electric solenoid valve, vacuum breaker, and a piping manifold with valved outlets, which are each piped to a floor drain trap.

Floor Drains and Primer Lines – What is this?? Have you ever just been casually looking around in your basement, typically around your furnace area, and thought: what is this? Well the β€œwhat is this?” is infact a priming line for your floor drain.

3. Floor Drains. Floor drains are most often installed during original construction, often in the utility area, to drain away excess water in the basement. The concrete floor around the drain gently slopes towards it, encouraging water to collect there and drain out.

Whenever the valves, hot or cold, are opened, water flowing in the body of the faucet runs through the primer tube. On older houses (60s and 70s) the tube was copper and is routed through the cement floor slab and enters the floor drain pipe through the side of the vertical drain, just above the trap seal water level.