What is the difference between Type L and M copper?
Type K is the heaviest. Type L is medium weight and used most often for water lines in homes. Type M is thinner and is used underground or for light domestic water lines if local codes allow.
What is the best type of copper?
1. Type K Copper Pipe. Of all copper pipe types, Type K has the thickest walls and is the most durable.
What copper is thicker L or M?
Type L copper is thinner than Type K but thicker than type M. Type M Copper Pipe: Type M copper pipe is thinner than both type K and L copper pipe. Sold in both rigid and flexible forms, Type M is used most commonly for heating water services and vacuum systems.
Which pipe is thicker L or M?
Types L and M are the ideal pipes for supplying water throughout a home. Type L comes with thicker walls than type M. Type L also has a high rating in terms of pressure than type M. Some local plumbing codes only allow the use of type L and don't allow the use of type M in homes.
Which is better Type M or Type L copper?
Type L copper pipe is recommended where you need strength and protection. But for normal “in the wall” household plumbing, Type M copper pipe is just fine. The beefier Type L is often used underground, in hot water heating systems, for commercial plumbing and for gas line (where permitted).
Which is heavier type M or Type L copper?
Type L costs more than type M. Type L with its thicker walls weighs more and requires more copper, thereby costing more to manufacture and also to transport. Copper pipes of the same type and size all have the same outside diameter, which allows them to use the same fittings for connections.