Final answer:
Standpipe Installation Height for clothes washers typically must have a height of about 18 to 30 inches above the trap to ensure proper drainage and prevent overflow or siphoning, as per plumbing codes.
Step-by-step explanation:
The student's question relates to the proper installation height for a standpipe for a clothes washer. In plumbing, there are specific standards regarding the height of a standpipe above the trap to ensure proper drainage and to prevent overflow or siphoning.
Standpipes for clothes washers typically must have a height of about 18 to 30 inches above the trap to ensure proper drainage and prevent overflow or siphoning, as per plumbing codes.
This is regulated by plumbing codes which might differ slightly depending on the jurisdiction, but generally, a standpipe should have a minimum height that is typically around 18 to 30 inches above the trap. The standpipes are part of the building's plumbing system designed to carry water away from fixtures and prevent sewage gases from entering the home through the drainage system.