DRAIN HEADER AND DRAIN SYSTEM

摘要

PROBLEM TO BE SOLVED: To provide a drain header and a drain system suitable for draining drainage from sanitary equipment including a toilet bowl through small diameter lateral branch pipes for drainage to collect the drainage into the drain header. SOLUTION: The lateral branch pipe for drainage connected to the toilet bowl is connected into the drain header on the downstream side of other lateral branch pipes for drainage. Each lateral branch pipe for drainage is connected to the drain header at a position lower than the center of axis of the drain header. The drain header is provided with a means for sucking the drainage in the lateral branch pipe drainage into the drainage header.