EXHAUST STRUCTURE FOR COMBUSTION APPARATUS

摘要

An exhaust structure for combustion apparatus includes an exhaust tube connected to a water heater, an exhaust pipe through which the exhaust tube is introduced, and an exhaust tube fixing member for fixing a position of the exhaust tube relative to the exhaust pipe. The exhaust tube fixing member includes a first fixing portion having a cylindrical shape and fixed to the exhaust tube, and an attaching portion connected to the first fixing portion and attached to the exhaust pipe. The attaching portion have a first cylindrical portion having a first inner diameter D2, and a second cylindrical portion having a second inner diameter D3 smaller than the first inner diameter D2 of the first cylindrical portion.

主权项

1. An exhaust structure for combustion apparatus, comprising an exhaust tube connected to a combustion apparatus, an exhaust pipe through which said exhaust tube is introduced, and an exhaust tube fixing member for fixing a position of said exhaust tube relative to said exhaust pipe,
said exhaust tube fixing member including a fixing portion having a cylindrical shape and fixed to said exhaust tube, and an attaching portion connected to said fixing portion and attached to said exhaust pipe, and said attaching portion including
a first cylindrical portion having a first inner diameter, anda second cylindrical portion having a second inner diameter smaller than said first inner diameter of said first cylindrical portion.