|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||137/360 ; 251/148 ; 251/368 ; 285/3827|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 10 인용 특허 : 0|
A plumbing installation is provided which includes an outlet box, at least one water supply pipe extending into the box and a torque inhibiting connection between the pipe and a boiler drain valve positioned in the interior of the box. A compression nut is screwed over a male threaded lower shank of the boiler drain valve to compress a ferrule around the upper end of the water supply pipe. A male threaded cylindrical adapter is connected to, and extends downwardly from, the compression nut through a water supply hole in a bottom wall of the outlet box. T...
A plumbing installation, comprising: an outlet box having an outwardly opening interior and a horizontally extending bottom wall with a water supply hole extending therethrough; a water supply pipe made of CPVC having an upper end extending through the water supply hole in the bottom of the outlet box; a boiler drain valve positioned in the interior of the outlet box and having a male straight threaded lower shank in which the upper end of the water supply pipe is seated and a handwheel which may be manually rotated to turn the valve ON and OFF; and mean...