主权项 |
1. A dam assembly defining an axial direction for positioning around a fitting in a water heater, the dam assembly comprising:
a hollow extension extending along the axial direction and defining a first end, a second end, and an effective length, the hollow extension comprising
a body portion positioned at the first end;a frangible section positioned at the second end; anda detachment band extending along the axial direction between the body portion and the frangible section, the frangible section configured for removal from the body portion along the detachment band, wherein removal of the frangible section from the body portion reduces the effective length of the hollow extension. |