Patent ID: 11873999
Assignee: NIBCO INC.
Field: Thermal processes and apparatus (Mechanical engineering)
Classification: CPC F | IPC F

Claim 11:
12. An expansion tank service assembly, comprising:
a unitary body having a passageway with a first end portion, a second end portion, and a medial portion located between said first end portion of said second end portion, including:
a generally vertical portion with a first port located at said first end portion;
a generally vertical third port located at said second end portion;
a fifth port located within said medial portion; and
a tab with a threaded opening extending from an exterior surface of said medial portion;

a second valve member positioned in the passageway in said second end portion, said second valve member opening said passageway between said medial portion and said third port when said second valve member is in a first position, and said second valve member closing said passageway between said medial portion and said third port when said second valve member is in a second position;
a vacuum breaker coupled to said fifth port;
a threaded stand coupled to said tab; and
a tank coupled to said third port.