Patent Number: 6,305,081

Title: Installing and servicing an HVAC system

Abstract: A valve in valve assembly. The assembly comprises a housing having an internal passage, a valve body in the housing and movably operable to control process fluid flow through the passage, and a chamber in the valve body. The chamber is open to the passage at a first chamber end. A valve core in the chamber controls service fluid flow the chamber.

Inventors: Beaver; Danny D. (Tyler, TX)

Assignee: American Standard International Inc.

International Classification: F16K 15/18 (20060101); F16K 1/00 (20060101); F25B 41/00 (20060101); F16K 1/04 (20060101); F16K 15/00 (20060101); B21K 001/20 ()

Expiration Date: 10/23/2018