Patent ID: 6712027
Filing Date: 2004-03-30
Classification: F24D

Abstract:
A hot water heating system comprising:a first isolator valve; a flow control valve in fluid communication with said first isolator valve; a circulator in fluid communication with said isolator valve and said flow control valve; and a second isolator valve in fluid communication with said first isolator valve, said flow control valve, and said circulator; wherein each of said first isolator valve, said flow control valve, said circular and said second isolator valve comprise an inflow end and an outflow end; wherein each inflow end comprises a first portion of a connector having a first sealing surface and each outflow end comprises a second portion of said connector having a second sealing surface; wherein said first portion of each connector is dimensioned to mate with said second portion of each connector such that a first portion of said connector on one said first isolator valve, said flow control valve, said circular, and said second isolator valve may be mated with said second portion of said connector on an adjoining one of said first isolator valve, said flow control valve, said circulator, and said second isolator valve.