Cartridge underbody attachment

A cartridge underbody attachment comprising:

• a cartridge seat including a backplate having a plurality of apertures, a raised sleeve along outer edge of said backplate, and a threaded rim encircling said sleeve;
• a manifold fixedly attached to rear surface of said backplate;
• a plurality of inlet and outlet tubes fixedly attached within said manifold, said tubes in fluid communication with said plurality of apertures in said backplate;
• and
• an aperture defined in rear surface of said backplate for receiving a pin.

A single control faucet comprising:

• a sprayhead assembly;
• a spout body including a vertically extending body having top and bottom openings and a sideways extending port, said port comprising an internal ledge and internal notch;
• a tubular spout having a top end and a bottom end, said top end releasably connected to said sprayhead assembly and said bottom end releasably connected to said top opening of said spout body;
• an escutcheon connected to bottom opening of said spout body;
• a valve cartridge;
• a cartridge attachment including a cartridge seat comprising a backplate having a plurality of apertures, a raised sleeve along outer edge of said backplate, and a rim encircling said sleeve, said rim comprising male threads;
• a manifold fixedly attached to rear surface of said backplate;
• a plurality of inlet and outlet tubes fixedly attached within said manifold, said tubes in fluid communication with said plurality of apertures in said backplate;
• and an aperture defined in rear surface of said backplate for receiving a pin;
• a cartridge support housing including a threaded sleeve, said sleeve having an exterior collar to engage ledge of said port;
• and
• a retainer nut to secure said valve cartridge, spout body, cartridge attachment, and cartridge support housing together.

A method of manufacturing a faucet having a generally tubular spout body with vertically-oriented central section formed with a side-open port therein, comprising the steps of:

• mounting a cartridge seat inside said tubular spout, said cartridge seat having a manifold connected to a plurality of tubes, and a backplate for coupling a valve cartridge to said manifold, further comprising the substep of:
• engaging a circular notch and ledge formed on said backplate with a notch formed along edge of said port;
• and
• coupling a valve cartridge to the backplate of said cartridge seat such that said valve cartridge protrudes outward from said port in a non-vertical orientation with regard to said spout body.