Manufacturer: Niikura Kogyo  Co., Ltd
Model: SC-MN

SC-MN Model Size : 2.5 to 20A

Function
This nozzle creates hot water using main parts like the body, nozzle, throat bush, and diffuser. You install it along the liquid-supply pipe. For MN-2.5 and MN-4 models, the body and diffuser combine into a single unit.
This device, a hot-water maker composed of a body, nozzle, throat bush, and diffuser, sits on the pipe where water flows through.
Incidentally, the design of MN-2.5 and 4 combines the body and the diffuser.