Hot water using system and relay device used therein

Abstract

Provided are a hot water using system and a relay device used therein. The hot water using system includes: a hot water server that is one example of hot water using equipment; a relay device that communicates with the hot water server and communicates with a management server via a communication network, the relay device having a communication setting switch (operation switches) that is placed outdoor and is operated when communication setting for communicating with the communication network is performed; and a switching part that is provided separately from the relay device and switches an operation through the communication setting switch between activation and inactivation.

Dependencies are inferred from the claim text.