méi rèshuǐ kěnéng hé ránqì, diànyuán, shuǐyā, rèshuǐqì shèzhì yǒuguān

没热水可能和燃气、电源、水压、热水器设置有关。

Lack of hot water may be related to the gas, power supply, water pressure, or water heater settings.