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Installation Manual
Bosch Tronic TR4000C Electric Tankless Water Heaters- BTC 722203301 A (08.2022)
8 Installation Checklist
Water Heater Location Yes No
Close to area of heated water demand?
Indoors and protected from freezing temperatures?
Area free of fl ammable vapors / combustibles?
Provisions made to protect area from water damage?
Suffi cient room to service heater?
Relief Valve Yes No
Pressure Relief Valve properly installed and discharge line run to open drain?
Discharge line protected from freezing?
Wiring Yes No
Power supply voltage agrees with water heater rating plate?
Branch circuit wire and circuit breakers of proper size?
Electrical connections tight and unit properly grounded?
Water Supply Yes No
Water heater completely fi lled with water BEFORE operating the unit?
Air purged from water heater and piping?
Water connections tight and free of leaks?
Table 6
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