Water Heater User Manual
 2 
HUBBELL ELECTRIC HEATER COMPANY 
P.O. BOX 288 
STRATFORD, CT 06615 
PHONE: (203) 378-2659 
FAX: (203) 378-3593 
INTERNET: http://www.hubbellheaters.com/ 
-- IMPORTANT -- 
Always reference the full model number and serial number when calling the factory. 
WARNING / CAUTION 
1.  Tank is to be completely filled with water and all air is to be vented before energizing. 
2.  Due to the rigors of transportation, all connections should be checked for tightness before heater 
is placed in operation. 
3.  Safety relief valve must be installed in tapping provided. 
4.  KEEP AWAY FROM LIVE ELECTRICAL CIRCUITS. 
Do not perform any maintenance, make any adjustments, or replace any components inside the 
control panel with the high voltage power supply turned on. Under certain circumstances, 
dangerous potentials may exist even when the power supply is off. To avoid casualties, always 
turn the power supply safety switch to off, turn the charge or ground the circuit before 
performing any maintenance or adjustment procedure. 
5.  Generalized instructions and procedures cannot anticipate all situations. For this reason, only 
qualified installers should perform the installation. A qualified installer is a person who has 
licensed training and a working knowledge of the applicable codes regulation, tools, equipment, 
and methods necessary for safe installation of a steam fired water heater. If questions regarding 
installation arise, check with your local plumbing and electrical inspectors for proper 
procedures and codes. If you cannot obtain the required information, contact the company. 










