ONE OR TWO TEMPERATURE–
ONE HEATER MEDIUM TEMPERATURE
STORAGE WITH OR WITHOUT
RECIRCULATION
GAS FIRED TANK TYPE BTC-120 THRU BTC-500 BTP-139 THRU BTP-700
CAUTION:
IF BUILDING COLD WATER SUPPLY HAS A BACKFLOW PREVENTER, CHECK VALVE OR WATER METER WITH CHECK VALVE, PROVISIONS FOR THERMAL EXPANSION OF WATER IN THE HOT WATER SYSTEM MUST BE PROVIDED.
INSERT A
INSTALL THERMAL EXPANSION TANK ON COLD WATER SUPPLY LINE, IF CHECK VALVE OR PRESSURE REDUCING VALVE IS USED IN SUPPLY.
HEATER WITH OR WITHOUT MIXING VALVE
HEATER WITH MIXING VALVE AND RECIRCULATED LOOP
WIRING DIAGRAM FOR EACH WATER LOOP (IF USED)
LINE
INSTALL IN ACCORDANCE WITH LOCAL CODES.
* PIPE RELIEF VALVE TO OPEN DRAIN. = AVAILABLE FROM A. O. SMITH.
A 112.0 | © A. O. Smith Corp. 1997 | Printed in the U.S.A. |
