TWO TEMPERATURE - ONE HEATER HIGH TEMPERATURE
WITH OR WITHOUT BUILDING RECIRCULATION
DANGER
TEMPERATURE SETTING SHOULD NOT EXCEED SAFE TEMPERATURE AT FIXTURES. SEE WATER TEMPERATURE CONTROL WARNING ON PAGE 3. IF HIGHER PREHEAT TEMPERATURES ARE NECESSARY TO OBTAIN ADEQUATE BOOSTER OUTPUT, ADD AN
CAUTION: IF BUILDING COLD WATER SUPPLY HAS A
*PIPE RELIEF VALVE TO OPEN DRAIN.
N OTE: I F T E M P E R E D WAT E R I S RECIRCULATED, RETURN LINE SHOULD BE CONNECTED AT POINT “A”.
INSTALL IN ACCORDANCE WITH LOCAL CODES.
CAUTION: If the plumbing requires the use of pipes with dissimilar material (for example, steel and copper), use dielectric unions to preventan
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