10
ONE TEMPERATURE ONE HEATER VERTICAL STORAGE TANK
FORCED CIRCULATION WITHOUT BUILDING RECIRCULATION
TWO TEMPERATURE WITH MIXING VALVE
AND CIRCULATING LOOP
INSERT B
VACUUM RELIEF
VALVE. INSTALL PER
LOCAL CODES.
TWO TEMPERATURE WITH MIXING VALVE
CAUTION: IF BUILDING COLD WATER SUPPLY HAS A BACK-FLOW
PREVENTER, CHECK VALVE OR WATER METER WITH CHECK VALVE,
PROVISIONS FOR THERMAL EXPANSION OF WATER IN THE HOT
WATER SYSTEM MUST BE PROVIDED.
*PIPE TO OPEN DRAIN
INSTALL IN ACCORDANCE WITH ALL LOCAL CODES
DANGER
TEMPERATURE SETTING SHOULD NOT EXCEED SAFE
TEMPERATURE AT FIXTURES. SEE WATER TEMPERATURE
CONTROL WARNING ON PAGE 6. IF HIGHER PREHEAT
TEMPERATURES ARE NECESSARY TO OBTAIN ADEQUATE
BOOSTER OUTPUT, ADD AN ANTI-SCALD VALVE FOR HOT
WATER SUPPLIED TO FIXTURES.
Summary of Contents for DRE
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