A.O. Smith SBD 30 150 Medium Temperature - One Heater With Auxiliary Storage Tank Forced, Danger

MEDIUM TEMPERATURE - ONE HEATER WITH AUXILIARY STORAGE TANK FORCED

CIRCULATION WITH OR WITHOUT BUILDING RECIRCULATION

VERTICAL STORAGE TANK

* PIPE RELIEF VALVE TO OPEN DRAIN.
**WHEN USING AN A.O. SMITH T-140, -200,
-350 OR -400 STORAGE TANK, USE
LOWER 3/4” OPENING FOR TANK
TEMPERATURE CONTROL.
IF BUILDING CIRCULATING LOOP IS USED,
CONNECT TO AN OPENING NEAR THE
BOTTOM OF THE TANK.	HORIZONTAL STORAGE TANK

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.

*PIPE RELIEF VALVE TO OPEN DRAIN

INSTALL IN ACCORDANCE WITH LOCAL CODES.

DANGER

TEMPERATURE SETTING SHOULD NOT EXCEED SAFE USE

TEMPERATURE AT FIXTURES. SEE WATER TEMPERATURE

CONTROL WARNING ON PAGE 20. IF HIGHER PREHEAT

TEMPERATURES ARE NECESSARY TO OBTAIN ADEQUATE

BOOSTER OUTPUT, ADD AN ANTI-SCALD VALVE FOR HOT

WATER SUPPLIED TO FIXTURES.

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