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ONE TEMPERATURE - ONE HEATER HORIZONTAL STORAGE TANK
FORCED CIRCULATION WITH OR WITHOUT BUILDING RECIRCULATION
DANGER
TEMPERATURE SETTING SHOULD NOT EXCEED
SAFE TEMPERATURE AT FIXTURES. SEE WATER
TEMPERATURE CONTROL WARNING ON PAGE
4. IF HIGHER PREHEAT TEMPERATURES ARE
NECESSARY TO OBTAIN ADEQUATE BOOSTER
OUTPUT, ADD AN ANTI-SCALD VALVE FOR HOT
WATER SUPPLIED TO FIXTURES.
*PIPE TO OPEN DRAIN
INSTALL IN ACCORDANCE
WITH LOCAL CODES
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
NOTE: CONNECT RETURN
LINE FROM HOT WATER
CIRCULATING LOOP (IF USED)
TO COLD WATER INLET LINE.
* PIPE TO OPEN DRAIN
INSTALL IN ACCORDANCE
WITH LOCAL CODES
INSTALLATION DIAGRAMS
ONE TEMPERATURE - ONE HEATER VERTICAL STORAGE TANK FORCED CIRCULATION
WITH OR WITHOUT BUILDING RECIRCULATION
CAUTION: IF THE PLUMBING
REQUIRES THE USE OF PIPES
WITH DISSIMILAR MATERIAL (FOR
EXAMPLE, STEEL AND COPPER),
USE DIELECTRIC UNIONS TO
PREVENT AN ELECTRO-GALVANIC
ACTION BETWEEN THE PIPING
COMPONENTS WITH DISSIMILAR
MATERIALS.
CAUTION: IF THE PLUMBING
REQUIRES THE USE OF PIPES
WITH DISSIMILAR MATERIAL (FOR
EXAMPLE, STEEL AND COPPER),
USE DIELECTRIC UNIONS TO
PREVENT AN ELECTRO-
GALVANIC ACTION BETWEEN
THE PIPING COMPONENTS WITH
DISSIMILAR MATERIALS.