Manifold Kits - A.O. Smith 650A, 740A Installation & Operation Manual

TWO UNIT MANIFOLD KIT

MANIFOLD KITS

PART NO. 195702
Precision cut type "L" all copper A. O. Smith manifold kits assure
water flow balance of all units. Without this balance, the full
water heating and storage potential of the system cannot be
achieved. Plus, the units with the higher water flow may have a
shortened life. Unions shown in piping diagrams are not
included in the manifold kits.
Dimensions shown are for minimum space occupied by the
water heaters assemblies.
Space for the barometric draft control assemblies, combustion
clearances and servicing must be added.
WARNING
FAILURE TO PROPERLY MANIFOLD MULTIPLE WATER
HEATERS AND PROVIDE ADEQUATE STORAGE CAPACITY IN
ACCORDANCE WITH PROPER SIZING TECHNIQUES CAN RESULT
IN IMPROPER OPERATION AND POSSIBLE FIRE RESULTING IN
PROPERTY DAMAGE, PERSONAL INJURY OR DEATH.
HEATERS SHOULD BE MANIFOLDED IN PARALLEL FOR
UNIFORM HYDRONIC LOADING PER THE DIAGRAMS SHOWN
IN THIS MANUAL.
THREE UNIT MANIFOLD KIT
PART NO. 195703
FOUR UNIT MANIFOLD KIT
PART NO. 195704
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