Water Heater Water Heater Brochure

MULTI-UNITS
Hot Water to Fixtures
Gas
Supply
Hot Water
Return
Cold Water
Supply
Expansion
Tank
P-1
1. Tank circulation pump, P-1, should be controlled by tank aquastat, T-1.
2. Tank aquastat, T-1, should be set 20°F below water heater set temperature.
3. Pump P-1 should be sized to provide flow necessary to heat the storage tank.
Refer to the water heater’s spec sheet for pressure drop curves.
Multiple Unit with Storage
T-2P-2
T-1
All application diagrams shown are concept drawings only. These diagrams are only to be used as basic guides. It is up to the application designer to properly design the
plumbing layout and correctly size all components within an application (pumps, piping, storage tanks, water heaters, etc.). All national and local codes must be followed and will
dictate proper compliance.
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