Bradford-White Corp B4 - page 13

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BRADFORD WHITE
Page 12
Copper Brute B4 Volume Water Heaters Page 13
Conventional
Tank
Heater
To
Drain
Drain
24-inch
Min.
Service
Valves
Cold
Water
Hot Water
to Building
Hot Water
Return from
Building
Check
Valve
Bldg.
Loop
Circ.
Pump
Hot Water
Return from
Building
Throttling
Valve
Check
Valve
Bldg.
Loop
Circ.
Pump
Cold
Water
Conventional
Tank
To
Drain
Hot Water
to Building
Optional Cold WaterSupply
WhenAdequate Tank Opening
NotAvailable
Heater
Pump
To
Drain
Service
Valves
Figure 22. Hot water supply with horizontal tank.
Note:
Heavy line indicates heater-to-tank circulation loop.
Figure 21. Hot water supply with vertical tank.