Lochinvar 497 - 2067 Domestic water heaters, Installation & Service Manual, Notice, Mixing, Cold

Models: 497 - 2067

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BUILDING

Installation & Service Manual

7 Domestic water heaters

Figure 7-4_Multiple water heater piping with multiple storage tanks

COMMON MANIFOLD SIZE (Min.)

Models: 497 - 747

Number of Units

GPM

Diameter

(in.)

 

 

2

120

3 1/2

 

 

 

3

180

4

 

 

 

4

240

5

5

300

5

 

 

 

6

360

6

 

 

 

7

420

6

8

480

6

 

 

 

BUILDING

HOT

WATER

SUPPLY

RELIEF

VALVE

COMMON MANIFOLD SIZE (Min.)

Models: 987 - 2067

Number of Units

GPM

Diameter

(in.)

 

 

2

180

4

 

 

 

3

270

5

4

360

6

 

 

 

5

450

6

 

 

 

6

540

6

7

630

8

 

 

 

8

720

8

 

 

 

MIXING

COLD

VALVE

WATER

 

SUPPLY

LOCK-TEMP

STORAGE

TANK

DRAIN

MIN 4"

COMMON

MANIFOLD

SIZE

COLD BUILDING RETURN

NOTICE

*Please note that these illustrations are meant to show system piping concept only, the installer is responsible for all equipment and detailing required by local codes.

LOCK-TEMP 52 MIN 4"

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Image 52
Lochinvar 497 - 2067 Domestic water heaters, Installation & Service Manual, Notice, Building Hot Water Supply Relief Valve