#400 Needed

#800 Needed

#848 Needed

#8000 Needed

Tubing
or Pipe

Single Pass

Recirculate
or Booster

Single Pass
 

Recirculate
or Booster

Single Pass
 

Recirculate
 

Single Pass
or Recirculate

1/8"

1

1

3/16"

1

1

1/4"

1

1

5/16"

1

1

3/8"

2

1

7/16"

2

1

1/2"

3

2 (1 for tubing)

2

1

5/8"

2

1

3/4"

2

1

1"

2 (Tubing only)

1 (Tubing only)

2

1

1-1/4"

2

2

1-1/2"

4

2

2"

4

2" - 4"

2

5" - 6"

3

8"

6