User Guide
11
Dimensions
HOT
COL D
MIX
MIN
M
A
X
7
1
2
A
FE
D
B B
C
A
A
HOT
COL D
MIX
MIN
M
A
X
7
1
2
A
FE
D
B B
C
A
A
MIX
E
D
A
30
50
70
90
110
130
150
170
190
210
F
MIX
E
D
A
30
50
70
90
110
130
150
170
190
210
F
Sweat & PEX crimp connections
PEX crimp connections
521407A
1
⁄2" 3
1
⁄4" 6
1
⁄2" 6
1
⁄2" 4" 2
5
⁄8"
521417A**
1
⁄2" 3
1
⁄4" 6
1
⁄2" 6
1
⁄2" 4" 2
5
⁄8"
521407AC
1
⁄2" 3
1
⁄4" 6
1
⁄2" 6
1
⁄2" 4" 2
5
⁄8"
521417AC**
1
⁄2" 3
1
⁄4" 6
1
⁄2" 8
3
⁄4" 6
1
⁄8" 2
5
⁄8"
521507A
3
⁄4" 3
1
⁄4" 6
1
⁄2" 6
1
⁄2" 4" 2
5
⁄8"
521517A**
3
⁄4" 3
1
⁄4" 6
1
⁄2" 6
1
⁄2" 4" 2
5
⁄8"
521507AC
3
⁄4" 3
1
⁄4" 6
1
⁄2" 6
1
⁄2" 4" 2
5
⁄8"
521517AC**
3
⁄4" 3
1
⁄4" 6
1
⁄2" 8
3
⁄4" 6
1
⁄8" 2
5
⁄8"
521607A 1" 3
1
⁄4" 6
1
⁄2" 6
1
⁄2" 4" 2
5
⁄8"
521617A** 1" 3
1
⁄4" 6
1
⁄2" 6
1
⁄2" 4" 2
5
⁄8"
521607AC 1" 3
1
⁄4" 6
1
⁄2" 6
1
⁄2" 4" 2
5
⁄8"
521617AC** 1" 3
1
⁄4" 6
1
⁄2" 8
3
⁄4" 6
1
⁄8" 2
5
⁄8"
*At minimum temperature position on adjusting knob.
**Model with integral outlet temperature gauge.
Code A B C D* E F
Sweat connections
521409A
1
⁄2" 2
1
⁄4" 4
1
⁄2" 5
5
⁄8" 3
1
⁄8" 2
5
⁄8"
521419A**
1
⁄2" 2
1
⁄4" 4
1
⁄2" 7" 4
1
⁄2" 2
5
⁄8"
521409AC
1
⁄2" 2
7
⁄8" 5
3
⁄4" 5
5
⁄8" 3
1
⁄8" 2
5
⁄8"
521419AC**
1
⁄2" 2
7
⁄8" 5
7
⁄8" 7" 4
1
⁄2" 2
5
⁄8"
521509A
3
⁄4" 2
1
⁄2" 5" 5
13
⁄16" 3
1
⁄4" 2
5
⁄8"
521519A**
3
⁄4" 2
1
⁄2" 5" 7
13
⁄16" 5
1
⁄4" 2
5
⁄8"
521509AC
3
⁄4" 3
1
⁄16" 6
1
⁄8" 5
13
⁄16" 3
1
⁄4" 2
5
⁄8"
521519AC**
3
⁄4" 3
1
⁄16" 6
1
⁄8" 7
13
⁄16" 5
1
⁄4" 2
5
⁄8"
521609A 1" 3
1
⁄16" 6
1
⁄8" 6
7
⁄16" 3
7
⁄8" 2
5
⁄8"
521619A** 1" 3
1
⁄16" 6
1
⁄8" 7
13
⁄16" 5
1
⁄4" 2
5
⁄8"
521609AC 1" 3
1
⁄4" 6
1
⁄2" 6
7
⁄16" 3
7
⁄8" 2
5
⁄8"
521619AC** 1" 3
1
⁄4" 6
1
⁄2" 7
13
⁄16" 5
1
⁄4" 2
5
⁄8"
*At minimum temperature position
on adjusting knob.
**Model with integral outlet
temperature gauge.