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Caleffi
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Hydronics
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Hydronic Valves
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Tempering and Thermostatic Mixing Valves
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Stocked Items
In Stock
Nominal Size
3/4 in (4)
1-1/4 in (2)
1/2 in (1)
1 in (2)
Flow Rate
45 gpm (1)
9 gpm (1)
1.3 gpm (3)
Dimensions
8-1/2 in H (1)
5-9/16 in H (1)
5-5/8 in H x 4-1/2 in W (1)
5-13/16 in H x 5 in W (1)
7-3/8 in H (1)
7 in H (1)
6-7/16 in H x 6-1/8 in W (1)
Series
519 (2)
521 (6)
5321 (1)
Actuator Type
Control Knob (2)
Media
Water/Glycol (6)
Softgoods Material
EPDM Seal (7)
EPDM O-Ring Seal (2)
Pressure Rating
150 psi (2)
200 psi (7)
Inlet to Outlet Length
5-7/8 in (1)
5-5/8 in (1)
5 in (1)
6-3/4 in (1)
Type
3-Way Adjustable (3)
By-Pass (2)
Adjustable 3-Way (3)
High-Flow (1)
Body Material
Brass (9)
Temperature Rating
85 to 150 deg F (6)
32 to 230 deg F (2)
95 to 150 deg F (1)
Flow Capacity
1 gpm (3)
4.4 gpm (1)
End Style
C (6)
Press (2)
FNPT x C (1)
Top to Inlet Center
2-5/8 in (1)
2-9/16 in (2)
3-3/8 in (1)
Trim Material
Stainless Steel (6)
Tempering and Thermostatic Mixing Valves
11
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Caleffi
1-1/2 press union mixing valve
Part #
523186A
MFG #
523186A
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Caleffi
3-way Mix Vlv W/adapt & Temp Gauge
Part #
521519A
Nominal Size
3/4 in
Series
521
Media
Water/Glycol
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Caleffi
Diff Bypass Vlv 3/4in Swt
Part #
519599A
Nominal Size
3/4 in
Flow Rate
9 gpm
Dimensions
5-9/16 in H
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Caleffi
Diff Bypass Vlv1-1/4 Swt
Part #
519709A
Nominal Size
1-1/4 in
Flow Rate
45 gpm
Dimensions
7-3/8 in H
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Caleffi
Therm Mix Vlv ASSE 1017 1-1/4in Press
Part #
523176A
MFG #
523176A
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Caleffi
Thermo Mix Vlv 1/2in Swt/union 85-150
Part #
521409
Nominal Size
1/2 in
Flow Rate
1.3 gpm
Dimensions
5-5/8 in H x 4-1/2 in W
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Caleffi
Thermo Mix Vlv 1in Press With Gauge
Part #
521616A
Nominal Size
1 in
Series
521
Media
Water/Glycol
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Caleffi
Thermo Mix Vlv 1in Swt/union 85-150
Part #
521609
Nominal Size
1 in
Flow Rate
1.3 gpm
Dimensions
6-7/16 in H x 6-1/8 in W
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Caleffi
Thermo Mix Vlv 3/4in Press With Gauge
Part #
521516A
Nominal Size
3/4 in
Dimensions
8-1/2 in H
Series
521
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Caleffi
Thermo Mix Vlv 3/4in Swt/union 85-150
Part #
521509
Nominal Size
3/4 in
Flow Rate
1.3 gpm
Dimensions
5-13/16 in H x 5 in W
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Caleffi
Thermo Mix Vlv1-1/4in Swt/union Adj
Part #
523178A
Nominal Size
1-1/4 in
Dimensions
7 in H
Series
5321
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Caleffi
1-1/2 press union mixing valve
Part #
523186A
MFG #
523186A
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Compare
Caleffi
3-way Mix Vlv W/adapt & Temp Gauge
Part #
521519A
Nominal Size
3/4 in
Series
521
Media
Water/Glycol
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Compare
Caleffi
Diff Bypass Vlv 3/4in Swt
Part #
519599A
Nominal Size
3/4 in
Flow Rate
9 gpm
Dimensions
5-9/16 in H
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Caleffi
Diff Bypass Vlv1-1/4 Swt
Part #
519709A
Nominal Size
1-1/4 in
Flow Rate
45 gpm
Dimensions
7-3/8 in H
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Caleffi
Therm Mix Vlv ASSE 1017 1-1/4in Press
Part #
523176A
MFG #
523176A
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Caleffi
Thermo Mix Vlv 1/2in Swt/union 85-150
Part #
521409
Nominal Size
1/2 in
Flow Rate
1.3 gpm
Dimensions
5-5/8 in H x 4-1/2 in W
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Caleffi
Thermo Mix Vlv 1in Press With Gauge
Part #
521616A
Nominal Size
1 in
Series
521
Media
Water/Glycol
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Caleffi
Thermo Mix Vlv 1in Swt/union 85-150
Part #
521609
Nominal Size
1 in
Flow Rate
1.3 gpm
Dimensions
6-7/16 in H x 6-1/8 in W
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Caleffi
Thermo Mix Vlv 3/4in Press With Gauge
Part #
521516A
Nominal Size
3/4 in
Dimensions
8-1/2 in H
Series
521
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Compare
Caleffi
Thermo Mix Vlv 3/4in Swt/union 85-150
Part #
521509
Nominal Size
3/4 in
Flow Rate
1.3 gpm
Dimensions
5-13/16 in H x 5 in W
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Compare
Caleffi
Thermo Mix Vlv1-1/4in Swt/union Adj
Part #
523178A
Nominal Size
1-1/4 in
Dimensions
7 in H
Series
5321
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