Product Overview

Taco Inc., 1160 Cranston Street, Cranston, RI 02920 / [phone] / Fax [phone]
Taco (Canada) Ltd., 8450 Lawson Road, Unit #3, Milton, Ontario L9T 0J8 / [phone] / Fax [phone]
www.taco-hvac.com
Application:
The 5120 Series Mixing Valve is designed to control water temperatures
for both point of use and point of distribution installations wherever
ASSE1070 or ASSE 1017 mixing valves are required. The valves design
and advanced thermostatic element ensures a stable mixed water
temperature throughout the valves adjustable range.
Features
< .25% lead
Dual Listed for ASSE 1017 and 1070
UPC Certified
Suitable for use in Potable Water
Union and NPT Options non-union NPT is
ASSE 1017 only
Sweat, NPT, Pex and
CPVC Union Connections
Check Valves Included (Except non-union
versions)
No Routine Maintenance Required
Lockable Max. Temperature Setting
Outlet Temperature Strip
Optional Dial Gauge and Adaptor
Performance
Cv: 1.8
Max. Flow: 14GPM (54 L/min)
1
1
Flow should never exceed
standards for pipe size
Min. Flow: 1GPM (3.8 L/min)
1
Hot Supply Temperature:
120-180˚F (49-82˚C)
Cold Supply Temperature:
39-80°F (5-27°C)
Max. Inlet Pressure:
200 psi (13.8 Bar)
Max. Variation in Supply Pressure: 20%
Min. Temperature Differential
Between Hot Supply and Mixed:
27°F (15˚C)
Outlet Temperature Range:
85-120˚F (29-49˚C)
Factory set to: 115-120˚F (41-45˚C)
Accuracy of Outlet
Temperature: ( + ) 3˚ F
Materials
Body: Forged Brass
Internal Components:
< .25% lead Brass, Noryl GFN2
Seals: Viton
Spring: Stainless Steel
Piston: Polysulfone
Fittings: Varies (Brass, CPVC, Copper)
Gaskets: EPDM
Temperature Gauge: Stainless Steel
Gauge Fitting: Brass
Approvals/Listings
ASSE 1017 , ASSE 1070
cUPC
CSA125.3
A
B
C
Taco
Model
Description
A
Height
B
Lower Height
C
Width
In. mm In.
mm
In.
mm
5120-2 BODY ONLY* 3.8 96.52 1.9 48.3 3.3 83.8
5122-B2 1/2” UNION CPVC 5.8 147.3 3.7 94.0 7.1 180.3
5122-C2 1/2” UNION SWEAT 4.8 121.9 2.7 68.6 4.8 121.9
5122-P2 1/2” UNION PEX 5.0 128.5 2.9 73.7 5.4 137.2
5122-T2 1/2” UNION NPT 5.3 134.6 3.2 81.3 5.8 147.3
5123-B2 3/4” UNION CPVC 5.8 147.3 3.7 94.0 7.1 180.3
5123-C2 3/4” UNION SWEAT 5.0 127.0 2.9 73.7 5.4 137.2
5123-N2 3/4” NPT FEMALE 4.3 109.2 2.2 55.9 3.0 76.2
5123-P2 3/4” UNION PEX 5.1 129.5 2.9 73.7 5.4 137.2
5123-T2 3/4” UNION NPT 5.5 139.7 3.4 86.4 6.3 160.0
5124-C2 1” UNION SWEAT 6.1 154.9 4.0 101.6 5.4 137.2
5124-P2 1” UNION PEX 5.2 132.1 3.1 78.7 5.8
147.3
5120 Series Mixing Valve Dimensions
1.45 (37)
2.9 (73)
1.3 (33)
Dimensions for reference only
For models with a gauge add -G to the end
of the model number. This will change the
total valve height.
*Does not include connections
Mixing
Valve
Gasket
Union
Nut
Gasket
Well for
Temperature
Gauge
Temperature
Gauge
Range: 32-210˚F
(0 - 100˚C)
1" BSP
ISO 228-1
Size G1
Union
Tail Piece
1" BSP
ISO 228-1
Size G1
Handled xtures Handleless xtures
Submittal Data # 101-147 Eective: 04/29/15
Supersedes: 03/13/14
Submittal Data Information
5120 Series Lead-Free Mixing Valve
NSF
®
≤ .25% Lead
Meets California AB 1953
and Vermont Act 193