Watts 4531B User Manual
For Residential and Commercial Applications
ES-QC-45Tees
Job Name
Job Location
Engineer
Approval
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Series 45
Brass Quick-Connect Tees
Sizes: 1⁄2" x 1⁄2" x 1⁄2" — 1" x 1" x 1"
(15 x 15 x 15 — 25 x 25 x 25mm)
Watts Series 45 Quick-Connect fittings are designed and manufactured for many years of trouble free service. Series 45 fittings are manufactured from brass and incorporate the proven
Watts Quick-Connect patent pending O-ring and Collet design
which allows for quick and easy connections without the use
of installation or disconnection tools.
Specifications
Connection shall be made using Watts Series 45 Brass
Quick-Connect fittings with Integral Collet and O-ring guide.
Fitting shall be able to fully rotate under pressure and allow
for easy disconnect and reuse without tools.
Contractor
Approval
Contractor’s P.O. No.
Representative
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4523B
Approvals
ASSE 1061-2006, NSF/ANSI 14, NSF/ANSI 61
CSA B137.5, ASTM F877
CUS
Ratings
80psi @ 240°F (5.2 bar @ 116°C)
250psi @ 75°F (17.3 bar @ 24°C)
Notes
For compliance to ASSE 1061 a pipe insert (provided) must
be used with each connection when joining PEX pipe.
A collet cover is provided for each CTS connection and is
intended to prevent accidental disconnection of fitting during
pull-through installations while the system is unpressurized.
To disconnect the fitting, manually remove the collet cover
and depress the collet.
4524RB
4526RB
4531B
Watts product specifications in U.S. customary units and metric are approximate and are provided for reference only. For precise measurements,
please contact Watts Technical Service. Watts reserves the right to change or modify product design, construction, specifications, or materials without prior notice and without incurring any obligation to make such changes and modifications on Watts products previously or subsequently sold.
Dimensions
Tees – Type 23, 24, 26 CTS x CTS x CTS and Type 31 CTS x CTS x FIP
FITTING CONNECTION SIZE WEIGHT
A B B1 B2 C C1 C2 D
Union Tees (1) (2) (3) (1) (2) (3) in. mm in. mm in. mm in. mm in. mm in. mm in. mm in. mm lbs. kgs.
4523B-10
4523B-14
4523B-18 1" x 1" x 1" 25 x 25 x 25 27⁄16 62 15⁄8 42 15⁄8 42 15⁄8 42 13⁄4 45 13⁄4 45 13⁄4 45 413⁄16 122 .94 .43
Reducing Tees
4524RB-141410 3⁄4" x 3⁄4" x 1⁄2" 20 x 20 x 15 2 51 13⁄8 35 13⁄8 35 11⁄16 28 111⁄16 43 111⁄16 43 11⁄2 37 45⁄16 110 .71 .32
4524RB-181814 1" x 1" x 3⁄4" 25 x 25 x 20 27⁄16 62 15⁄8 42 15⁄8 42 13⁄8 35 13⁄4 45 13⁄4 45 111⁄16 43 413⁄16 122 .98 .44
4524RB-141014 3⁄4" x 1⁄2" x 3⁄4" 20 x 15 x 20 23⁄16 55 13⁄8 35 11⁄16 28 13⁄8 28 111⁄16 43 11⁄2 37 111⁄16 43 43⁄16 106 .70 .31
4524RB-181418 1" x 3⁄4" x 1" 25 x 20 x 25 27⁄16 62 15⁄8 42 13⁄8 35 15⁄8 42 13⁄4 45 111⁄16 43 13⁄4 45 413⁄16 122 .97 .43
Double Reducing Tees
4526RB-141010 3⁄4" x 1⁄2" x 1⁄2" 20 x 15 x 15 2 51 13⁄8 35 11⁄16 28 11⁄16 28 111⁄16 43 11⁄2 37 11⁄2 37 43⁄16 106 .74 .34
4526RB-181414 1" x 3⁄4" x 3⁄4" 25 x 20 x 20 27⁄16 62 15⁄8 42 13⁄8 35 13⁄8 35 13⁄4 45 111⁄16 43 111⁄16 43 413⁄16 122 1 .45
FIP Tees
4531B-141416 3⁄4" x 3⁄4" x 1" 20 x 20 x 1" FIP 17⁄8 48 13⁄8 35 13⁄8 35 – 111⁄16 43 111⁄16 43 – 45⁄16 110 .71 .32
4531B-181816 1" x 1" x 1" 25 x 25 x 1" FIP 23⁄8 61 15⁄8 42 13⁄8 42 – 13⁄4 45 13⁄4 45 – 413⁄16 123 .94 .43
1
⁄2" x 1⁄2" x 1⁄2" 15 x 15 x 15 17⁄8 48 11⁄16 28 11⁄16 28 11⁄16 28 11⁄2 37 11⁄2 37 11⁄2 37 313⁄16 96 .44 .20
3
⁄4" x 3⁄4" x 3⁄4" 20 x 20 x 20 23⁄16 55 13⁄8 35 13⁄8 35 13⁄8 35 111⁄16 43 111⁄16 43 111⁄16 43 45⁄16 110 .68 .31
B2
(3)
C2
Pipe Insertion Depth
A
B
(1)
B1
(2)
Pipe Insertion Depth
C
D
C1
Pipe Insertion Depth
A Watts Water Technologies Company
Canada: 5435 North Service Rd., Burlington, ONT. L7L 5H7; www.wattscanada.ca
USA: 815 Chestnut St., No. Andover, MA 01845-6098; www.watts.com
ES-QC-45Tees 0917 ©2009 Watts
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