Watts 4522SB User Manual
For Residential and Commercial Applications
C
US
ES-QC-45Elbows
Job Name
Job Location
Engineer
Approval
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Series 45
Brass Quick-Connect Union
Elbows
Sizes: 1⁄2", 3⁄4" (15, 20mm)
Watts Series 45 Quick-Connect elbows 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 patented (7,354,079 B2) 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
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Contractor’s P.O. No.
Representative
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4517B
4522B 4522SB
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4518B
Approvals
4517RB 4521B
ASSE 1061-2006, NSF/ANSI 14, NSF/ANSI 61,
CSA B137.5, ASTM F877
Notes
Ratings
80psi @ 240°F (5.2 bar @ 116°C)
250psi @ 75°F (17.3 bar @ 24°C)
Drop Ear Elbow – Type 21 CTS X FPT
FITTING SIZE WEIGHT
in. mm in. mm in. mm in. mm in. mm in. mm in. mm lbs. kgs.
4521B-10081⁄2 15 17⁄8 48 11⁄16 28 11⁄2 37 11⁄2 379⁄16 15 113⁄16 46 .37 .17
4521B-14123⁄4 20 23⁄16 55 13⁄8 35 111⁄16 43 115⁄16 503⁄4 19 115⁄16 49 .58 .26
D
E
ABC DEF
A
B
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.
F
C
Pipe Insertion
Depth
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
Union Elbow – Type 17 CTS X CTS
FITTING SIZE WEIGHT
in. mm in. mm in. mm in. mm lbs. kgs.
4517B-101⁄2 15 17⁄8 48 11⁄16 28 11⁄2 37 .30 .14
4517B-143⁄4 20 23⁄16 55 13⁄8 35 111⁄16 43 .50 .23
4517B-18 1 25 27⁄16 62 15⁄8 42 13⁄4 45 .80 .36
ABC
A
Both Ends
C
Pipe Insertion Depth
Both Ends
Collet
B – Both Ends
Collet Cover
Stackable Elbow – Type 18 CTS x OD
FITTING SIZE WEIGHT
in. mm in. mm in. mm in. mm in. mm lbs. kgs.
ABCD
4518B-101⁄2 15 17⁄8 48 11⁄16 28 11⁄2 37 17⁄8 48 .29 .13
4518B-143⁄4 20 23⁄16 55 13⁄8 35 111⁄16 43 25⁄16 58 .57 .26
4518B-18 1 25 11⁄2 37 15⁄8 42 13⁄4 45 29⁄16 65 .72 .33
Union Elbow 45º – Type 22 CTS X CTS
FITTING SIZE WEIGHT
in. mm in. mm in. mm in. mm lbs. kgs.
ABC
4522B-101⁄2 15 15⁄8 42 11⁄16 28 11⁄2 37 .24 .11
4522B-143⁄4 20 115⁄16 49 13⁄8 35 111⁄16 43 .43 .20
4522B-18 1 25 21⁄16 52 15⁄8 42 13⁄4 45 .58 .26
Stackable Elbow 45º – Type 22S CTS x OD
FITTING SIZE WEIGHT
in. mm in. mm in. mm in. mm in. mm lbs. kgs.
4522SB-101⁄2 15 15⁄8 42 11⁄16 28 11⁄2 37 17⁄8 48 .24 .11
4522SB-143⁄4 20 115⁄16 49 13⁄8 35 111⁄16 43 25⁄16 58 .46 .21
4522SB-18 1 25 2 51 15⁄8 42 13⁄4 45 29⁄16 65 .58 .26
ABCD
B
Pipe Insertion
C
A
B
A
Depth
A
C
Pipe Insertion
Depth
C
Pipe Insertion Depth
Both Ends
B
D
Reducing Union Elbow – Type 17R CTS X CTS
FITTING SIZE WEIGHT
in, mm in. mm in. mm in. mm in. mm in. mm in. mm lbs. kgs.
4517RB-14103⁄4 x 1⁄2 20 x 15 21⁄4 57 115⁄16 49 13⁄8 36 11⁄16 28 111⁄16 43 11⁄2 37 .43 .20
4517RB-1814 1 x 3⁄4 25 x 20 27⁄16 62 25⁄16 59 15⁄8 42 13⁄8 35 13⁄4 45 111⁄16 43 .69 .31
Quick-Connect Plumbing Solutions
AA1BB1CC1
USA: 815 Chestnut St., No. Andover, MA 01845-6098; www.watts.com
Canada: 5435 North Service Rd., Burlington, ONT. L7L 5H7; www.wattscanada.ca
C*
A
B
B1
C1*
A1
* Pipe Insertion Depth
ES-QC-45Elbows 0807 © Watts, 2008
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