Watts 3521B User Manual
For Residential and Commercial Applications
ES-QC-35Elbows
Job Name
Job Location
Engineer
Approval
LEAD FREE
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*
Series 35
Quick-Connect
Elbows
Watts Quick-Connect Elbows are designed and manufactured
for many years of trouble free service. Produced of off white
Polysulfone, a high performance thermal plastic material, the
Watts Quick-Connect design allows for quick and easy connections without the use of installation tools.
Specifications
Connection shall be made using Watts Series 35
Quick-Connect fitting with Integral Collet and O-Ring guide.
Fitting shall be able to fully rotate under pressure and allow for
easy disconnect and reuse without the use of disconnection
tools. Fitting must not disassemble to disconnect.
Contractor
Approval
Contractor’s P.O. No.
Representative
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3512
3518
3519
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3517
3521
3520
Approvals
NSF-61, NSF-14, CSA B137.5, ASTM F877, UPC, ASSE 1061
Ratings
100psi @ 180°F (6.8 bar @ 82°C)
250psi @ 75°F (17.3 bar @ 24°C)
Example
3512-1008
35 = Series 35 12 = Type 12 Stackable Hose Barb Elbow
1008 = 1⁄2" CTS x 1⁄2" Barb
Dimensions – Weights
Weight and Dimensions are approximate (tolerance +/- 1/8)
Type 12 Stackable Hose Barb Elbows
MODEL SizE & CONNECTiON iTEM LENGTH iTEM HEiGHT iTEM WEiGHT
A B
in. mm in. mm lbs. kg.
Package Type: Bulk
3512-1008
Package Type: Poly Bag
3512B-1008
1
⁄2" CTS x 1⁄2"Barb 11⁄2 38 21⁄8 54 0.3 .14
1
⁄2" CTS x 1⁄2"Barb 11⁄2 38 21⁄8 54 0.3 .14
Caution: The polysulfone material used in the Quick-Connect fittings can
be compromised by exposure to volatile organic compounds (VOC’s) and
caustic chemicals. Therefore, DO NOT expose this product to any such
chemical or foreign substance, which would include exposure to the following products: Pipe Dopes (thread sealants), bug sprays, lubricants,
cleaners, paints, bleaches, acids, solder fluxes, plastic piping primers and
cements, oxidizing agents, alkaline solutions, thinners, fuels, oil based
caulks, hydrocarbons, spray foam of foaming agents (insulation).
It is also recommended that all threaded connections be made with
Teflon® tape only.
* The wetted surface of this product contacted by consumable
water contains less than one quarter of one percent (0.25%) of
lead by weight.
B
A
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.
USA: 815 Chestnut St., No. Andover, MA 01845-6098; www.watts.com
Canada: 5435 North Service Rd., Burlington, ONT. L7L 5H7; www.wattscanada.ca
A Watts Water Technologies Company
Dimensions – Weights – Weight and Dimensions are approximate (tolerance +/ - 1/8)
Type 17 Union Elbow
MODEL SizE & CONNECTiON iTEM LENGTH iTEM HEiGHT iTEM WEiGHT
A B
in. mm in. mm lbs. kg.
Package Type: Bulk
3517-08
3517-10
3517-14
3517-18 1" CTS 3 76 11⁄2 38 2.4 1.09
Package Type: Poly Bag
3517B-08
3517B-10
3517B-14
3517B-18 1" CTS 3 76 11⁄2 38 2.4 1.09
Type 18 Stackable Elbows
MODEL SizE & CONNECTiON iTEM LENGTH iTEM HEiGHT iTEM WEiGHT
A B
in. mm in. mm lbs. kg.
Package Type: Bulk
3518-08
3518-10
3518-14
3518-18 1" CTS 3 76 13⁄4 45 1.9 .86
Package Type: Poly Bag
3518B-08
3518B-10
3518B-14
3518B-18 1" CTS 3 76 13⁄4 45 1.9 .86
3
⁄8" CTS 13⁄4 44
1
⁄2" CTS 21⁄8 54 11⁄8 29 1 .45
3
⁄4" CTS 211⁄16 68 13⁄8 35 1.8 .81
3
⁄8" CTS 13⁄4 44
1
⁄2" CTS 21⁄8 54 11⁄8 29 1 .45
3
⁄4" CTS 211⁄16 68 13⁄8 35 1.8 .81
3
⁄8" CTS 13⁄4 44
1
⁄2" CTS 2 51 11⁄8 29 0.7 .32
3
⁄4" CTS 25⁄8 67 13⁄8" 35 0.8 .36
3
⁄8" CTS 13⁄4 44
1
⁄2" CTS 2 51 11⁄8 29 0.7 .32
3
⁄4" CTS 25⁄8 67 13⁄8" 35 0.8 .36
15
⁄16 24 0.6 .27
15
⁄16 24 0.6 .27
15
⁄16 24 0.4 .18
15
⁄16 24 0.4 .18
B
A
B
A
Type 21 Drop Ear Elbows
MODEL SizE & CONNECTiON iTEM LENGTH iTEM HEiGHT iTEM WEiGHT
A B
in. mm in. mm lbs. kg.
Package Type: Bulk
3521-1008
Package Type: Poly Bag
3521B-1008
1
⁄2" CTS x 1⁄2" NPT 21⁄8 54 113⁄16 46 1.1 .50
1
⁄2" CTS x 1⁄2" NPT 21⁄8 54 113⁄16 46 1.1 .50
Type 19 Male Elbow
MODEL SizE & CONNECTiON iTEM LENGTH iTEM HEiGHT iTEM WEiGHT
A B
in. mm in. mm lbs. kg.
Package Type: Bulk
3519-1006
3519-1008
1
⁄2"CTS x 3⁄8"NPT 2 51 11⁄8 29 0.7 .32
1
⁄2" CTS x 1⁄2"NPT 2 51 11⁄8 29 0.7 .32
3519-1816 1" CTS x 1"NPT 23⁄4 70 13⁄4 45 1.9 .86
Package Type: Poly Bag
3519B-1006
3519B-1008
1
⁄2"CTS x 3⁄8"NPT 2 51 11⁄8 29 0.7 .32
1
⁄2" CTS x 1⁄2"NPT 2 51 11⁄8 29 0.7 .32
3519B-1816 1" CTS x 1" NPT 23⁄4 70 13⁄4 45 1.9 .86
Type 20 Female Swivel Elbows
MODEL SizE & CONNECTiON iTEM LENGTH iTEM HEiGHT iTEM WEiGHT
A B
in. mm in. mm lbs. kg.
Package Type: Bulk
3520-0808
3520-0813
3520-1008
3520-1012
3520-1013
3520-1014
Package Type: Poly Bag
3520B-0808
3520B-0813
3520B-1008
3520B-1012
3520B-1013
3520B-1004
3
⁄8" CTS x 1⁄2"NPS 2 51 15⁄8 41 0.7 .32
3
⁄8" CTS x 3⁄4"Closet 2 51 15⁄8 41 0.8 .36
1
⁄2" CTS x 1⁄2"NPS 23⁄16 56 2 51 1 .45
1
⁄2" CTS x 3⁄4"NPS 23⁄16 56 2 51 1.2 .54
1
⁄2" CTS x 3⁄4"Closet 23⁄16 56 2 51 1.1 .50
1
⁄2" CTS x 3⁄4"FGHT 23⁄16 56 2 51 1 .45
3
⁄8" CTS x 1⁄2"NPS 2 51 15⁄8 41 0.7 .32
3
⁄8" CTS x 3⁄4"Closet 2 51 15⁄8 41 0.8 .36
1
⁄2" CTS x 3⁄4"NPS 23⁄16 56 2 51 1 .45
1
⁄2" CTS x 3⁄4"NPS 23⁄16 56 2 51 1.2 .54
1
⁄2" CTS x 3⁄4"Closet 23⁄16 56 2 51 1.1 .50
1
⁄2" CTS x 3⁄4"FGHT 23⁄16 56 2 51 1 .45
B
A
B
A
B
A
ES-QC-35Elbows 0933 © 2009 Watts
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