Watts LF3002 User Manual
For Residential and Commercial Applications
ES-LF3002
Job Name
Job Location
Engineer
Approval
LEAD FREE
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Series LF3002
Dielectric Unions
Sizes: 1⁄2" x 3⁄8" — 1" x 3⁄4"
(15 x 10mm — 25 x 20mm)
Series LF3002 dielectric unions feature a female iron pipe
thread to reduced solder connection. These unions are
designed to be installed between pipe made from dissimilar
metals to prevent accelerated corrosion and deterioration in the
piping system due to galvanic and stray current. The LF3002
features Lead Free* construction to comply with Lead Free*
installation requirements.
Features
• Female iron pipe thread to reduced solder connection
• Designed and manufactured to the highest quality standards
• Individually factory certified to withstand a minimum of 600
volts on a dry line with no flashover
• Rated to 180°F (82°C) at 250psi (17.2 bar)
Contractor
Approval
Contractor’s P.O. No.
Representative
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LF3002
Standards
Meet federal specifications for tensile strength and thread end
connections
Pressure — Temperature
Maximum Pressure: 250psi (17.2 bar)
Maximum Temperature: 180°F (82°C)
Specifications
A dielectric union shall be installed where indicated on the
plans. The union shall feature a female iron pipe thread to
reduced solder connection. The dielectric union shall be constructed using Lead Free* materials. Lead Free* dielectric
unions shall comply with state codes and standards, where
applicable, requiring reduced lead content. The dielectric union
shall be a Watts Series LF3002.
B
A
Materials — Dimensions — Weights
Size MATeRiALS DiMeNSiONS WeiGHT
in. mm in. mm in. mm oz. gm.
1
⁄2 x 3⁄8 15 x 10 Lead Free Brass Steel Steel Polysulfone Buna-N 11⁄2 38
3
⁄4 x 1⁄2 20 x 15 Lead Free Brass Steel Steel Polysulfone Buna-N 15⁄8 41
1 x 3⁄4 25 x 20 Lead Free Brass Steel Steel Polysulfone Buna-N 27⁄8 48
† Steel adapter and nut are zinc plated
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.
TAIL PIECE ADAPTER † NUT † INSULATOR GASKET A B
17⁄8 48 5.8 164
17⁄8 48 7.2 204
21⁄2 64 10.1 286
*The wetted surface of this product contacted by consumable water
contains less than 0.25% of lead by weight.
USA: Tel: (978) 688-1811 • Fax: (978) 794-1848 • www.watts.com
Canada: Tel: (905) 332-4090 • Fax: (905) 332-7068 • www.watts.ca
ES-LF3002 1405 © 2014 Watts
A Watts Water Technologies Company
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