Watts LF3100M3 4 Lead-Free Washer / O-Ring, Sweat

The Watts LF3100M3 4 is a lead-free Sweat washer / o-ring. This model is certified lead-free for potable-water installations.

This 4 inch lead free dielectric flange pipe fitting is designed for commercial and residential applications to prevent accelerated corrosion and deterioration in the piping system due to galvanic and stray current from connections of dissimilar metals. Ideal in applications such as hot water storage tanks, water and air conditioners, processing tanks, steam, gas, and water piping. It consists of an iron pipe thread to copper solder joint flange tailpiece with an EPDM gasket and hardware. The maximum temperature is rated up to 300 degrees F (149 degrees C). The maximum pressure is rated at 50 psi (3.4 bar).

Features

• EPDM gasket
• Maximum pressure is 50 psi (3.4 bar)
• Maximum temperature 300 degrees F (149 degrees C)
• Iron pipe thread to copper solder joint connections

Common Questions

How does it join the pipe?

It is a Sweat fitting.

Why use a dielectric fitting here?

It electrically isolates dissimilar metals, which stops the galvanic corrosion you get joining copper straight to steel.

Specifications

• Size: 4"
• Inlet Size: 4"
• Outlet Size: 4"
• Connection: Sweat
• Application: Gas
• Country of Origin: China
• Warranty: 1 Year Limited
• MPN: LF3100M3 4
• Lead-Free: Yes
• Fitting Type: Washer / O-Ring
• Connection System: Sweat
• Dielectric Isolation: Yes