This article describes the building code and practical requirements for a dielectric fitting when connecting copper piping to steel pipes or steel fittings such as at the top of a water heater.
Dielectric union stainless steel to copper.
We offer dielectric unions in a range of configurations sizes and materials.
A dielectric class 3000 union with a dielectric coated a105 carbon steel tailpiece that is 3 4 female npt with a 304 stainless 1 2 male npt threadpiece teflon o ring is coded as follows.
Dielectric flanges are installed between pipes made from dissimilar metals to help prevent accelerated deterioration and corrosion.
I once inspected a building where the contractor installed stainless steel water mains without installing dielectric unions between the stainless steel and the copper.
Fip x fip series 209ff 2 idx.
We explain the effect of galvanic corrosion at copper to steel pipe connections and we include notes on the recommendation for a jumper wire across dielectric fittings or.
We avoid them like the plague.
Bar stock 150 cast 150 bar stock 1000.
Each includes a union nut 2 tailpieces and a gasket.
It is installed between pipes made from dissimilar metal.
Fip x brass sweat series 209fx 3 idx.
Dielectric unions are used in commercial and residential applications to prevent accelerated corrosion and deterioration in the piping system due to galvanic and stray current.
On the domestic side as pointed out above stainless and copper are fine together.
Mip x brass sweat 209mx 3 idx.
Union adapters for galvanized steel threaded pipe join copper tubing to galvanized threaded connections on hot water heaters.
Home plumbing specialties dielectric unions dielectric unions.
Stainless steel fittings and nipples.
Unions separate into three pieces for easy access to your line.
Schedule 10 stainless steel is also much lighter and easier to install than schedule 40 galvanized steel piping which provides a savings for labor and installation costs.
Mip x copper sweat 210mx.
They are ideal for use in air and water conditioners hot water storage tanks processing tanks and steam gas and water piping.
To order call 800 769 0503.
