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 brass.
For technical drawings and 3 d models click on a part.
Difference between dielectric union and brass basics.
Zurn wilkins 2 1 2 x 2 1 2 in.
It is installed between pipes made from dissimilar metal.
Female threaded dielectric union.
Dielectric flanges are installed between pipes made from dissimilar metals to help prevent accelerated deterioration and corrosion.
The manufacturer s rep say they don t care between brass and di electric unions.
I would like to utilize best practice here but i don t know which is better between the two.
Each includes a union nut 2 tailpieces and a gasket.
The fittings are stainless mail nipples at the water heater indirect loop going to the copper piping to from the boiler.
Female threaded dielectric union.
Watts series lf301 1 1 2 in.
Union adapters for galvanized steel threaded pipe join copper tubing to galvanized threaded connections on hot water heaters.
Copper tube size is the accepted designation of the copper tubing industry not the actual tube od.
We connect copper to steel using dielectric unions typically.
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.
Unions separate into three pieces for easy access to your line.
They are ideal for use in air and water conditioners hot water storage tanks processing tanks and steam gas and water piping.
I work for a commercial hvac company.
Using brass or bronze fittings for a dielectric break 2005.
However the chicago plumber installing the stainless steel and brass pipes and fittings needs to pay attention to which types of stainless steel he or she is using.
I am wondering if using a brass and or cast bronze fitting or valve can effectively prevent electrolysis from happening.
An elastomeric rubber gasket seals the connection between the two metals preventing any water leakage of sort.
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.
To order call 800 769 0503.
We offer dielectric unions in a range of configurations sizes and materials.
Stainless steel plumbing pipes and brass plumbing pipes within the same system stainless steel pipes and brass pipes and fittings work together better than stainless steel and copper.
Flanged fip brass dielectric union.
