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Dielectric Union Water Heater
Dielectric Union Water Heater. They claim that the circuit is actually completed through the water, and further claim what is more important is the uniformity of the piping to. 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.

Prevents accelerated corrosion when two different metals are joined. They seem a bit corroded but nothing i can't wipe away. To further the discussion on dielectric unions, there is a technical service bulletin by rheem that says dielectric unions on their water heater is not necessay.
Smith Power Shot So It Is A Very Expensive Job To Replace.
A dielectric union is a plumbing fitting that is meant to join two dissimilar metal pipes so they don’t experience a galvanic reaction and begin to rust. (well, duh.) yeah, but that actually creates a problem. Now with the water heaters all having dielectric nipples these days i am good with just the brass fip adapter.
Note That The Unions Are Not At The Nipples Of The Heater.
Your hot water heater hooks up to your water pipes. What is a dielectric union? They seem a bit corroded but nothing i can't wipe away.
And No Mention Anywhere Of Dielectric Unions.
A union does not mate up with the water heater. To further the discussion on dielectric unions, there is a technical service bulletin by rheem that says dielectric unions on their water heater is not necessay. Dielectric unions are used when laying out the plumbing system of new construction, or when adding fixtures to the plumbing system, such as a new water heater or sink.
Buy Dielectric Unions Online And Get Free Shipping.
See, when you put two different metals together in the presence of an electrolyte (in this case tap water) you get a reaction called galvanic corrosion.there’s a long explanation for why this happens. Both hot and cold water pipes must have this accessory; As for the domestic water you can use male dielectric unions.
You Don't Have To Pay Special Attention To The Water Connections If Your Tank Has Brass Or Copper Connectors, And The Pipes In Your House Are Copper.
This also applies to the gas connection if this is a gas water heater. The best prices on the market for dielectric unions, plumbing supplies, appliance installation, electrical and hvac repair parts. We explain the effect of galvanic corrosion at copper to steel pipe connections and we include notes on the recommendation for a jumper wire.
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