Dielectric Union Leaking

Things earlier today were going just peachy put in a full port ball valve sweated the joints and tightened down the nut on the dielectric unions.

Dielectric union leaking.

I am a licensed plumber for 20 plus years. Pennstate university s experts have noted dielectric union fittings may be leak prone. Every single union fails miserably by either leaking clogging up completely rusting to pieces with no water contact outside pipe or depositing rust in water. If so it has a rubber washer inside and may be leaking because the washer is cracked or worn.

One example of a gasketed union is a thread by thread dielectric union used on gas systems. Unions rather than 3 4 copper female so as it would be easier to take out if. I decided on the d. The psu plant engineering services department recommends replacement of a dielectric union with a dielectric nipple shown below.

You have lived a very sheltered life my friend. Leak at dielectric union. If the union is joining copper and galvanized steel pipes it should be a dielectric union. 3 slide the union nut onto the 3 4 inch copper pipe that you are going to connect to the heater with its threads.

In addition all flanged unions used on larger pipe sizes are gasketed. When i started it was code to install dielectric unions everywhere in houses where copper connects to steel. Hello tomorrow will be day 2 in my venture to change out a water heater. Under no circumstances will proclaimliberty2000 be responsible or liable in any way for any content including but not limited to any errors or.