Dielectric Union Leaking

I decided on the d.

Dielectric union leaking.

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. Leak at dielectric union. Screw on the galvanized half of the dielectric union and tighten it using a wrench. I am a licensed plumber for 20 plus years.

3 slide the union nut onto the 3 4 inch copper pipe that you are going to connect to the heater with its threads. Unions rather than 3 4 copper female so as it would be easier to take out if. If the union is joining copper and galvanized steel pipes it should be a dielectric union. The psu plant engineering services department recommends replacement of a dielectric union with a dielectric nipple shown below.

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. In addition all flanged unions used on larger pipe sizes are gasketed. I have never seen a gasketed union. If so it has a rubber washer inside and may be leaking because the washer is cracked or worn.

Under no circumstances will proclaimliberty2000 be responsible or liable in any way for any content including but not limited to any errors or. You have lived a very sheltered life my friend. Pennstate university s experts have noted dielectric union fittings may be leak prone. One example of a gasketed union is a thread by thread dielectric union used on gas systems.