Dielectric Union Leaking

The psu plant engineering services department recommends replacement of a dielectric union with a dielectric nipple shown below.

Dielectric union leaking.

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. If the union is joining copper and galvanized steel pipes it should be a dielectric union.

Their experience is that simply tightening th union fitting is not a durable repair. Unions rather than 3 4 copper female so as it would be easier to take out if. 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. You have lived a very sheltered life my friend.

Under no circumstances will proclaimliberty2000 be responsible or liable in any way for any content including but not limited to any errors or. 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. I have never seen a gasketed union. Hello tomorrow will be day 2 in my venture to change out a water heater.

3 slide the union nut onto the 3 4 inch copper pipe that you are going to connect to the heater with its threads. Pennstate university s experts have noted dielectric union fittings may be leak prone. When i started it was code to install dielectric unions everywhere in houses where copper connects to steel. If so it has a rubber washer inside and may be leaking because the washer is cracked or worn.