Dielectric Union Leaking

Leak at dielectric union.

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. One example of a gasketed union is a thread by thread dielectric union used on gas systems. 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.

Their experience is that simply tightening th union fitting is not a durable repair. Pennstate university s experts have noted dielectric union fittings may be leak prone. Under no circumstances will proclaimliberty2000 be responsible or liable in any way for any content including but not limited to any errors or. I decided on the d.

You have lived a very sheltered life my friend. When i started it was code to install dielectric unions everywhere in houses where copper connects to steel. Unions rather than 3 4 copper female so as it would be easier to take out if. 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. The psu plant engineering services department recommends replacement of a dielectric union with a dielectric nipple shown below. Hello tomorrow will be day 2 in my venture to change out a water heater. Screw on the galvanized half of the dielectric union and tighten it using a wrench.