Dielectric Union Leaking

Hello tomorrow will be day 2 in my venture to change out a water heater.

Dielectric union leaking.

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 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.

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. You have lived a very sheltered life my friend. One example of a gasketed union is a thread by thread dielectric union used on gas systems.

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. I am a licensed plumber for 20 plus years. I decided on the d.

3 slide the union nut onto the 3 4 inch copper pipe that you are going to connect to the heater with its threads. Under no circumstances will proclaimliberty2000 be responsible or liable in any way for any content including but not limited to any errors or. Screw on the galvanized half of the dielectric union and tighten it using a wrench. Pennstate university s experts have noted dielectric union fittings may be leak prone.