Dielectric Union Leaking

I have never seen a gasketed union.

Dielectric union leaking.

If so it has a rubber washer inside and may be leaking because the washer is cracked or worn. The psu plant engineering services department recommends replacement of a dielectric union with a dielectric nipple shown below. Screw on the galvanized half of the dielectric union and tighten it using a wrench. I am a licensed plumber for 20 plus years.

Their experience is that simply tightening th union fitting is not a durable repair. Hello tomorrow will be day 2 in my venture to change out a water heater. 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.

If the union is joining copper and galvanized steel pipes it should be a dielectric union. When i started it was code to install dielectric unions everywhere in houses where copper connects to steel. I decided on the d. Under no circumstances will proclaimliberty2000 be responsible or liable in any way for any content including but not limited to any errors or.

Leak at dielectric union. 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. You have lived a very sheltered life my friend. In addition all flanged unions used on larger pipe sizes are gasketed.