Tips / Tricks for getting threaded pipe to seal?

Daox · 10-26-16, 09:28 AM

I was helping out my father in law install an on demand water heater last night. The heater has 1/2" threaded pipe fittings coming out of it. So, we ran to the store and grabbed all the stuff we needed (valves, fittings, etc) and came back and installed it. We pressurized it and had a few leaks. So we removed it, tightened them up as much as we thought safe and reinstalled it. Still leaking. We used teflon tape on every joint and I'd say nearly half of them leaked. This seems ridiculous.

So, what tips do you guys have for getting threaded pipe connections not to leak?

10-26-16, 09:28 AM	#1
Daox Administrator Join Date: Aug 2008 Location: Germantown, WI Posts: 5,525 Thanks: 1,162 Thanked 374 Times in 305 Posts	Tips / Tricks for getting threaded pipe to seal? I was helping out my father in law install an on demand water heater last night. The heater has 1/2" threaded pipe fittings coming out of it. So, we ran to the store and grabbed all the stuff we needed (valves, fittings, etc) and came back and installed it. We pressurized it and had a few leaks. So we removed it, tightened them up as much as we thought safe and reinstalled it. Still leaking. We used teflon tape on every joint and I'd say nearly half of them leaked. This seems ridiculous. So, what tips do you guys have for getting threaded pipe connections not to leak? __________________ Current project - To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts. To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts. & To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts.