RectorSeal No. 5 25790 Pipe Thread Sealant, Lubricates & Protects Threads, Soft Setting, Slow Drying, & Permits Easy Breakout and Contains No Other Metals, 1.75 oz

I’m going to have to put in a water heater and this is my favorite for such use. I left my other tube at another house, and I’m really not going back for it.

This was my first time using this product. It does exactly what it is supposed to do and works very well. Very easy to use. Great product in my opinion and great value. I highly recommend this product not only for professionals but also for DIYers such as myself! The sealant quality is top notch.

When working with water pipes, put a few wraps of Teflon tape, then smother with this sealant. No leaks for 30+ years. Great for outdoor faucets as well

This seems to work really well I had to install a gas line and I was reluctant to just use the tape so I added this as well and no leaks. The bottle is a little smaller than I had expected but it’s a great amount and I’ll never use it up.

I have used this pipe seal and so far it is working really well on a Barbecue Conversion

Used this to fix my air compressor. The 3-port one way valve on the 50 gallon tank had failed, seized in place, brass into steel tank. Really tore up the threads removing it, had to re-tap it with a Chinese tapered tap in the steel bung. All that said, the "new" threads were not great - really rough. This Rectorseal product filled in the imperfections and sealed perfectly. Tank has been holding 95 psi for 24 hours so far. I did apply to both the inside threads on the steel AND the threads on the brass, but it worked and helped me save a >$300 compressor. AND I have plenty left for other uses. I think I will use this in places I normally would have used Teflon tape.

My well pressure tank started showing signs that it was failing. The well pump would cycle frequently, build up a lot of pressure and then drop quickly. I didn't want to burn out the pump or create a water line leak. I purchased the same Well-X-Trol unit, a Boshart tee kit and associated fittings and reducers. I initially only used the typical white Teflon tape around the threads. I did this even seeing that the old fittings had sealant around them. Sure enough, I encountered some small leaks. All but one sealed themselves over time. The leak that remained was at the tank and tee junction. It wasn't a gross leak, so I figured I would get to it when I had time. As it turns out, a pinhole leak in the copper piping forced me down that road. I had shut all the water off and the next morning the entire pressure tank was empty. So along with fixing the water line leak, I opted to redo all the fittings and connections on the pressure tank and tee. I searched plumbing forums, and it was recommended to use a better tape and/or a sealant. There is much debate as to whether to use one or both, but I opted to use both. I used Megatape and Rector Seal # 5 the second time around. I wrapped the tape around the threads in such a manner that it was always in the clockwise orientation when being screwed into a fitting. This orientation helps to ensure the tape doesn't unravel as fittings are being mated. I went around at least four times for most fittings, the exception being at the tank and tee junction, which I wrapped five to six times. I made sure the tape was fairly tight around the threads as it was being applied, went over it a couple times with my fingers and then added Rector Seal # 5 over the tape. The sealant filled in the thread groove nicely even served as a lubricant during installation. This allowed me to at least get one to two full turns on each fitting. Long story short, the second time around worked. In the future, I will follow the same procedure on any plumbing job that has similar fittings.

This comes in so handy, works on Any Thing!!

Worked great at fixing a leaking fuel line on my backpacking stove.

Excellent product - much better at sealing gas fittings than Yellow tape. Easy to use and the perfect seal on pipe threads for Propane, Natural gas etc.

Utiliser sur des tuyaux à gaz propane

I needed to seal a gas line in our house after a fitting change and I won't cut corners where my family's safety is concerned . Ordered it up, used it as directed, tested for leaks and all was good! there's not much more I could tell you about it other than it effectively sealed the pipe joint where it counts! Recommended!

This product works great, tried others but water leaked! Buy it!