![A water heater pressure relief valve/pipe is guided to release hot water outside of the pan (see picture). Is this installation correct? - Home Improvement Stack Exchange A water heater pressure relief valve/pipe is guided to release hot water outside of the pan (see picture). Is this installation correct? - Home Improvement Stack Exchange](https://i.stack.imgur.com/6i4Ud.jpg)
A water heater pressure relief valve/pipe is guided to release hot water outside of the pan (see picture). Is this installation correct? - Home Improvement Stack Exchange
![plumbing - Why does the overflow pipe on a water heater open to the floor? - Home Improvement Stack Exchange plumbing - Why does the overflow pipe on a water heater open to the floor? - Home Improvement Stack Exchange](https://i.stack.imgur.com/rbpyh.jpg)
plumbing - Why does the overflow pipe on a water heater open to the floor? - Home Improvement Stack Exchange
![Necessity of Vacuum Relief Valve - Not Pressure Relief Valve | Terry Love Plumbing Advice & Remodel DIY & Professional Forum Necessity of Vacuum Relief Valve - Not Pressure Relief Valve | Terry Love Plumbing Advice & Remodel DIY & Professional Forum](https://terrylove.com/images/pb/watts-lfn36-instructions.jpg)
Necessity of Vacuum Relief Valve - Not Pressure Relief Valve | Terry Love Plumbing Advice & Remodel DIY & Professional Forum
![This looks like a pressure relief valve on the cold water line to my water heater. It is leaking outside. I've never seen a relief valve on a cold water line. Why This looks like a pressure relief valve on the cold water line to my water heater. It is leaking outside. I've never seen a relief valve on a cold water line. Why](https://preview.redd.it/6xkt5qdrlls61.jpg?auto=webp&s=a90a1432c82446450262430f38272c9652ffa7e8)
This looks like a pressure relief valve on the cold water line to my water heater. It is leaking outside. I've never seen a relief valve on a cold water line. Why
![Looks like plumber used pex for relief valve. Is that okay? It's also installed into drain pan which I thought was not supposed to be done. : r/Plumbing Looks like plumber used pex for relief valve. Is that okay? It's also installed into drain pan which I thought was not supposed to be done. : r/Plumbing](https://i.redd.it/0hoyna5h3kl81.jpg)
Looks like plumber used pex for relief valve. Is that okay? It's also installed into drain pan which I thought was not supposed to be done. : r/Plumbing
![Amazon.com: Camco 10423 1/2" Temperature and Pressure Relief Valve with 4" Epoxy-Coated Probe : Automotive Amazon.com: Camco 10423 1/2" Temperature and Pressure Relief Valve with 4" Epoxy-Coated Probe : Automotive](https://m.media-amazon.com/images/I/71rp402LrcL.jpg)