![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://i.redd.it/6xkt5qdrlls61.jpg)
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
![A leaking relief valve at the water heater: why it's leaking and what to do about it - Structure Tech Home Inspections A leaking relief valve at the water heater: why it's leaking and what to do about it - Structure Tech Home Inspections](https://structuretech.com/wp-content/uploads/2021/02/Leaking-TP-valve.jpg)
A leaking relief valve at the water heater: why it's leaking and what to do about it - Structure Tech Home Inspections
![HYDRO MASTER Tankless Water Heater Service Valve Kit with Pressure Relief Valve 3/4-Inch IPS Isolator Clean Brass : Amazon.co.uk: DIY & Tools HYDRO MASTER Tankless Water Heater Service Valve Kit with Pressure Relief Valve 3/4-Inch IPS Isolator Clean Brass : Amazon.co.uk: DIY & Tools](https://m.media-amazon.com/images/I/61Scw028lcL._AC_UF894,1000_QL80_.jpg)
HYDRO MASTER Tankless Water Heater Service Valve Kit with Pressure Relief Valve 3/4-Inch IPS Isolator Clean Brass : Amazon.co.uk: DIY & Tools
![Midline Valve GUHW-QSW256 Pressure Relief Valve for Tankless Water Heater, Forged Brass, 3/4 in. FIP x MIP : Amazon.co.uk: DIY & Tools Midline Valve GUHW-QSW256 Pressure Relief Valve for Tankless Water Heater, Forged Brass, 3/4 in. FIP x MIP : Amazon.co.uk: DIY & Tools](https://m.media-amazon.com/images/I/71-yrrqpXCL._AC_UF350,350_QL80_.jpg)
Midline Valve GUHW-QSW256 Pressure Relief Valve for Tankless Water Heater, Forged Brass, 3/4 in. FIP x MIP : Amazon.co.uk: DIY & Tools
![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)