![Thick All Brass Water Supply Water Pipes Pressure Reducing Valve Hot Water Purifier Household With Gauge Dn15/20/25/32/40/50 - Valves - AliExpress Thick All Brass Water Supply Water Pipes Pressure Reducing Valve Hot Water Purifier Household With Gauge Dn15/20/25/32/40/50 - Valves - AliExpress](https://ae01.alicdn.com/kf/HTB1ktaGPpXXXXX3XXXXq6xXFXXXC/Thick-All-brass-Water-supply-Water-pipes-Pressure-reducing-valve-Hot-water-purifier-Household-with-gauge.jpg)
Thick All Brass Water Supply Water Pipes Pressure Reducing Valve Hot Water Purifier Household With Gauge Dn15/20/25/32/40/50 - Valves - AliExpress
![Amazon.com: DN25 Brass Relief Valve Adjustable Water Pressure Reducing Regulator Reducer+Gauge Meter : Industrial & Scientific Amazon.com: DN25 Brass Relief Valve Adjustable Water Pressure Reducing Regulator Reducer+Gauge Meter : Industrial & Scientific](https://m.media-amazon.com/images/I/612WiLdpCSL.jpg)
Amazon.com: DN25 Brass Relief Valve Adjustable Water Pressure Reducing Regulator Reducer+Gauge Meter : Industrial & Scientific
![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?width=640&crop=smart&auto=webp&s=fae0a48b64ca731cac8b9d8160582fb2c4743545)
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
![Watts In-Line Water Pressure Reducing Valve, 3/4 in. Female, Brass, Lead Free 0009478 - The Home Depot Watts In-Line Water Pressure Reducing Valve, 3/4 in. Female, Brass, Lead Free 0009478 - The Home Depot](https://images.thdstatic.com/productImages/1dbf9199-bd71-5491-977c-163f38e6188e/svn/watts-water-pressure-regulators-0009478-fa_600.jpg)
Watts In-Line Water Pressure Reducing Valve, 3/4 in. Female, Brass, Lead Free 0009478 - The Home Depot
![TMOK DN15 PN16 Nickle Plated High Precision Water Pressure Reducing Valve Relief Valve For Water Line TMOK DN15 PN16 Nickle Plated High Precision Water Pressure Reducing Valve Relief Valve For Water Line](https://m.oujiavalve.com/photo/pc141087317-tmok_dn15_pn16_nickle_plated_high_precision_water_pressure_reducing_valve_relief_valve_for_water_line_plumbing.jpg)
TMOK DN15 PN16 Nickle Plated High Precision Water Pressure Reducing Valve Relief Valve For Water Line
![Watts Water Technologies 3/4 in. NPT Female Union x NPT Female Lead Free Water Pressure Reducing Valve 09279 - The Home Depot Watts Water Technologies 3/4 in. NPT Female Union x NPT Female Lead Free Water Pressure Reducing Valve 09279 - The Home Depot](https://images.thdstatic.com/productImages/91e70f60-0f3a-5ac1-94a1-1f281c0d306f/svn/watts-water-technologies-pressure-relief-valves-09279-64_600.jpg)
Watts Water Technologies 3/4 in. NPT Female Union x NPT Female Lead Free Water Pressure Reducing Valve 09279 - The Home Depot
![Amazon.com: Trisinger 150Psi Lead-Free Pressure Relief Valve with 3/4-Inch Pipe Thread, Brass Pressure Reducing Valve for Water Heater : Industrial & Scientific Amazon.com: Trisinger 150Psi Lead-Free Pressure Relief Valve with 3/4-Inch Pipe Thread, Brass Pressure Reducing Valve for Water Heater : Industrial & Scientific](https://m.media-amazon.com/images/I/51cWvqORR+L._AC_UF894,1000_QL80_.jpg)
Amazon.com: Trisinger 150Psi Lead-Free Pressure Relief Valve with 3/4-Inch Pipe Thread, Brass Pressure Reducing Valve for Water Heater : Industrial & Scientific
![plumbing - Why does pressure relief valve state 'Not for Use with Water Heaters'? - Home Improvement Stack Exchange plumbing - Why does pressure relief valve state 'Not for Use with Water Heaters'? - Home Improvement Stack Exchange](https://i.stack.imgur.com/fzpRo.jpg)