Correct location of pressure relief valve of Smith water heater

The pressure reducing valve is located at the bottom of the water heater, that is, near the water pipe, and is closely connected with the position of the drain valve. You can see red and blue. There is a pressure relief valve nearby, which is usually closed and needs manual pressure relief. Now it is automatic, and it will automatically release pressure when the pressure reaches the limit. This can balance the pressure of the water heater liner and protect the liner. How to use the pressure relief valve of Smith water heater: First, close the water source valve and power supply valve. Open the red and blue valves of the water heater to drain water. Close the blue valve after draining, and then enter the water. Exhaust red gas. When the water comes out, make sure that it is full and can be used normally. Maintenance of water heater: Before using the water heater, be sure to read the instructions carefully and use and maintain the water heater according to the instructions and precautions indicated on the nameplate. There should be no illegal operation. Always check the whole piping system from the air source to the water heater, and coat the pipes and joints with soapy water foam to ensure no air leakage. There should be safe space around the water heater. Don't seal it in the cupboard. Don't put flammable materials on or around it. Do not block towels and rags on the air inlet and outlet of the water heater to prevent fire.