Name,Solar Energy Inner Install Mixing Valve Specification,21-8 Material,Brass Surface,Polishing and chormed Pressure rating,0.8Mpa(International Standard,0.6Mpa) Lifetime Test,cartridge 500,000 times Universal size,DN15(1/2 Threaded Connection) 35mm cartridge Suitable Medium,Water,Air Package,Color Box Property,This product adapts to all kinds of Solar energy water-heating and electric water-heating.Sealing element of cartridge is made of 99 industrial ceramic dry pressure,with anti-high temperature,antri-corruption,anti-abrasion,sealing well and so many merits.Valve body is made of 59 copper,high density,no trachoma, durable.Single-handle operates easily and elasticly,saving water and adjusting temperature.Hand-adding water saves pipe and valve and it is installed easily and with the function of preventing refluence. Spare parts are universal and easy to disassemble, It is easy to be mended. With foaming filter to let the voice down and flow smoothly Use and Maintenance switch up the handle to water outlet position turning left is hot water3. turning right is cold water 4. Middle position acts as mixer of cold and hot water 5. Rotating handle up 180 degrees is adding water when handle is in the middle position. 6. Rotating handle down 180 degrees is closed when the water tank is full. 7. Please do not use force to operate handle,and avoid damage and effecting use lifetime as well 8. Please usually or regularly use cleaner to erase dirt,please wash faucet surface with clean water before erasing,then wipe it with soften cotton,plus gently erase it with neutral cleanser,keep its surface clean.Please do not use any cleanser with abrasion function,hard cloth,napkin,,ball basket,or any acid,rough cleaner or soap to erase the surface of faucet. Repair Method,1.Operating Tools, flat tip screw driver,monkey wrench 2.Leak in the outlet of water,take cold and hot sign as starting point,discharge and push out cartridge to exchange according to the order of the belowed picture. 3.Leak in connect ,Pls dismantle connect joint according to the picture ,then exchange sealing cushion and tighten the connect .