1.Has double protection function, 2.Temperature relief:(60-99C) 3.CEand ISO9001cetificate. 4.100percent ... , water heater of fuel, water heater of heat pump,sensitive function heater, etc.2.Standard setting:75,87,100,125,150psi ... /4R3/4*Rp3/3428329100222100,000 AKE forged brass water heater valve