Isotemp SFD00023AA 7 bar Pressure Relief Safety ValveThis is an OEM replacement Isotemp Pressure Relief Safety Valve designed for the Isotemp Slim and Basic Marine Water Heaters. Rated at 7 Bar (about 100 PSI), this safety valve is constructed to automatically release pressure in the event that the internal pressure of the water heater reaches levels that could compromise the integrity of the system. By doing so, it safeguards against potential malfunctions and hazards, ensuring the longevity and performance of your Isotemp Marine Water Heater.Compatible with:Slim US 115v: 601521S000003, 602021S000003, 602521S000003Slim European 230v: 601531S000003, 602031S000003, 602531S000003Basic US 115v: 602421B000003, 603023B000003, 604021B000003, 604023BD00003, 605021B000003, 607521B000003Basic European 230v: 602431B000003, 603031B000003, 604031B000003, 604031BD00003, 605031B000003, 607531B000003Caution:Never replace the safety valve with one of a different pres